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Titolo:
Oleanane saponins from Gymnema sylvestre
Autore:
Ye, WC; Zhang, QW; Liu, X; Che, CT; Zhao, SX;
Indirizzi:
Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China Hong Kong Univ Sci & Technol Kowloon Hong Kong Peoples R China s R China China Pharmaceut Univ, Dept Phytochem, Nanjing 210009, Peoples R China China Pharmaceut Univ Nanjing Peoples R China 210009 09, Peoples R China Chinese Univ Hong Kong, Sch Chinese Med, Shatin, Hong Kong, Peoples R China Chinese Univ Hong Kong Shatin Hong Kong Peoples R China Peoples R China
Titolo Testata:
PHYTOCHEMISTRY
fascicolo: 8, volume: 53, anno: 2000,
pagine: 893 - 899
SICI:
0031-9422(200004)53:8<893:OSFGS>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
PULSATILLA-CHINENSIS; CONSTITUENTS; LEAVES;
Keywords:
Gymnema sylvestre; Asclepiadaceae; oleanane saponins;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Che, CT Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China Hong Kong Univ Sci & Technol Kowloon Hong Kong Peoples R Chinaa
Citazione:
W.C. Ye et al., "Oleanane saponins from Gymnema sylvestre", PHYTOCHEM, 53(8), 2000, pp. 893-899

Abstract

Six oleanane-type saponins, along with two known triterpene saponins, wereisolated from the leaves of Gymnema sylvestre. The structures of the oleanane triterpene glycosides were characterized as longispinogenin 3-O-beta-D-glucuronopyranoside, 21 beta-benzoylsitakisogenin 3-O-beta-D-glucuronopylanosyl, 3-O-beta-D-glucopyanosyl(1-->6)-beta-D-glucopyranosyl oleanolic acid 28-O-beta-D-glucopy ranosyl ester, oleanolic acid 3-O-beta-D-xylopyranosyl(1-->6)-beta-D-glucopyranosyl(1-->6)-beta-D-glucopyranoside, 3-O-beta-D-xylopyranosyl(1-->6)-beta-D-glucopyranosyl(1-->6)-beta-D-glucopyranosyl oleanolic acid 18-O-beta-D-glucopyranosyl ester and 3-O-beta-D-glucopymnosyl(1-->6)-beta-D-glucopyranosyl oleonolic acid 28-beta-D-glucopyranosyl(1-->6)-beta-D-glucopyranosyl ester on the basis of hydrolysis and spectral evidence, including 1D- and 2D-NMR (TOCSY, ROESY, HMQC and HMBC) and FABMS analyses. (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/09/20 alle ore 10:43:04