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E 150d

CAS:    8028-89-5
MF:    C7H10O2
EINECS:    232-435-9

Definition
E 150d is a caramel colour food dye. 
E 150d is made by heating carbohydrates in the presence of sulfite and ammonia compounds.
Caramel colors are considered generally safe in the levels used in foods.
Individuals with sulfur and sulfite sensitivities may wish to avoid E 150d. 
The carbohydrate source for caramel production may come from allergenic sources such as wheat, barley, or milk, so individuals with allergies may wish to avoid caramel colours or contact manufacturers to request information about allergen levels.

This food preservative, E150d is the one which is used in many soft drinks, and as its name says it does contain sulfites. 
E 150d is not only added to the drinks because of the obvious reason for coloring the water, but because the sulfite compounds in E 150d makes it also a good emulsifier and a preservative which prevents oxidation of the flavouring components.

A question what pops up often with sulfites is that: “Can I drink colas anymore ? 
The answer is no, if you want to avoid also the trace amounts of E 150d. 
E 150d tend to accumulate in the body, so having a glass of cola only once in awhile might not alone make you sick, but if you get some other hidden sulfites from other sources, your daily limit might get full pretty fast.  
Most colas do not label the sulfites, since the amounts are often trace amounts and under 10 ppm. 
But that is for a serving size, and by now you should know how clever food companies can be when they label sulfites/don’t label them and even though some companies do label also the trace amounts, most don’t label anything under the limit of 10 ppm.

E 150d is a dark brown colour made from sucrose in the presence of ammonia, ammonium sulphate, sulphur dioxide or sodium hydroxide.
The types of E 150d available include plain (spirit) caramel (prepared by controlled heat treatment of carbohydrates with or without an acid or base), caustic sulphite caramel (produced by heat treatment of carbohydrates with sulphur containing compounds), ammonia caramel (heat treatment in the presence of ammonia) and sulphite ammonia caramel.
E 150d can be manufactured without ammonia.

E 150d is prepared by controlled heating of carbohydrates as defined for ordinary caramel, with or without acids or bases, in the presence of sulphite and ammonium compounds (sulphuric acid, potassium sulphite, potassium hydrogen sulphite, sodium sulphite, sodium hydrogen sulphite, ammonium hydroxide, ammonium carbonate, ammonium hydrogen carbonate, ammonium phosphate, ammonium sulphate, ammonium sulphite and ammonium hydrogen sulphite.

Uses
E 150d can be found in beer, brown bread, buns, chocolate, biscuits, brandy, chocolate flavoured flour based confectionery, coatings, decorations, fillings and toppings, crisps, dessert mixes, doughnuts, fish and shellfish spreads, frozen desserts, glucose tablets, gravy browning, ice cream, jams, milk desserts, pancakes, pickles, sauces and dressings, soft drinks particularly cola drinks, stouts, sweets, vinegar, whisky and wines.

E 150d is one of the oldest and most widely used food colorings, and is found in many commercially produced foods and beverages. 
E 150d is widely approved for use in food globally but application and use level restrictions vary by country.
Side effects are manifested from the use of IN150d, where intestinal problems may occur after ingestion of large amounts. 
Due to the complex nature of the mixtures, toxicology tests are still being carried out.

Caramel coloring may be derived from a variety of source products that are themselves common allergens. 
As such, persons with known sensitivities or allergies to food products are advised to avoid foods including generic caramel coloring or first determine the source for the caramel coloring before consuming the food.
One of the oldest and widely used water-soluble food coloring (E number 150), Caramel has an odor of burnt sugar and a somewhat bitter taste. 
E 150d's color ranges from pale yellow to amber to dark brown for enhancing naturally occurring colors, correcting natural variations in color, and replacing color that is lost to light degradation during food processing and storage.

E 150d is used in many commercially produced foods and beverages, including batters, beer, brown bread, buns, chocolate, cookies, cough drops, spirits and liquor such as brandy, rum, and whisky, chocolate-flavored confectionery and coatings, custards, decorations, fillings and toppings, potato chips, dessert mixes, doughnuts, fish and shellfish spreads, frozen desserts, fruit preserves, glucose tablets, gravy, ice cream, pickles, sauces and dressings, soft drinks (especially colas), sweets, vinegar, and more.
E 150d is widely approved for use in food globally but application and use level restrictions vary by country. 
E 150d is approved for use as food and cosmetics coloring in EU. 
In US, E 150d is exempt from certification and permanently listed for food, drugs and cosmetics use.

E 150d restores the color of food products and therefore used a color additive. 
E 150d has a burnt sugar odor, present in solid or liquid form with dark brown to black color. 
E 150d is used as an emulsifier, thickener, coloring, and bulking agent in food and beverages. 
E 150d is also known as sulphite ammonia caramel, sethness 858, natural brown 10, caramel liquid, and burnt sugar colouring.

Synonyms
3,5-Dimethyl-1,2-cyclopentanedione
13494-07-0
3,5-Dimethylcyclopentane-1,2-dione
3,5-Dimethyl-1,2-cyclopentadione
1,2-Cyclopentanedione, 3,5-dimethyl-
Caramel
Fema3269
8028-89-5
caramel dione
CARAMEL COLOR A
starbld0016612
DSSTox_CID_27660
DSSTox_RID_82483
DSSTox_GSID_47660
SCHEMBL873396
CHEMBL3183686
DTXSID0047660
Tox21_302565
MFCD00143076
3,5-dimethyl-cyclopentane-1,2-dione
AKOS015898994
NCGC00256668-01
AS-61756
CAS-13494-07-0
3,5-Dimethyl-1,2-cyclopentadione, >=97%
CS-0238807
D95710
EN300-2009849
2-Hydroxy-3,5-dimethyl-2-cyclopenten-1-one, 9CI
W-108275

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