Xiu-he Fan

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A new isocoumarin derivative 8,5'-dihydroxy-6'-methoxy-4-phenyl-5,2'-oxidoisocoumarin (1) and a new stilbenoid derivative methyl 5-hydroxy-2-(2-hydroxyphenyl)benzofuran-4-carboxylate (2) together with nine known compounds (3-11) were isolated from the tubers of Sparganium stoloniferum Buch.-Ham.. Another stilbenoid derivative (3) and a xanthone (4) were(More)
OBJECTIVE To establish a simple, rapid and efficient method for determination of different inorganic elements in Euryale Semen from different habitats. METHODS Inductively coupled plasma-optical emission spectrometry(ICP-OES) was applied to determine inorganic elements in Euryale Semen, and the results were analyzed by principal component analysis. (More)
Based on the infrared spectra of Lophatheri Herba and Commelinae Herba, one-dimensional infrared spectra, second derivative spectra and two-dimensional correlated spectra were used to find out the differences between Lophatheri Herba and its imitations, respectively. The common peak ratio and variant peak ratio dual-indexes sequential were calculated and(More)
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