Yan-bing Wu

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Three new water-soluble compounds, pungens A-C, along with four known compounds including two phenol glycosides, one secoiso-flavanol and one phenol ether, have been isolated from the bark of Elaeagnus pungens. Among them, pungen C (7) (200 microg/ml) was tested in SGC-7901 and BEL-7404 tumor cell lines, and showed moderate cytotoxic activity. The(More)
In this paper, for improving the integrative controlling effect of Trichoderma harzianum, effect of 14 pesticides on T. harzianum was studied with growth rate method and the circle of inhibiting bacterium method. The results suggested that all 14 tested pesticides with different concentration showed different controlling effect on mycelia growth of T.(More)
In this study, two novel flavan derivatives, namely, rhusjavanins A and B, along with two known flavans 2,3-trans-3,4-trans-3,4,7,4'-tetrahydroxyflavan and 2,3-trans-3,4-cis-3,4,7,4'-tetrahydroxyflavan, have been isolated from the roots of Rhus javanica. The structures were elucidated on the basis of spectroscopic data.
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