Correct Answer: C
Explanation:
Aspartame is an artificial, non-saccharide sweetener used as a sugar substitute in some foods and beverages. It is a methyl ester of the aspartic acid and phenylalanine dipeptide. It was first sold under the brand name NutraSweet. It was first synthesized in 1965. Aspartame is approximately 200 times sweeter than sucrose (table sugar). Due to this property, even though aspartame produces four kilocalories of energy per gram when metabolized.