DATEM (diacetyl
tartaric acid
Tartaric acid is a white, crystalline organic acid that occurs naturally in many fruits, most notably in grapes, but also in bananas, tamarinds, and citrus. Its salt
Salt is a mineral composed primarily of sodium chloride (NaCl), a c ...
ester of mono- and diglycerides, also E472e) is an
emulsifier
An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation. Emulsions are part of a more general class of two-phase systems of matter called colloids. Althoug ...
primarily used in baking to strengthen the
gluten
Gluten is a structural protein naturally found in certain cereal grains. Although "gluten" often only refers to wheat proteins, in medical literature it refers to the combination of prolamin and glutelin proteins naturally occurring in all gra ...
network in
dough
Dough is a thick, malleable, sometimes elastic paste made from grains or from leguminous or chestnut crops. Dough is typically made by mixing flour with a small amount of water or other liquid and sometimes includes yeast or other leavening ag ...
. It is added to crusty
breads, such as
rye
Rye (''Secale cereale'') is a grass grown extensively as a grain, a cover crop and a forage crop. It is a member of the wheat tribe ( Triticeae) and is closely related to both wheat (''Triticum'') and barley (genus ''Hordeum''). Rye grain is ...
, to impart a springy, chewy texture. It is also used in the production of
biscuit
A biscuit is a flour-based baked and shaped food product. In most countries biscuits are typically hard, flat, and unleavened. They are usually sweet and may be made with sugar, chocolate, icing, jam, ginger, or cinnamon. They can also be ...
s,
coffee whitener
A non-dairy creamer, commonly also called tea whitener or coffee whitener or else just creamer, is a liquid or granular product intended to substitute for milk or cream as an additive to coffee, tea, hot chocolate or other beverages. They do ...
s,
salsa con queso
Chile con queso ( Spanish for "chile with cheese"), sometimes simply called queso, is an appetizer or side dish of melted cheese and chili peppers, typically served in Tex-Mex restaurants as a dip for tortilla chips.
Background
Chile con q ...
,
ice cream
Ice cream is a sweetened frozen food typically eaten as a snack or dessert. It may be made from milk or cream and is flavoured with a sweetener, either sugar or an alternative, and a spice, such as cocoa or vanilla, or with fruit such as ...
, and
salad dressing
A salad dressing is a sauce for salads. Used on virtually all '' leafy salads'', dressings may also be used in making salads of beans (such as three bean salad), noodle or pasta salads and antipasti, and forms of potato salad.
Salad dressings ...
s.
Chemistry
Although the exact mechanism is not well understood, DATEM appears to interact with the hydrophobic parts of gluten, helping its
protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, respon ...
s
unfold and form cross-linked structures. DATEM is composed of mixed
ester
In chemistry, an ester is a compound derived from an oxoacid (organic or inorganic) in which at least one hydroxyl group () is replaced by an alkoxy group (), as in the substitution reaction of a carboxylic acid and an alcohol. Glycerides ...
s of
glycerin
Glycerol (), also called glycerine in British English and glycerin in American English, is a simple triol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. The glycerol backbone is found in lipids know ...
in which one or more of the
hydroxyl group
In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry, alcohols and carboxylic acids contain one or more hydroxy ...
s of glycerin has been esterified by
diacetyl tartaric acid and by
fatty acid
In chemistry, particularly in biochemistry, a fatty acid is a carboxylic acid with an aliphatic chain, which is either saturated or unsaturated. Most naturally occurring fatty acids have an unbranched chain of an even number of carbon atoms, ...
s. The ingredient is prepared by the reaction of
diacetyl tartaric anhydride
Diacetyl (IUPAC systematic name: butanedione or butane-2,3-dione) is an organic compound with the chemical formula (CH3CO)2. It is a yellow liquid with an intensely buttery flavor. It is a vicinal diketone (two C=O groups, side-by-side). Diacet ...
with mono- and diglycerides that are derived from edible sources. The major components are a glycerol molecule with a
stearic acid
Stearic acid ( , ) is a saturated fatty acid with an 18-carbon chain. The IUPAC name is octadecanoic acid. It is a waxy solid and its chemical formula is C17H35CO2H. Its name comes from the Greek word στέαρ "''stéar''", which means tall ...
residue, a
diacetyltartaric acid residue, and a free secondary
hydroxyl group
In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry, alcohols and carboxylic acids contain one or more hydroxy ...
.
Unlike other commercially used
dough emulsifiers, DATEM does not form
starch complex
Starch or amylum is a polymeric carbohydrate consisting of numerous glucose units joined by glycosidic bonds. This polysaccharide is produced by most green plants for energy storage. Worldwide, it is the most common carbohydrate in human diets ...
es. Its main function is as a strengthener. Typically DATEM is 0.375 to 0.5% of the total flour weight in most
commercial baking.
Manufacture
DATEM is derived from
tartaric acid
Tartaric acid is a white, crystalline organic acid that occurs naturally in many fruits, most notably in grapes, but also in bananas, tamarinds, and citrus. Its salt
Salt is a mineral composed primarily of sodium chloride (NaCl), a c ...
and monoglycerides and diglycerides.
Approval
In the United States, DATEM is
generally recognized as safe by the
Food and Drug Administration
The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food ...
(FDA) as specified in the
Code of Federal Regulations
In the law of the United States, the ''Code of Federal Regulations'' (''CFR'') is the codification of the general and permanent regulations promulgated by the executive departments and agencies of the federal government of the United States. ...
(21CFR184.1101).
DATEM is approved by the
European Food Safety Authority
The European Food Safety Authority (EFSA) is the agency of the European Union (EU) that provides independent scientific advice and communicates on existing and emerging risks associated with the food chain. EFSA was established in February 2002 ...
for use as food additive with the
E number
E numbers ("E" stands for "Europe") are codes for substances used as food additives, including those found naturally in many foods such as vitamin C, for use within the European Union (EU) and European Free Trade Association (EFTA). Commonly ...
E472e.
See also
*
Mono- and diglycerides of fatty acids
Mono- and diglycerides of fatty acids ( E471) refers to a naturally occurring class of food additive composed of diglycerides and monoglycerides which is used as an emulsifier. It is also used as a fruit coating agent. This mixture is also some ...
References
{{Reflist
Food emulsifiers
Food science
E-number additives
Glycerol esters