Aspartame
Overview
 
Aspartame is an artificial, non-saccharide sweetener used as a sugar substitute
Sugar substitute
A sugar substitute is a food additive that duplicates the effect of sugar in taste, usually with less food energy. Some sugar substitutes are natural and some are synthetic. Those that are not natural are, in general, called artificial sweeteners....

 in some foods and beverages. In the European Union, it is codified as E951
E number
E numbers are number codes for food additives that have been assessed for use within the European Union . They are commonly found on food labels throughout the European Union. Safety assessment and approval are the responsibility of the European Food Safety Authority...

. Aspartame is a methyl ester
Ester
Esters are chemical compounds derived by reacting an oxoacid with a hydroxyl compound such as an alcohol or phenol. Esters are usually derived from an inorganic acid or organic acid in which at least one -OH group is replaced by an -O-alkyl group, and most commonly from carboxylic acids and...

 of the aspartic acid
Aspartic acid
Aspartic acid is an α-amino acid with the chemical formula HOOCCHCH2COOH. The carboxylate anion, salt, or ester of aspartic acid is known as aspartate. The L-isomer of aspartate is one of the 20 proteinogenic amino acids, i.e., the building blocks of proteins...

/phenylalanine
Phenylalanine
Phenylalanine is an α-amino acid with the formula C6H5CH2CHCOOH. This essential amino acid is classified as nonpolar because of the hydrophobic nature of the benzyl side chain. L-Phenylalanine is an electrically neutral amino acid, one of the twenty common amino acids used to biochemically form...

 dipeptide
Dipeptide
A dipeptide is a molecule consisting of two amino acids joined by a single peptide bond.Dipeptides are produced from polypeptides by the action of the hydrolase enzyme dipeptidyl peptidase. Dietary proteins are digested to dipeptides and amino acids, and the dipeptides are absorbed more rapidly...

. It was first sold under the brand name NutraSweet
NutraSweet
The NutraSweet Company makes and sells NutraSweet, their trademarked brand name for the artificial sweetener aspartame, and Neotame.Aspartame was accidentally discovered in 1965 by James M. Schlatter, a chemist with a master's degree working under Dr. Kurt Rorig, PhD, in charge of new drug research...

; since 2009 it also has been sold under the brand name AminoSweet. It was first synthesized in 1965 and the patent expired in 1992.

The safety of aspartame
Aspartame controversy
The artificial sweetener aspartame has been the subject of several controversies since its initial approval by the U.S. Food and Drug Administration in 1974...

 has been the subject of several political and medical controversies, congressional hearing
Congressional hearing
Congressional hearings are the principal formal method by which committees collect and analyze information in the early stages of legislative policymaking. Whether confirmation hearings — a procedure unique to the Senate — legislative, oversight, investigative, or a combination of these, all...

s and internet hoaxes since its initial approval for use in food products by the U.S.
 
x
OK