Studies on taste modifiers. II. Purification and structure determination of gymnemic acids, antisweet active principle from Gymnema sylvestre leaves☆

Add time:08/19/2019    Source:sciencedirect.com

Two major active components of gymnemic acids were isolated in pure state. Their chemical structures were established as D-glucuronide of 3β,16β,21β,22α,23,28-hexahydroxyolean-12-ene which is esterified with tiglic acid or 2-methylbutyric acid at 21-C hydroxy group, respectively. The antisweet activity of these compounds is discussed in relation to their structures.

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