Anti-inflammatory diterpenes from the fruits of Vitex trifolia L. var. simplicifolia Cham
2019
Fang, Shi-Ming | Liu, Rui | Li, Lin | Yao, Jin-Long | Liu, Er-Wei | Fan, Guan-Wei | Zhang, Han | Gao, Xiu-Mei
Two new labdane-type diterpenes, named viterotulin C (1) and vitexilactone D (2), together with five known diterpenes (3–7), were isolated from the fruits of Vitex trifolia L. var. simplicifolia Cham. Their structures were elucidated by detailed analysis of spectroscopic data. All the compounds were evaluated for their inhibitory effects on nuclear factor-kappa B (NF-κB) pathway in HEK 293 cell line. These compounds presented inhibition on TNF-α-induced NF-κB activation, with inhibition rates ranging from 42.52 ± 10.69% to 68.86 ± 10.76% at the concentration of 50 μM.
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