文献类型： 外文期刊
第一作者： Li, Wei
作者： Li, Wei;Zhai, Jun-Wen;Wu, Sha-Sha;Fu, Jia-Rui;Ni, Lin;Liu, Jun-Qing;Zheng, Li-Jun;Zhou, Zhuang
作者机构：
关键词： Orchidaceae; Pleione grandiflora (Rolfe) Rolfe; pseudobulbs; new bibenzyl compounds; antioxidant
期刊名称：NATURAL PRODUCT RESEARCH （ 影响因子：2.488； 五年影响因子：2.51 ）
ISSN： 1478-6419
年卷期：
页码：
收录情况： SCI
摘要： Two new bibenzyls (1 and 2) were isolated from the pseudobulbs of Pleione grandiflora (Rolfe) Rolfe along with six known compounds, including isoarundinin I (3), isoarundinin II (4), bulbocodin D (5), batatasin III (6), 5,3'-dihydroxy- 4-(p-hydroxybenzyl)-3-methoxybibenzyl (7) and shancigusin F (8). Their structures were established on the basis of spectroscopic methods. These compounds showed potent DPPH free radical scavenging effects with IC50 values ranging from 49.72 +/- 0.35 mu M to 65.41 +/- 0.49 mu M.
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