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2011•Junshi yixueRequires access

Chemical constituents of Smilax bracteata

Kang Liping

Open publisher page 1 citations

Abstract

Objective To investigate the chemical constituents of the rhizomes of Smilax bracteata.Methods The compounds were extracted with 60% alcohol and isolated by repeated column chromatography on macroporous adsorptive resins SP825 and silica gel.The compounds obtained were identified on the basis of spectral evidence.Results Five compounds Ⅰ-Ⅴwere identified as: 5,7-dihydroxy-chromone-3-O-α-L-rhamnopyranoside(Ⅰ),resveratrol(Ⅱ),astilbin(Ⅲ),neoisoastilbin(Ⅳ),catechin(Ⅴ),respectively.Conclusion The compounds Ⅰ-Ⅴ are isolated from Smilax bracteata for the first time.

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What this paper is about

Objective To investigate the chemical constituents of the rhizomes of Smilax bracteata.Methods The compounds were extracted with 60% alcohol and isolated by repeated column chromatography on macroporous adsorptive resins SP825 and silica gel.The compounds obtained were identified on the basis of spectral evidence.Results Five compounds Ⅰ-Ⅴwere identified as: 5,7-dihydroxy-chromone-3-O-α-L-rhamnopyranoside(Ⅰ),resveratrol(Ⅱ),astilbin(Ⅲ),neoisoastilbin(Ⅳ),catechin(Ⅴ),respectively.Conclusion The compounds Ⅰ-Ⅴ are isolated from Smilax bracteata for the first time.

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Available abstract

Objective To investigate the chemical constituents of the rhizomes of Smilax bracteata.Methods The compounds were extracted with 60% alcohol and isolated by repeated column chromatography on macroporous adsorptive resins SP825 and silica gel.The compounds obtained were identified on the basis of spectral evidence.Results Five compounds Ⅰ-Ⅴwere identified as: 5,7-dihydroxy-chromone-3-O-α-L-rhamnopyranoside(Ⅰ),resveratrol(Ⅱ),astilbin(Ⅲ),neoisoastilbin(Ⅳ),catechin(Ⅴ),respectively.Conclusion The compounds Ⅰ-Ⅴ are isolated from Smilax bracteata for the first time.

Key concepts: Chromone, Rhizome, Chemical constituents, Chromatography, Chemistry, Catechin, Silica gel, Column chromatography

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