Separation and determination of chemical constituents in the roots of Rhus javanica L. var. roxburghiana

From the roots of Rhus javanica L. var. roxburghiana, to tally thirty-seven known com pounds have been isolated and identified. Their structures were elucidated based on their spectral analysis as well as comparison with authentic samples. These com pounds were grouped to be fifteen triterpenoids, five steroids, two lignans, two flavonoids, nine phenolics, and four other aromatic derivatives. Their cytotoxicities toward two cell lines NUGC-3 and HONE-1 were also evaluated.