Citric Acid

[Gregory]

also known as sour salt. A white powder extracted from the juice of citrus and other acidic fruits (such as lemons, limes, pineapples and gooseberries). Its also produced by the fermentation of glucose. Citric acid has a strong, tart taste and is used as a flavoring agent.

[Julene]

a weak acid found in many types of fruit, especially oranges and lemons