Agent Name

Isocitric acid

CAS Number

320-77-4

Formula

C6-H8-O7

Major Category

Other Classes

Category

Organic Acids

Sources/Uses

"Isocitric acid is a protonated form of isocitrate, which is a substrate of the citric acid cycle. . . . Isocitric acid is commonly used as a marker to detect the authenticity and quality of fruit products, most often citrus juices. In authentic orange juice, for example, the ratio of citric acid to D-isocitric acid is usually less than 130. An isocitric acid value higher than this may be indicative of fruit juice adulteration." [Wikipedia]

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