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800x600 Two mixture s of flavanoid compounds ( 1 and 2 ), a mixture of catechin ( 1a ) and epicatechin ( 1b ) , and a mixture of gallocatechin ( 2a ) and epigallocatechin ( 2b ) , were isolated from the active fraction of the stem bark of Aglaia elliptica methanol extract. The chemical structure of the compounds w as identified with spectroscopic data , including UV, IR, NMR ( 1 H, 13 C, DEPT 135°, HMQC, HMBC, 1 H- 1 H COSY) , and MS, and additionally compared with previously reported spectral data. All compounds were evaluated for their cytotoxic effects against P-388 murine leukemia cells. Compound 2 showed cytotoxicity against the P-388 murine leukemia cell , with an IC 50 value of 7.79 µg/mL, but compound 1 wa s found not to be active ( more than 100 µg/mL ) . Normal 0 false false false EN-ID X-NONE X-NONE

Activity of Cytotoxic Flavanoids against a P-388 Murine Leukemia Cell Line from the Stem Bark of Aglaia elliptica (Meliaceae)