ISOLATION AND STRUCTURE OF NEO-GAMBOGIC ACID FROM GAMBOGE (GARCINIA HANBURRYI)
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Abstract
A new yellow acidic component was isolated from Gamboge (Gareinia hanburryi) and named as neo-gambogic acid. Its structure was elucidated as. Ⅱ on the basis of spectroscopic (UV, IR, MS and 1HNMR) analyses and physicochemical constants. Gambogic acid (Ⅰ) was isolated simultaneously.
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