2011•Journal of Beijing Technology and Business UniversityRequires access

Extraction and Quantitative Determination of Flavonoids in Sorghum

Zhiguo Huang

Abstract

Extraction of flavonoids in sorghum using ethanol was studied.The effects of ethanol concentration,temperature,extraction time,and ratio of material to solvent were studied.The optimum conditions of extraction were obtained as follows: 65% ethanol,solid/liquid ratio of 6∶100,extraction time of 120 min under 80℃ under the optimal conditions,the content of total flavonoids was 0.54%.

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Key concepts: Extraction (chemistry), Ethanol, Chromatography, Chemistry, Solvent, Sorghum, Organic chemistry, Agronomy