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Titolo:
TRITERPENOID SAPONINS FROM GYMNEMA-SYLVESTRE
Autore:
SAHU NP; MAHATO SB; SARKAR SK; PODDAR G;
Indirizzi:
INDIAN INST CHEM BIOL,4 RAJA SC MULLICK RD CALCUTTA 700032 W BENGAL INDIA SCH TROP MED,DEPT CHEM CALCUTTA 700073 W BENGAL INDIA
Titolo Testata:
Phytochemistry
fascicolo: 4, volume: 41, anno: 1996,
pagine: 1181 - 1185
SICI:
0031-9422(1996)41:4<1181:TSFG>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
MAGNETIC-RESONANCE SPECTROSCOPY; FAST ATOM BOMBARDMENT; ANTISWEET PRINCIPLES; MASS-SPECTROMETRY; R BR; ACIDS; CONSTITUENTS; LEAVES;
Keywords:
GYMNEMA SYLVESTRE; ASCLEPIADACEAE; GYMNEMASINS A, B, C AND D; GYMNEMANOL; TRITERPENES; TRITERPENOID SAPONINS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
N.P. Sahu et al., "TRITERPENOID SAPONINS FROM GYMNEMA-SYLVESTRE", Phytochemistry, 41(4), 1996, pp. 1181-1185

Abstract

Besides six known gymnemic acids, four new tritepenoid saponins, gymnemasins A, B, C and D, isolated from the leaves of Gymnema sylvestre, were identified as 3-O-[beta-D-glucopyranosyl(1 --> eta-D-glucuronopyranosyl]-22-O-tigloyl-gymnemanol, 3-O-[beta-D-glucopyranosyl (1 --> 3)-beta-D-glucuronopyranosyl]-gymnemanol, 3-O-beta-D-glucuronopyranosyl-22-O-tigloyl-gymnema and 3-O-beta-D-glucuronopyranosyl-gymnemanol, respectively. The aglycone, gymnemanol, which is a new compound, was characterized as 3 beta,16 beta,22 alpha,23,28-pentahydroxyolean-12-ene.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/09/20 alle ore 10:24:36