科研之友
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摘要
A new triterpenoid bearing octacosanoate, named taraxer-3 beta-yl octacosanoate (1), together with 13 known compounds (2-14), was isolated from the ethanol extract of the stems and roots of Clerodendrum philippinum var. simplex. The structure of taraxer-3 beta-yl octacosanoate (1) was elucidated by extensive spectroscopic analysis. Uncinatone (8) and clerodenone A (10) exhibited inhibition of lipopolysaccharide-induced nitric oxide production in RAW 264.7 macrophages with IC50 values of 12.50 and 3.18 mu M, respectively.
- 出版日期2015-7-3
- 单位中国科学院西双版纳热带植物园; 云南中医药大学
