Chemical constituents from Rabdosia japonica var. glaucocalyx / 中成药

ABSTRACT

AIM: To investigate the chemical constituents of Rabdosia japonica var.glaucocalyx,gathed from Liaoning Province,China METHODS: The ethyl acetate-soluble portion was isolated and purified by means of chromatography.Their structures were identified by spectral analysis. RESULTS: Eight compounds were identified as Glaucocalyxin A(Ⅰ),Glaucocalyxin B(Ⅱ),2?-hydroxyursolic acid(Ⅲ),oeanlic acid(Ⅳ),acacetin(Ⅴ),stigmasterol(Ⅵ),apigenin-7-(O-glucoside)(Ⅶ) and stigmasterol-3-O-glucoside(Ⅷ). CONCLUSION: compounds Ⅴ,Ⅵ,Ⅶ and Ⅷ are isolated from the plant for the first time.