Study on the Extraction Technology of Total Flavonoids From Hawthorn Leaf in Alkaline Conditions(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on the Extraction Technology of Total Flavonoids From Hawthorn Leaf in Alkaline Conditions

Author(s):: JIAO Lei¹; CHAI Meng-ying¹; SHI Ming-sheng¹; CAO Yue-min¹; ZHAO Yun-hua²; 1.Henan Vocational College of Agriculture，Zhengzhou,Henan 451450;
2.Huixian Nine Ju Xian Nong Mao Co.Ltd.,Xinxiang,Henan 453600

Abstract:: Taking hawthorn leaf as material,based on the different ratio of liquid to solid、pH、extraction temperature、extraction time，the single factor and orthogonal design experiments were conducted,and the optimal extraction process of total flavonoids from hawthorn leaves was obtained.The results showed that ratio of liqutid to material was 25∶1 mL/g,pH was 8.5,extraction temperature was 90℃ extracting with 60% ethanol in 3 h.Verifing in these conditions，flavonoids extracting reached 7.97 mg/g.

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Last Update: 2014-08-12