科研之友
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摘要
A new stilbenoid, gramniphenol K (1) was isolated from Arundina graminifolia. Its structure was elucidated by spectroscopic methods including extensive 1D- and 2D-NMR techniques. The cytotoxicity of gramniphenol K was evaluated against five human tumor cell lines, and it showed cytotoxicity against A549, SHSY5Y and MCF7 cells with IC50 values of 6.2, 7.5 and 4.7 mu M, respectively.
