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Extraction of resveratrol

Jun 01, 2020

Natural plant extraction: crude res was extracted from Polygonum cuspidatum and purified. The crude extraction technology mainly includes organic solvent extraction, alkali extraction and enzyme extraction. The microwave-assisted extraction, CO2 supercritical extraction, ultrasonic assisted extraction and other new methods of chemical book are also applied. The purpose of purification is to separate the CIS and trans isomers of resveratrol and resveratrol glycosides from the crude res to obtain trans resveratrol. The commonly used purification methods are chromatography, silica gel column chromatography, thin layer chromatography, high performance liquid chromatography and so on.

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