PRODUCTS

MONOSODIUM GLUTAMATE

Monosodium glutamate is primarily used as a flavor enhancer throughout the food industry.
Monosodium glutamate is widely incorporated into soups, broths, sauces, gravies, seasoning blends, snack foods, instant noodles, frozen foods, canned products, processed meats, sausages, seafood products, ready meals, and restaurant dishes.
Monosodium glutamate is used in cooking as a flavor enhancer with a savory taste that intensifies the umami flavor of food, as naturally occurring glutamate does in foods such as stews and meat soups.

CAS Number: 142-47-2
EC Number: 205-538-1
E number : E621 (flavour enhancer)
Chemical formula: C5H8NO4Na
Molar mass: 169.111 g/mol (anhydrous), 187.127 g/mol (monohydrate)

SYNONYMS:
Sodium (2S)-2-amino-5-hydroxy-5-oxopentanoate, MSG monohydrate, MONOSODIUM GLUTAMATE, 142-47-2, Ancoma, Chinese seasoning, Monosodium glutamate monohydrate, monosodium l-glutamate monohydrate, L-Glutamic acid sodium salt, Ajinomoto, Glutacyl, Glutavene, Vetsin, Glutamat sodny, Zest, Natriumglutaminat, Glutamate Sodium, Monosodioglutammato, Glutammato monosodico, Accent (food additive), L(+) Sodium glutamate, Glutamate monosodium salt, Sodium hydrogen glutamate, W81N5U6R6U, Natrium L-hydrogenglutamat, Monosodium glutamate anhydrous, FEMA No. 2756, L-Glutamic acid, monosodium salt, RL-50, Glutamic acid, sodium salt, C3C196L9FG, INS NO.621, CHEBI:64243, INS-621, NSC-135529, E-621, MSG Detox, CHEBI:64220, MSG Detox 6999, RefChem:1089838, glutamic acid monosodium salt, ALPHA-MONOSODIUM GLUTAMATE, 205-538-1, B1652, L-Glutamic acid monosodium salt monohydrate, MFCD00150138, Monosodium L-glutamate, SodiuM L-GlutaMate Monohydrate, MSG, Monosodium glutamate (NF), Monosodium glutamate [NF], L-Glutamic acid monosodium salt hydrate, Sodium L-glutamate hydrate (JAN), C5H10NNaO5, L(+)-Monosodium glutamate monohydrate, Ancoma (TN), Glutamic acid, monosodium salt, monohydrate, L-, UNII-W81N5U6R6U, MLS001335935, Monosodium L-glutamate hydrate, SCHEMBL3724891, CHEBI:232425, L-Glutamic acid sodium salt hydrate, AKOS015950651, SMR000875341, L-Glutamic acid monohydrate monosodium salt, D02280, F463576, sodium;(4S)-4-amino-5-hydroxy-5-oxo-pentanoate;hydrate, L-Glutamic acid monosodium salt, Monosodium Glutamate, MSG, Monosodium L-Glutamate, Sodium L-Glutamate, Sodium Glutamate, L-Glutamic Acid Monosodium Salt, Glutamic Acid Monosodium Salt, Sodium Hydrogen Glutamate, Monosodium Glutamate Monohydrate, Monosodium Glutamate Hydrate, E621, Sodium (S)-2-Aminopentanedioate, L-Glutamate Sodium Salt, Glutamate Sodium, Ajinomoto

Monosodium glutamate (MSG), also known as sodium glutamate, is a sodium salt of glutamic acid.
Monosodium glutamate is found naturally in some foods including tomatoes and cheese in this glutamic acid form.
Monosodium glutamate was first prepared in 1908 by Japanese biochemist Kikunae Ikeda, who tried to isolate and duplicate the savory taste of kombu, an edible seaweed used as a broth (dashi) ingredient in Japanese cuisine.

Monosodium glutamate balances, blends, and rounds the perception of other tastes.
Monosodium glutamate, along with disodium ribonucleotides, is commonly used and found in stock (bouillon) cubes, soups, ramen, gravy, stews, condiments, savory snacks, etc.

The U.S. Food and Drug Administration has given Monosodium glutamate its generally recognized as safe (GRAS) designation.
It is a popular misconception that Monosodium glutamate can cause headaches and other feelings of discomfort, known as "Chinese restaurant syndrome".
Several blinded studies show no such effects when MSG is combined with food in normal concentrations, and are inconclusive when Monosodium glutamate is added to broth in large concentrations.

The European Union classifies Monosodium glutamate as a food additive permitted in certain foods and subject to quantitative limits.
Monosodium glutamate has the HS code 2922.42 and the E number E621.
Pure Monosodium glutamate is reported to have a highly unpleasant taste until it is combined with a savory aroma.

The basic sensory function of Monosodium glutamate is attributed to its ability to enhance savory taste-active compounds when added in the proper concentration.
The optimal concentration varies by food; in clear soup, the "pleasure score" rapidly falls with the addition of more than one gram of Monosodium glutamate per 100 mL.

The sodium content (in mass percent) of Monosodium glutamate, 12.28%, is about one-third of that in sodium chloride (39.34%), due to the greater mass of the glutamate counterion, and the remainder, 87.72%, is glutamic acid.
Although other salts of glutamate have been used in low-salt soups, they are less palatable than Monosodium glutamate.
The ribonucleotide food additives disodium inosinate (E631) and disodium guanylate (E627), as well as conventional salt, are usually used with monosodium glutamate-containing ingredients as they seem to have a synergistic effect.

"Super salt" is a mixture of 9 parts salt, to one part Monosodium glutamate and 0.1 parts disodium ribonucleotides (a mixture of disodium inosinate and disodium guanylate).
Monosodium glutamate appears as white or off-white crystalline powder with a slight peptone-like odor.
Monosodium glutamate, also called MSG, is used to make food taste better.

Glutamate is a form of the amino acid glutamic acid.
Both are naturally in food such as cheese, tomatoes, mushrooms and meat.
Glutamate is not related to gluten.

Monosodium glutamate does not have a characteristic flavour.
Adding Monosodium glutamate excess amounts does not further improve a food’s overall flavour.
For this reason, food manufacturers or consumers should use the smallest amount needed to enhance the flavour.

Popular as a seasoning and flavor enhancer, MSG, or monosodium glutamate, is the purest form of umami, the fifth taste.
Monosodium glutamate is widely used to intensify and enhance taste and flavors in sauces, broths, soups and many more foods.
Monosodium glutamate can also be used as a partial replacement for salt, containing just one-third the sodium, and is classified as safe by the United States Food and Drug Administration and the World Health Organization.

Originally associated mainly with Asian cuisines, Monosodium glutamate is now used around the world to bring out the delicious flavor of foods.
Umami and Monosodium glutamate are two sides of the same coin: they both give us the same taste experience, both with glutamate.

The glutamate in Monosodium glutamate is chemically indistinguishable from the glutamate present in animal and plant proteins, and our bodies metabolize both sources of glutamate in the same way.
Think of salt and saltiness.

Many foods taste salty, but a pinch of salt on your tongue gives you the purest taste of saltiness.
When you eat Monosodium glutamate it triggers only one taste sensation–umami.
The odorless white crystalline powder known as Monosodium glutamate for over a century, and today it is found in kitchen cupboards worldwide.

Monosodium glutamate is also known as MSG or sodium glutamate.
Monosodium glutamate is a flavor enhancer commonly added to Chinese food, frozen foods, canned vegetables, spice mixes, soups and processed meats to intensify savory flavors and aroma.

Monosodium glutamate is derived from the sodium salt of glutamic acid, one of the most abundant naturally occurring non-essential amino acids.
Glutamate is found in nearly all foods, especially high protein foods such as dairy products, meat and fish and in many vegetables.

Monosodium glutamate is the sodium salt of glutamic acid, an amino acid involved in several bodily functions, including metabolism and neurotransmission.
Often utilized as a flavor enhancer in both Asian and Western cuisines, Monosodium glutamate is valued for its ability to provide umami, the fifth taste, which adds depth to various dishes.

Despite its widespread use, Monosodium glutamate has been surrounded by controversy, particularly in the United States, where it has been wrongly linked to health issues such as "Chinese restaurant syndrome."
However, scientific studies have not established a causal relationship between Monosodium glutamate consumption and adverse health effects at typical dietary levels.

Monosodium glutamate is classified as Generally Recognized As Safe (GRAS) by the FDA and is also permitted as a food additive in the European Union.
Monosodium glutamate naturally occurs in numerous foods, including tomatoes, cheese, and certain meats, indicating its long-standing presence in global culinary traditions.

Additionally, various glutamate-derived additives are available in the food industry, expanding the ways umami can be incorporated into meals.
Overall, understanding Monosodium glutamate's role can enhance appreciation for its flavor contributions across diverse cuisines.
Monosodium glutamate is a food additive.

Its full name is monosodium glutamate and it comes from the amino acid, glutamic acid.
Amino acids are the building blocks of protein.
Our food and bodies contain protein that, in turn, contains glutamate.

Glutamate is found in a wide variety of foods.
In the European Union, Monosodium glutamate is classified as a food additive (E621) and regulations are in place to determine how and when it can be added to foods.
You can recognize MSG on food labels by a number of synonyms: vetsin, ajinomoto, monosodium glutamate, E621, sodium glutamate, monosodium L-glutamate, and monohydrate glutamic acid.

Monosodium glutamate (MSG) may be most commonly associated with Chinese food, but this odorless, crystalline additive is used throughout the restaurant industry, and is even added to many packaged foods you may be eating.
Monosodium glutamate is a flavor enhancer that's frequently added to canned vegetables, soups, deli meats, and restaurant foods to lend a savory, rich flavor.

Monosodium glutamate's made from sodium and L-glutamic acid, a nonessential amino acid that occurs naturally in umami-rich foods like tomatoes, anchovies, mushrooms, and Parmesan cheese.
A Japanese chemist named Kikunae Ikeda extracted glutamate from an umami-rich seaweed broth to produce the first man-made Monosodium glutamate in 1908.

Today, Monosodium glutamate is made by fermenting starch, sugar beets, sugar cane, or molasses into an odorless white powder that can be sprinkled into your food like table salt.
And while Monosodium glutamate is frequently associated with Southeast Asian cooking, it's an ingredient that's used in various types of cooking around the world.

Monosodium glutamate (MSG) is a flavor enhancer that gives foods a specific savory taste that is also known as “umami.”
Although Monosodium glutamate is found naturally in some foods, such as tomatoes and certain cheeses, it wasn’t until the early 20th that MSG was discovered by Kikunae Ikeda, a chemistry professor at the Imperial University of Tokyo.
The legend goes that Professor Ikeda was eating soup when he noticed that the broth tasted better than usual.

Upon inspection, he realized the enhanced taste was due to the addition of kelp, and he was inspired to begin studying its chemical structure.
By 1908, Professor Ikeda had determined that the savory taste was due to L-glutamic acid (glutamate), a nonessential amino acid.
When glutamate was combined with sodium, the substance became known as Monosodium glutamate.

In 1909, Professor Ikeda filed a patent to produce Monosodium glutamate commercially.
Monosodium glutamate was subsequently developed as a product that entered the food supply as a seasoning.
Today, Monosodium glutamate is a popular food additive and is produced from fermenting starch, sugar beets, sugar cane, or molasses.

Although Monosodium glutamate is odorless and tasteless by itself, when it’s added to foods it brings out those special brothy or meaty umami tastes.
The flavor has been deemed so enjoyable that “umami” was named after “umai,” the Japanese word for “delicious.”
The enjoyment can be broken down chemically: When Monosodium glutamate is eaten, the sodium and glutamate break apart in the saliva, and the free glutamate activates a person’s umami taste receptors, creating that especially satisfying and savory flavor.

Monosodium glutamate, also known as MSG or Chinese salt , is the sodium salt of glutamic acid, one of the most naturally occurring non-essential amino acids .
The U.S. Food and Drug Administration classifies Monosodium glutamate as Generally Recognized as Safe (GRAS), while the European Union classifies it as a food additive .

Monosodium glutamate has the HS code 29224220 and E number E621.
Monosodium glutamate provides the same umami taste as other foods.
Chemically, they are both identical.

Monosodium glutamate (MSG) is the sodium salt of glutamic acid, one of the most abundant naturally occurring non-essential amino acids.
Monosodium glutamate is found naturally in tomatoes, cheese and other foods.
Monosodium glutamate (MSG) is a common flavor additive that has a reputation for being harmful to your health.

While some people may be more sensitive to Monosodium glutamate than others, experts generally consider it safe, especially in smaller doses.
Monosodium glutamate’s a flavor enhancer derived from L-glutamic acid, which is naturally present in many foods.
L-glutamic acid is a nonessential amino acid, meaning that your body can produce Monosodium glutamate by itself and doesn’t need to get it from food.

Monosodium glutamate is a white, odorless, crystalline powder commonly used as a food additive.
Monosodium glutamate’s made by fermenting carb sources like sugar beet, sugar cane, and molasses.
There’s no chemical difference between the glutamic acid found naturally in some foods and that found in Monosodium glutamate.
This means your body can’t differentiate between the two types.

Monosodium glutamate has a specific taste known as umami — the fifth basic taste alongside sweet, sour, salty, and bitter.
Umami has a meaty flavor that refers to the presence of proteins in food.
Besides Monosodium glutamate, other umami compounds include inosine 5’-monophosphate (IMP) and guanosine 5’-monophosphate (GMP).

Monosodium glutamate’s estimated that people’s average daily intake is 0.3–1.0 grams.
Monosodium glutamate is a white, odorless crystalline powder, usually derived from the amino acid glutamate or glutamic acid.
Monosodium Glutamate (MSG) is the sodium salt of the naturally occurring amino acid L-glutamic acid.

Monosodium glutamate is one of the most widely used flavor enhancers in the food industry and is responsible for imparting the characteristic umami taste, often described as savory, meaty, or broth-like.
Glutamate naturally occurs in foods such as tomatoes, cheese, mushrooms, seaweed, meat, and fermented products.

Commercial Monosodium glutamate is generally produced through microbial fermentation of carbohydrate sources such as sugar beet, sugar cane, cassava, or molasses.
Monosodium glutamate enhances flavor intensity without significantly altering the original taste profile of foods and is commonly used in processed foods, restaurant cooking, seasonings, soups, sauces, snacks, and meat products.

Monosodium glutamate is designated as food additive E621 in Europe and many other regions.
MSG stands for monosodium glutamate.
Monosodium glutamate in food is an additive derived from glutamic acid (glutamate) — an amino acid that naturally occurs in many foods, like tomatoes and cheese.

The glutamate in Monosodium glutamate is a bit different from the glutamate found naturally in food.
But the body metabolizes both in the same way.
Glutamic acid (glutamate) is a neurotransmitter, which means it sends chemical messages within the body.
The body can make glutamate and absorb it from food.

It helps the brain with things like learning and memory.
If you have too much or too little, it can cause health problems.
But the body is usually very good at digesting glutamate from food and Monosodium glutamate sources when it doesn’t need any more.

So having too much isn’t usually a problem.
It’s worth noting that Monosodium glutamate does not contain gluten, even though “glutamate” is a similar-sounding word.
Monosodium glutamate (MSG), also known as Chinese salt, is a food additive.

USES and APPLICATIONS of MONOSODIUM GLUTAMATE:
Monosodium glutamate is primarily used as a flavor enhancer throughout the food industry.
Monosodium glutamate is widely incorporated into soups, broths, sauces, gravies, seasoning blends, snack foods, instant noodles, frozen foods, canned products, processed meats, sausages, seafood products, ready meals, and restaurant dishes.

Monosodium glutamate is used in cooking as a flavor enhancer with a savory taste that intensifies the umami flavor of food, as naturally occurring glutamate does in foods such as stews and meat soups.
In meat processing, Monosodium glutamate enhances meaty flavor perception and improves overall taste intensity.

In soups and sauces, Monosodium glutamate strengthens savory notes and contributes to a fuller flavor profile.
Snack manufacturers frequently use Monosodium glutamate to increase palatability and flavor persistence.
Monosodium glutamate is widely used in Asian cooking and in processed foods in Western countries.

Typically, Monosodium glutamate is added to savoury prepared and processed foods such as frozen foods, spice mixes, canned and dry soups, salad dressings and meat or fish-based products.
In some countries, Monosodium glutamate is used as a table-top seasoning.
Monosodium glutamate added to foods produces a flavouring function similar to the glutamate that occurs naturally in foods.

Monosodium glutamate acts as a flavour enhancer and adds a fifth taste, called “umami”, which is best described as a savoury, broth-like or meaty taste.
Beyond food applications, Monosodium glutamate is utilized in microbiological culture media, biochemical research, fermentation technology, pharmaceutical formulations, and analytical laboratory applications.

Researchers also use glutamate salts in studies involving neurotransmission, amino acid metabolism, cellular physiology, and nutritional sciences.
Monosodium glutamate is often combined with flavor enhancers such as inosinate and guanylate nucleotides because these substances exhibit synergistic effects, producing a stronger umami sensation than any of the individual ingredients alone.

Unless combined with a harmonious and pleasant aroma, pure Monosodium glutamate does not have a pleasant taste.
When used as a flavoring and in the right amount, Monosodium glutamate has the ability to balance and unify the overall taste of certain dishes by enhancing other flavor-activated components.
Monosodium glutamate pairs well with red meat, fish, chicken, numerous vegetables, sauces, soups, and marinades, and makes certain foods, such as beef consommé, generally more preferable.

However, like other base flavors besides sucrose, Monosodium glutamate only enhances the goodness of taste when used at the correct concentration.
Too much Monosodium glutamate can quickly spoil the taste of food.
While this concentration varies depending on the type of food, in broth, the goodness score drops rapidly with more than 1 gram of Monosodium glutamate per 100 ml.

In addition, there is an interaction between Monosodium glutamate and other umami substances such as salt (sodium chloride) and nucleotides.
For maximum flavor, all must be at an optimum concentration.
Monosodium glutamate, with these properties, can be used to reduce salt intake ( sodium ) , which causes hypertension, heart disease, and heart attacks .

The taste of low-salt foods is improved with Monosodium glutamate, even if the salt content is reduced by 30%.
The sodium content in Monosodium glutamate ( as a percentage by mass ) is approximately one-third that of sodium chloride (39%) (12%).
Although other glutamate salts are used in low-salt soups, the palatability is less than that of Monosodium glutamate.

Monosodium glutamate is in many types of food, from Asian cuisine to packaged chips.
Industrial food manufacturers market and use Monosodium glutamate as a flavor enhancer because it balances, blends, and combines the overall perception of other flavors.

Monosodium glutamate is used in the food industry as a flavor enhancer with an umami taste that intensifies the meaty, savory flavor of food, as naturally occurring glutamate does in foods such as stews and meat soups.
Monosodium glutamate as a flavor enhancer balances, blends, and rounds the perception of other tastes.
Widely used, Monosodium glutamate gives foods a distinctive flavor.

Monosodium Glutamate (MSG) is a flavor enhancer that has been widely used for roughly 100 years.
In the food industry, Monosodium glutamate’s known as E621.
Monosodium glutamate dissolves easily in water, separating into sodium and free glutamate.

In addition to being naturally present in certain foods, Monosodium glutamate’s a common food additive in Chinese recipes, canned vegetables and soups, and other processed goods.
Monosodium glutamate is popular in Asian cooking and used in various processed foods in the West.

Monosodium glutamate (also known as MSG) is used to enhance the salty 'umami' flavor of food.
Monosodium glutamate has been used for more than a century in food manufacturing and culinary applications.

MONOSODIUM GLUTAMATE, FLAVOR ENHANCER:
The flavor-enhancing effects of Monosodium glutamate are due to its umami taste, which induces salivary secretion.
In other words, umami flavors make your mouth water, which can improve the taste of food.

What’s more, studies show that umami substances can lower the desire to salt foods.
Salt is another flavor enhancer.

In fact, some research postulates that replacing some salt with glutamates, like Monosodium glutamate, can reduce people’s sodium intake by approximately 3% without sacrificing flavor.

Similarly, Monosodium glutamate may be used as a salt substitute in low sodium products like soups, prepackaged meals, cold meats, and dairy products.

MONOSODIUM GLUTAMATE-CONTAINING PRODUCTS:
Karagenan (E 407)
bouillon
Maltodextrin
Oligodextrin
Citric acid, citrate (E330)
Barley Malt
Brewer's yeast
Pectin (E 440)
Flavor
Ultra pasteurized products

BENEFITS of MONOSODIUM GLUTAMATE:
Monosodium glutamate offers numerous technological and sensory advantages.
One of Monosodium glutamate's primary benefits is the enhancement of savory flavor while using relatively small quantities.
Monosodium glutamate increases flavor impact without masking the original characteristics of food.
Because Monosodium glutamate contains substantially less sodium than sodium chloride, it can help reduce total sodium levels in certain food formulations while maintaining consumer acceptance.

Additional benefits include improved flavor balance, increased palatability, enhancement of meat-like notes, improved mouthfeel, flavor rounding, masking of undesirable tastes, and enhancement of overall sensory quality.
Monosodium glutamate is highly efficient, cost-effective, stable during processing, and easily incorporated into both liquid and dry systems.

Monosodium glutamate also contributes to the perception of richness and complexity in food products, making it one of the most widely used flavor-enhancing ingredients worldwide.
Monosodium glutamate is approved for food use in numerous countries and regions and remains one of the most extensively studied food additives globally.

WHAT DOES MONOSODIUM GLUTAMATE DO?
Monosodium glutamate enhances the savory aspects of umami — a Japanese word that roughly translates to “deliciousness.”
Umami is known as the “fifth taste,” and it offers a savory “meatiness” (though it’s entirely vegan).

While Monosodium glutamate is often associated with Chinese food, it’s also in foods like canned chicken noodle soup and Doritos.
Kombu, a type of brown seaweed, contains a lot of Monosodium glutamate, which is why it’s often used for creating broths, especially in Japanese cooking.

Monosodium glutamate is a salt form of glutamic acid, an amino acid naturally found in the body and many foods.
Monosodium glutamate is used as an ingredient to make foods taste umami or savory, one of the five basic tastes, and as a seasoning to enhance food flavor for a tastier meal.

THE DISCOVERY OF MONOSODIUM GLUTAMATE
In 1908, Professor Kikunae Ikeda isolated glutamic acid as a new flavoring agent from the seaweed Laminaria japonica ( kombu ) by extracting it with water and crystallizing it, and named this taste umami .
He noticed that Japanese katsuobushi and kombu water had a unique taste that had not been scientifically defined until then and was different from sweet, salty, sour, and bitter.

Professor Ikeda studied the taste properties of numerous glutamate salts, such as calcium , potassium, ammonium, and magnesium glutamate , to prove that ionized glutamate produced the umami taste .
In all salts, the umami taste emerged in addition to a certain metallic taste due to other minerals.

Among these salts, sodium glutamate was the most soluble, edible, and easily crystallized.
Professor Ikeda named this product monosodium and obtained a patent for the production of Monosodium glutamate.
The Suzuki brothers started MSG production in 1909 under the name AJI-NO-MOTO, which means "essence of taste" in Japanese, and monosodium glutamate was produced for the first time in the world.

WHY IS MONOSODIUM GLUTAMATE ADDED TO CERTAIN FOODS?
Monosodium glutamate intensifies and enhances umami flavors in soups, sauces, broths, and other foods.
On its own Monosodium glutamate doesn't taste like anything, but it lends a savory, meaty flavor to foods it's added to, making it a popular additive for both restaurant and home chefs.

While the FDA considers the addition of MSG to foods to be "generally recognized as safe," it still requires food manufacturers to list Monosodium glutamate on the ingredient panel.
You'll see it listed as monosodium glutamate.
And if a food includes any ingredient that contains naturally occurring Monosodium glutamate (such as yeast extract, hydrolyzed yeast, or protein isolate) it cannot claim "no MSG" or "no added MSG" on its packaging.

WHAT IS MONOSODIUM GLUTAMATE MADE OF?
Today, Monosodium glutamate produced by the Ajinomoto Group is produced through fermentation of plant-based ingredients such as sugar cane, sugar beets, cassava or corn.
Monosodium glutamate is the sodium salt of glutamic acid, one of the most common naturally occurring amino acids.

Glutamic acid is produced in abundance in our bodies and found in many foods we eat every day, including meat, fish, eggs and dairy products, as well as tomatoes, corn and nuts.
When a protein containing glutamic acid is broken down, for example through fermentation, it becomes glutamate.
Glutamate activates our taste receptors, eliciting the delicious savory taste known as umami.

HOW IS MONOSODIUM GLUTAMATE MADE?
One evening over dinner in 1908, one of the Ajinomoto Group’s founders, biochemist Dr. Kikunae Ikeda, asked his wife a question that would change the history of food:
What gave her vegetable and tofu soup its delicious meaty flavor?

Mrs. Ikeda pointed to the dried seaweed called kombu, or kelp, that she used to make her traditional Japanese dashi, or broth.
Inspired by this revelation, Dr. Ikeda set to work.
Evaporating and treating his wife’s kombu broth, he was able to extract a crystalline compound, which turned out to be glutamic acid.

Tasting the crystals, he recognized a distinct savory flavor he dubbed umami, based on the Japanese word umai (delicious).
Dr. Ikeda soon filed a patent to produce umami in an easy-to-use form: MSG (monosodium glutamate).
The following year, the Ajinomoto Group got its start, as Monosodium glutamate was launched on the Japanese market.

At first it was produced through the hydrolysis of gluten to extract wheat protein.
Then in the 1930s there was a shift to extracting Monosodium glutamate from soy beans.
In the 1960s production moved to the bacterial fermentation of sugar cane and similar crops in a process much like the way cheese, yogurt and wine are produced.

PRODUCTION AND CHEMICAL PROPERTIES of MONOSODIUM GLUTAMATE:
Since Monosodium glutamate was first introduced to the market, it has been produced using three methods:
Hydrolysis of plant proteins with hydrochloric acid to cleave peptide bonds (1909-1962)
Direct chemical synthesis using acrylonitrile (1962 - 1973) the current method is bacterial fermentation.

Initially, wheat gluten was used in hydrolysis because 100 grams of protein contained more than 30 grams of glutamate and glutamine.
To meet the ever-increasing demand for Monosodium glutamate production, new production processes were explored: chemical synthesis and fermentation.

The polyacrylic fiber industry began in Japan in the mid-1950s, and acrylonitrile was used as a starting material aimed at synthetically producing Monosodium glutamate.
Currently, Monosodium glutamate production worldwide is achieved through bacterial fermentation, a process similar to that used for wine, vinegar, yogurt, and even chocolate.

Sodium is added in a later neutralization stage.
During fermentation, selected bacteria (coryneform bacteria) are cultured with ammonia and carbohydrates obtained from sugar beet, sugarcane, tapioca, or molasses, which release amino acids into the culture broth from which L-glutamate is isolated.

The first industrial fermentation producing L-glutamate was carried out by Kyowa Hakko Kogyo Co Ltd.
Today, the trend and production rate of conversion of sugar products to glutamate continues to increase the industrial production of Monosodium glutamate, thus meeting the current demand.
The final product after filtration, concentration, acidification, and crystallization is pure glutamate, sodium, and water.

Monosodium glutamate appears as a white and odorless crystalline powder that decomposes into glutamate and sodium in solution.
Monosodium glutamate is freely soluble in water but is not hygroscopic and is practically insoluble in common organic solvents such as ether.

Monosodium glutamate is generally stable under regular food processing conditions.
Monosodium glutamate does not dissolve during cooking, but, as with other amino acids, browning or Maillard reactions occur in the presence of sugar at very high temperatures

HOW IS MONOSODIUM GLUTAMATE MADE?
Monosodium glutamate is made by fermenting starch, sugar beets, sugar cane, or molasses, much like how yogurt, vinegar, and wine are made.

HISTORY of MONOSODIUM GLUTAMATE:
Throughout history, people all over the world have always eaten foods that contain glutamate.
Asian communities, for example, made a broth with seaweed, which is rich in glutamate.
In 1908, a professor from Japan named Kikunae Ikeda figured out how to bring out glutamate from the broth.
He also found that it was glutamate that made the soup taste savory.
He then filed a patent, granting him a legal right to make Monosodium glutamate.
A year later, Monosodium glutamate was made and sold commercially.

WHERE DOES MONOSODIUM GLUTAMATE COME FROM?
Although Monosodium glutamate occurs naturally, it can also be produced synthetically in laboratories and factories.
Synthetic Monosodium glutamate is made from fermented sugarcane, beet, or corn starch through a fermentation process.
The same process is used to make vinegar, soy sauce, and yogurt.

There is no chemical difference between factory-produced Monosodium glutamate and naturally occurring MSG.
The human body cannot distinguish whether Monosodium glutamate in your diet comes from nature or is synthesized in a laboratory.

Natural glutamate is found in meat, fish, fruits, and vegetables, including mushrooms.
It is also present in breast milk.
As a general rule, foods higher in protein (such as meat, eggs, and fish) contain large amounts of bound glutamate, while foods lower in protein (such as fruits and vegetables) contain high levels of free glutamate.

WHAT FOODS ARE MORE LIKELY TO CONTAIN MONOSODIUM GLUTAMATE?
Although Chinese dishes are often associated with Monosodium glutamate, many non-ethnic restaurants (and fast-food joints) also use MSG to flavor their food.
Monosodium glutamate is also found in many processed and packaged foods, and in many hot dogs and lunch meats.
Condiments like salad dressing, mayonnaise, ketchup, and barbecue sauce also frequently contain Monosodium glutamate, as do packaged seasoning blends, frozen pizzas, and instant noodles.

PHYSICAL AND CHEMICAL CHARACTERISTICS of MONOSODIUM GLUTAMATE:
Monosodium glutamate is a highly water-soluble crystalline compound that readily dissociates into sodium ions and glutamate ions when dissolved.
Monosodium glutamate ion is responsible for stimulating specific umami receptors located on the tongue, producing a savory taste sensation.

Monosodium glutamate is chemically stable under ordinary storage conditions and remains functional throughout many food processing operations, including cooking, baking, sterilization, pasteurization, and freezing.
Because Monosodium glutamate contains approximately one-third of the sodium found in table salt by weight, it can contribute to sodium-reduction strategies while maintaining flavor intensity.

Monosodium glutamate exhibits excellent compatibility with proteins, nucleotides, spices, seasonings, hydrolyzed vegetable proteins, yeast extracts, and meat flavor systems.
Monosodium glutamate is particularly effective in enhancing brothy, meaty, roasted, and savory flavor notes.

WHEN WAS MONOSODIUM GLUTAMATE DISCOVERED?
Monosodium glutamate was first discovered in 1908 by a Japanese chemistry professor.
The story goes that Kikunae Ikeda was having dinner with his family one night when he stopped to ask his wife why the soup tasted so good.
Mrs. Ikeda credited it to kombu, a heavy seaweed often dissolved in hot water to create 'dashi,' a Japanese liquid stock used in many soups and broths.

This question not only led to the discovery of Monosodium glutamate, but also ignited the mass production of the popular glutamate.
This, in turn, led to the discovery of umami, the fifth element of pleasure.

In Japanese, "umami" means appetizing.
It also means flavor.
Umami is common in flavors found in foods such as asparagus, meat, and cheese.

HOW CAN YOU TELL IF YOUR FOOD CONTAINS MONOSODIUM GLUTAMATE?
There are two criteria that determine whether the appearance of Monosodium glutamate in food should be indicated on the label.
Firstly, if Monosodium glutamate occurs naturally in the food source, such as in Vegemite or oyster sauce, companies are not required to declare that the food contains MSG on the labels.

However, if Monosodium glutamate is added to the product, it must be listed on the label - either by name (Flavor enhancer (MSG)) or by number (Flavor enhancer (621)).
Labels on takeaway or restaurant menus don't need to state whether Monosodium glutamate has been added to the food.
However, if you ask staff whether the food contains Monosodium glutamate, they should be able to tell you.

WHAT IS MONOSODIUM GLUTAMATE AND WHERE IS IT FOUND?
Monosodium glutamate is the sodium salt of L-glutamic acid.
Glutamate is a naturally occurring nonessential amino acid that is found in nearly all foods, especially high protein foods such as dairy products, meat, fish and in many vegetables.
Foods often used for their flavouring properties, such as mushrooms and tomatoes, have high levels of naturally occurring glutamate.
Glutamate plays an essential role in normal body functioning.

HOW IS MONOSODIUM GLUTAMATE DIFFERENT FROM SALT?
Monosodium glutamate contains about one third of the sodium of table salt and is used in smaller amounts.
When Monosodium glutamate is used in combination with a small amount of table salt, it can help to reduce the total sodium in a recipe by 40% while maintaining flavour.

HOW IS MONOSODIUM GLUTAMATE MADE?
In past times, Monosodium glutamate was extracted from natural protein-rich foods such as seaweed.
Today, this time-consuming practice is no longer used and Monosodium glutamate is made from an industrial fermentation process from sugar beets, sugar cane or molasses.

PHYSICAL and CHEMICAL PROPERTIES of MONOSODIUM GLUTAMATE:
Chemical formula: C5H8NO4Na
Molar mass: 169.111 g/mol (anhydrous), 187.127 g/mol (monohydrate)
Appearance: White crystalline powder
Density: 322
Melting point: 232 °C (450 °F; 505 K)
Solubility in water: 740 g/L
CAS Number: 142-47-2
EC Number: 205-538-1
E number: E621 (flavour enhancer)

Molecular Weight: 187.13 g/mol
Hydrogen Bond Donor Count: 3
Hydrogen Bond Acceptor Count: 6
Rotatable Bond Count: 4
Exact Mass: 187.04566670 Da
Monoisotopic Mass: 187.04566670 Da
Topological Polar Surface Area: 104 Å²
Heavy Atom Count: 12
Formal Charge: 0

Complexity: 149
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 1
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 3
Compound Is Canonicalized: Yes

Molecular formula: C 5 H 8 NNaO 4
Molar mass: 169.111 g/mol
Appearance: White crystalline powder
Melting point: 232 °C, 505 K, 450 °F
Water solubility: 74 g/100 mL
Linear Formula: NaOOCCH2CH2CH(NH2)COOH
CAS Number: 142-47-2

Molecular Weight: 169.11
UNSPSC Code: 12352200
E Number: E 621
NACRES: NA.21
Organoleptic: odorless
Grade: FG, Halal, Kosher
Food allergen: no known allergens
Physical state: solid

Color: white
Odor: No data available
Melting point/range: 163 °C (1.013,25 hPa) (decomposition)
Boiling point/boiling range: 200 °C (decomposition)
Flammability: not flammable
Flash point: Not applicable
Autoignition temperature: does not ignite
pH: 6,8 (25 °C)

Solubility (Water solubility): 417 g/l (20 °C)
Partition coefficient log Pow: < -4 (20 °C)
Vapor pressure: < 0,1 hPa (20 °C)
Density / Relative density: 1,65 g/cm3 (20 °C)
Explosive properties: Not classified as explosive
Oxidizing properties: none
Surface tension: 74,2 mN/m, 1 g/l, 20 °C, OECD Test Guideline 115, GLP: yes
Molecular weight: 169,11 g/mol

Common Name: Monosodium Glutamate
Abbreviation: MSG
Chemical Name: Monosodium L-Glutamate
IUPAC Name: Sodium (S)-2-aminopentanedioate
Food Additive Number: E621
CAS Number: 142-47-2
EC Number: 205-538-1

Molecular Formula (Anhydrous): C₅H₈NNaO₄
Molecular Formula (Monohydrate): C₅H₁₀NNaO₅
Molecular Weight (Anhydrous): 169.11 g/mol
Molecular Weight (Monohydrate): 187.13 g/mol
Chemical Class: Amino Acid Salt
PubChem CID: 23689119
ChemSpider ID: 6261

Appearance: White crystalline powder or crystals
Physical State: Solid
Color: White to almost white
Odor: Odorless or faint characteristic odor
Taste: Strong umami/savory taste
Density: Approximately 1.6 g/cm³
Water Solubility: Freely soluble
Alcohol Solubility: Slightly soluble

pH (1% solution): Approximately 6.7–7.2
Melting Point: Decomposes upon heating rather than melting cleanly
Boiling Point (estimated): 333.8°C
Flash Point (estimated): 155.7°C
Vapor Pressure: Very low
Log P: Negative value (high hydrophilicity)
Hygroscopicity: Slightly hygroscopic
Stability: Stable under normal storage conditions
Optical Activity: Optically active (L-isomer)
Ionic Character: Dissociates into sodium and glutamate ions in water

FIRST AID MEASURES of MONOSODIUM GLUTAMATE:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of MONOSODIUM GLUTAMATE:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of MONOSODIUM GLUTAMATE:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of MONOSODIUM GLUTAMATE:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of MONOSODIUM GLUTAMATE:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of MONOSODIUM GLUTAMATE:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available