Glycerol ester of wood rosin (or gum rosin), also known as glyceryl abietate or ester gum, is an oil-soluble
food additive (
E number E445). The food-grade material is used in foods, beverages, and cosmetics to keep oils in
suspension
Suspension or suspended may refer to:
Science and engineering
* Suspension (topology), in mathematics
* Suspension (dynamical systems), in mathematics
* Suspension of a ring, in mathematics
* Suspension (chemistry), small solid particles suspende ...
in water,
WHO Food Additives Series 35: 836. Glycerol ester of wood rosin
/ref> and its name may be shortened in the ingredient list as glycerol ester of rosin. It is also used as an ingredient in the production of chewing gum and ice cream.
To make the glycerol ester of wood rosin, refined wood rosin is reacted with 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 known ...
to produce the glycerol 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 a ...
.
Glycerol ester of wood rosin is an alternative to brominated vegetable oil
Brominated vegetable oil (BVO) is a complex mixture of plant-derived triglycerides that have been reacted to contain atoms of the element bromine bonded to the molecules. Brominated vegetable oil is used primarily to help emulsify citrus-flavored ...
in citrus oil-flavored soft drinks. In some cases, both ingredients are used together.
References
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External links
Standard Terminology Relating to Pine Chemicals, Including Tall Oil and Related Products
Resins
Food additives
Adhesives
E-number additives