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  • Title: [Studies on the chemical constituents of the root of Desmos cochinchinensis Lour].
    Author: Liao SX, Han GY, Zhang YR, Zheng QT, He CH.
    Journal: Yao Xue Xue Bao; 1989; 24(2):110-3. PubMed ID: 2801131.
    Abstract:
    Desmos cochinchinensis as a folk medicine is used for treatment of malaria in China. Pharmacological studies showed that the petroleum ether extract of the root of the plant exhibited anti-malarial activity. Three flavonoids were isolated from this extract, of which two were identified as lawinal and isounonal. Compound III is a new flavanol. On the basis of spectroscopic analyses (UV, IR, MS, 1HNMR, 13CNMR and X-RD) the structure was established as 4,7-dihydroxyl-5-methoxyl-6-methyl-8-formyl-flavan. I and II were found from this plant for the first time.
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