Aspartame: An Overview

Aspartame is an intense, low-calorie artificial sweetener used as a sugar substitute in a wide variety of foods and beverages. It is approximately 200 times sweeter than sucrose (table sugar), meaning only a very small amount is needed to achieve the desired sweetness.

Chemical Properties and Brand Names

Chemically, aspartame is a methyl ester of the dipeptide composed of two amino acids: L-aspartic acid and L-phenylalanine. Its chemical formula is C₁₄H₁₈N₂O₅.

Common Uses

Because of its intense sweetness and low caloric content, aspartame is a popular ingredient in:

Diet sodas and other carbonated soft drinks

Sugar-free gums

Low-calorie desserts and puddings

Tabletop sweeteners (packets and tablets)

Yogurts and dairy products

Certain pharmaceuticals and vitamins

Taste and Stability

One of aspartame's distinctive features is its clean, sugar-like taste without the bitter aftertaste associated with some other artificial sweeteners. However, it has a significant drawback: it is not stable under high heat or in acidic conditions for prolonged periods. This makes it unsuitable for baking or for products that require a long shelf life.

Summary

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