The chemical constituents of Draconis Sanguis were preliminarily studied by macroporous resin,silica gel,dextran gel,and high-performance liquid chromatography.One retro-dihydrochalcone,four flavonoids,and one stilbene were isolated.Their chemi-cal structures were identified as 4-hydroxy-2,6-dimethoxy-3-methyldihydrochalcone(1),4'-hydroxy-5,7-dimethoxy-8-methylflavan(2),7-hydroxy-4',5-dimethoxyflavan(3),(2S)-7-hydroxy-5-methoxy-6-methylflavan(4),(2S)-7-hydroxy-5-methoxyflavan(5),and pterostilbene(6)by modern spectroscopy,physicochemical properties,and literature comparison.Compound 1 was a new com-pound.Compounds 2 and 6 were first found in the Arecaceae family.Compound 5 had the potential to prevent and treat diabetic kidney disease.
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