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Abstract
The present study was designed to investigate the chemical constituents of Lindera nacusua and their antitumor activities. A new phenolic glycoside, namely 1-O-3-hydroxyphenyl-5-methoxyphenol-(6′-O-vanilloyl)-β-d-glucopyranoside (1), together with five known phenolic glycosides (2–6), two anthraquinones (7, 8) and two γ-butanolides (9, 10), was isolated, and its structure was elucidated by spectroscopic and chemical methods. Compounds 1–10 were screened for their in vitro cytotoxicities against HL-60, SMMC-7721, A549, MCF-3 and SW480 cell lines by the MTS method. Compounds 9 and 10 showed moderate cytotoxicities with IC50 values ranging from 17.40 to 35.21 μM.
Acknowledgements
The authors are grateful to the members of the analytical group of Chengdu Institute of Biology, Chinese Academy of Sciences, for the spectral measurements.
