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    Yao Xue Xue Bao. 1989;24(2):110-3.

    [Studies on the chemical constituents of the root of Desmos cochinchinensis Lour].

    [Article in Chinese]

    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.

    PMID:
    2801131
    [PubMed - indexed for MEDLINE]

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