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Structure studies of new antisweet constituents from Gymnema sylvestre

โœ Scribed by Kazuko Yoshikawa; Kayoko Amimoto; Shigenobu Arihara; Kouji Matsuura

Book ID
104232814
Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
222 KB
Volume
30
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

Gymnemic acid I , II , III and IV have been isolated from hot water extract of leaves of Sy mnema svlvestre R. Br. as antisweet principles. The whole structures uere determined by chemical and spectroscopic means.

๐Ÿ“œ SIMILAR VOLUMES

Studies on taste modifiers. II. Purifica
Studies on taste modifiers. II. Purification and structure determination of gymnemic acids, antisweet active principle from Gymnema sylvestre leaves
โœ Morihiko Maeda; Takashi Iwashita; Yoshie Kurihara ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 232 KB

Two major active components of gymnemic acids were isolated in pure state. Their chemical structures were established as D-glucuronide of 38,16P,21@,22a,23,28-hexahydroxyolean-12-ene which is esterified with tiglic acid or 2-methylbutyric acid at 21-C hydroxy group, respectively. The antisweet activ