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仪器网/ 行业应用/ 解决方案/ 运用高速逆流色谱从何首乌根茎中分离纯化化学成分

运用高速逆流色谱从何首乌根茎中分离纯化化学成分

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Abstract: High-speed counter-current chromatography methods,combined with solvent partition, were applied to the systematic separation and purification of chemical components from Chinese medicinal herb Polygonum multiflorum extract. The aim of this paper is summing up the rules of solvent system selection for diverse fractions of herbal extract, and establishing the systematic pattern to screen the bioactive constituents rapidly. Nine compounds including emodin, chrysophanol, rhein, 6-OH-emodin, emodin-8--d-glucoside, polygonimitin B, 2,3,5,4-tetrahydroxystilbene-2--d-glucoside, gallic acid and an unkown glycoside, which differed in quantity and polarity remarkably, were obtained. The purities of them were all
above 97% as determined by high-performance liquid chromatography (HPLC), and their structures were identified by H-NMR and electrospray ionization mass spectrometry (ESIMS). The results demonstrated that HSCCC is a speedy and efficient technique for systematic isolation of bioactive components from traditional medicinal herbs. TBE-1000A制备色谱仪/萃取仪/快速分离制备色谱仪 TBE300B+AKTA高速逆流色谱仪/离心分配色谱/萃取仪/制备色谱仪 TBE-200V 高速逆流色谱仪
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