Abstract: 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-β-D-apio-furanosyl-(1''→6')-O-β-D-glucopyranoside (14) and 4-hydroxy-3-methoxyphenol 1-O-β-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
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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.
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(10):12330-12340.
Wen, Qingwei; Lin, Xing; Liu, Yeqi; Xu, Xiaohui; Liang, Tao; Zheng, Ni; Kintoko; Huang, Renbin. 2012. "Phenolic and Lignan Glycosides from the Butanol Extract of Averrhoa carambola L. Root." Molecules 17, no. 10: 12330-12340.