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2015•Journal of Guangdong Pharmaceutical UniversityRequires access

Study on the phenolic constituents from the roots of Ilex Asprella

Deng Guiqi

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Abstract

Objective To investigate the phenolic constituents from Ilex Asprella. Methods The chemical constituents were isolated by macroporous resin,reverse phase silica gel and Sephadex LH-20 column chromatography. Their structures were elucidated with spectral analysis. Results Six compounds were isolated and identified as caffeic acid( Ⅰ),methyl caffeate( Ⅱ),chlorogenic acid( Ⅲ),cyclohexanecarboxylic acid( Ⅳ),3,5-dicaffeoylquinic acid methyl ester( Ⅴ),syringaldehyde( Ⅵ).Conclusion Compound Ⅱ-Ⅵ were isolated from this plant for the first time.

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What this paper is about

Objective To investigate the phenolic constituents from Ilex Asprella. Methods The chemical constituents were isolated by macroporous resin,reverse phase silica gel and Sephadex LH-20 column chromatography. Their structures were elucidated with spectral analysis. Results Six compounds were isolated and identified as caffeic acid( Ⅰ),methyl caffeate( Ⅱ),chlorogenic acid( Ⅲ),cyclohexanecarboxylic acid( Ⅳ),3,5-dicaffeoylquinic acid methyl ester( Ⅴ),syringaldehyde( Ⅵ).Conclusion Compound Ⅱ-Ⅵ were isolated from this plant for the first time.

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Available abstract

Objective To investigate the phenolic constituents from Ilex Asprella. Methods The chemical constituents were isolated by macroporous resin,reverse phase silica gel and Sephadex LH-20 column chromatography. Their structures were elucidated with spectral analysis. Results Six compounds were isolated and identified as caffeic acid( Ⅰ),methyl caffeate( Ⅱ),chlorogenic acid( Ⅲ),cyclohexanecarboxylic acid( Ⅳ),3,5-dicaffeoylquinic acid methyl ester( Ⅴ),syringaldehyde( Ⅵ).Conclusion Compound Ⅱ-Ⅵ were isolated from this plant for the first time.

Key concepts: Syringaldehyde, Chemistry, Caffeic acid, Chlorogenic acid, Silica gel, Sephadex, Chromatography, Column chromatography

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