YE Furong
Abstract
Flavonoids were extracted from Perilla frutescens leaves by ethanol extraction method.The optimum technical conditions were determined as follows through single factor test and orthogonal experiments: 55 %vol ethanol,temperature at 60 ℃,the ratio of solids to liquid was 1∶16(g/v),4 h extraction,and extraction twice.
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Flavonoids were extracted from Perilla frutescens leaves by ethanol extraction method.The optimum technical conditions were determined as follows through single factor test and orthogonal experiments: 55 %vol ethanol,temperature at 60 ℃,the ratio of solids to liquid was 1∶16(g/v),4 h extraction,and extraction twice.
Key concepts: Perilla frutescens, Perilla, Extraction (chemistry), Chromatography, Chemistry, Ethanol, Food science, Organic chemistry