N-Butanol-Soluble Chemical Constituents from Bamboo Juice
LIN Kai-peng1,2, FU Hui-zheng2*, ZHOU Zhi-qiang2, YAO Jin-long2, ZHAO Qing-qun2, LUO Yue-hua2*
1. Pharmaceutical Department, Nanchang University, Nanchang 330006, China; 2. Jiangxi Provincial Institute for Drug Control, Jiangxi Provincial Engineering Research Center for Drug and Medical Device Quality, Nanchang 330029, China
Abstract：OBJECTIVE To study the chemical constituents of bamboo juice. METHODS The compounds were isolated and purified by column chromatography on silica gel, ODS, macroporous resin, MPLC and HPLC. Their structures were elucidated by NMR spectroscopic evidence and compared with those in literature. RESULTS Fifteen compounds were isolated and identified as (+)-lyoniresinol-3α-O-β-D-glucopyranoside (1), 5,5'-dimethoxylariciresinol-4'-O-β-D-glucopyranoside (2), syringaresinol 4'-O-β-D-glucopyroside (3), (-)-4-epi-lyoniresinol (4), (-)-lyoniresinol -2α-O-β-D-glucopyranoside (5), (+)-lyoniresinol (6), 8,8'-bisdihydrosiringenin glucoside (7), 2,4,6-trimethoxyphenyl-1-O-β-D-glucopyranoside (8), threo-8S-7-meth-oxysyringylglycerol (9), salidroside (10), (7S,8R)syringoylglycerol (11), syringaldehyde (12), 2,6-dimethoxy-1,4-benzoquinone (13), n-butyl-β-D-fructopyranoside (14), and n-butyl pyroglutamate (15).CONCLUSION Compounds 1-11 and 14-15 are isolated from bamboo juice for the first time. Compounds 14 and 15 are β-D-fructopyranoside and pyroglutamic acid artifacts produced during the extraction.
林凯鹏, 付辉政, 周志强, 姚金龙, 赵青群, 罗跃华. 鲜竹沥正丁醇部位的化学成分研究[J]. 中国药学杂志, 2020, 55(16): 1325-1330.
LIN Kai-peng, FU Hui-zheng, ZHOU Zhi-qiang, YAO Jin-long, ZHAO Qing-qun, LUO Yue-hua. N-Butanol-Soluble Chemical Constituents from Bamboo Juice. Chinese Pharmaceutical Journal, 2020, 55(16): 1325-1330.
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2020, Vol. 55 
