Abstract: The current study targets the chemical constituents of Caesalpinia decapetala (Roth) Alston and investigates the bioactivities of the isolated compounds. Fourteen known compounds were isolated using column chromatography, and structural identification was performed by physical and spectral analyses. The biological activities of the compounds were also evaluated by 3-(4,5-dimethythiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) and 2,2-diphenlyl-1-picrylhydrazyl (DPPH) assays. Emodin (6), baicalein (9), and apigenin (12) displayed antitumor activities against the MGC-803 cell line, while quercetin (2), rutin (5), baicalein (9), and epicatechin (13) showed stronger DPPH scavenging activities compared with ascorbic acid. Andrographolide (1), quercetin (2), bergenin (4), rutin (5), emodin (6), betulin (7), baicalein (9), polydatin (10), salicin (11), and apigenin (12), were obtained from C. decapetala (Roth) Alston for the first time.
Keywords: Caesalpinia decapetala (Roth) Alston; chemical constituents; structure elucidation; MTT; DPPH
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Wei, X.-H.; Yang, S.-J.; Liang, N.; Hu, D.-Y.; Jin, L.-H.; Xue, W.; Yang, S. Chemical Constituents of Caesalpinia decapetala (Roth) Alston. Molecules 2013, 18, 1325-1336.
Wei X-H, Yang S-J, Liang N, Hu D-Y, Jin L-H, Xue W, Yang S. Chemical Constituents of Caesalpinia decapetala (Roth) Alston. Molecules. 2013; 18(1):1325-1336.
Wei, Xiao-Hua; Yang, Sheng-Jie; Liang, Na; Hu, De-Yu; Jin, Lin-Hong; Xue, Wei; Yang, Song. 2013. "Chemical Constituents of Caesalpinia decapetala (Roth) Alston." Molecules 18, no. 1: 1325-1336.