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Molecules 2012, 17(10), 12330-12340; doi:10.3390/molecules171012330

Phenolic and Lignan Glycosides from the Butanol Extract of Averrhoa carambola L. Root

1, 1, 1, 1
1 Pharmaceutical College, Guangxi Medical University, No. 22, Shuangyong Road, Nanning, Guangxi 530021, China 2 Department of Pediatrics, Louisiana State University Health Sciences Center, the Research Institute for Children Children’s Hospital, 200 Henry Clay Avenue, New Orleans, LA 70118, USA
* Author to whom correspondence should be addressed.
Received: 26 September 2012 / Revised: 11 October 2012 / Accepted: 12 October 2012 / Published: 19 October 2012
(This article belongs to the Section Natural Products)
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Fifteen compounds, which included six chiral lignans and nine phenolic glycosides, were separated from the butanol fraction of Averrhoa carambola L. root and identified. All of the compounds, namely 3,4,5-trimethoxyphenol-1-O-β-D-glucopyranoside (1), benzyl-1-O-β-D-glucopyranoside (2), (+)-5'-methoxyisolariciresinol 3α-O-β-D-gluco-pyranoside (3), (+)-isolariciresinol 3α-O-β-D-glucopyranoside (4), koaburaside (5), (+)-lyoniresinol 3α-O-β-D-glucopyranoside (6), (−)-lyoniresinol 3α-O-β-D-glucopyranoside (7), (−)-5'-methoxyisolariciresinol 3α-O-β-D-glucopyranoside (8), (−)-isolariciresinol 3α-O-β-D-glucopyranoside (9), 3,5-dimethoxy-4-hydroxyphenyl 1-O-β-apiofuranosyl (1''→6')-O-β-D-glucopyranoside (10), 3,4,5-trimethoxyphenyl 1-O-β-apiofuranosyl (1''→6')-β-gluco-pyranoside (11), methoxyhydroquinone-4-β-D-glucopyranoside (12), (2S)-2-O-β-D-gluco-pyranosyl-2-hydroxyphenylacetic acid (13), 3-hydroxy-4-methoxyphenol 1-O-D-apio-furanosyl-(1''→6')-O-β-D-glucopyranoside (14) and 4-hydroxy-3-methoxyphenol 1-O-D-apiofuranosyl-(1''→6')-O-β-D-glucopyranoside (15) were isolated from this plant for the first time.
Keywords: phenolic and lignan glycosides; Averrhoa carambola L.; butanol extract phenolic and lignan glycosides; Averrhoa carambola L.; butanol extract
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Wen, Q.; Lin, X.; Liu, Y.; Xu, X.; Liang, T.; Zheng, N.; Kintoko; Huang, R. Phenolic and Lignan Glycosides from the Butanol Extract of Averrhoa carambola L. Root. Molecules 2012, 17, 12330-12340.

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