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OBJECTIVE To study the chemical constituents and bacteriostatic activity of Psammosilene tunicoides. METHOD Such methods as silica gel column chromatography and gel column chromatography were adotped separate and purify the compounds, and their structures were indentified on the basis of their spectral data and physicochemical properties. RESULT Ten(More)
OBJECTIVE To establish an HPLC fingerprint of ethyl acetate extraction of Saxifraga stolonifera. METHOD The HPLC analysis was performed on a Diamonsil C18 (4.6 mm x 250 mm, 5 microm) column with isocratic elution of acetonitrile-0.05% phosphoric acid at a flow rate of 1.0 mL x min(-1). The detection wavelength was set at 256 nm and the column temperature(More)
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