FOOD SCIENCE ›› 2008, Vol. 29 ›› Issue (9): 174-177.

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Extraction of Flavonoids from Seed of Wild Jujube by Complex Enzyme Method

 ZHANG  Ming-Chun, JIE  Jun-Bo, LI  Ting, CHEN  Yan-Fen, DIAO  Rui-Li, MA  Gu-Chun, MA  Zhan-Xin, QU  Jing-Bo   

  1. School of Biotechnology and Food Science,Tianjin University of Commerce,Tianjin Key Laboratory of Food Biotechnology,Tianjin 300134,China
  • Online:2008-09-15 Published:2011-12-08

Abstract: Objective: To increase extraction rate flavonoids from seed of wild jujube. Methods: The complex enzyme method and water extraction method of flavonoids were optimized respectively, and they were compares. Results: The optimal extraction conditions of flavonoids by complex enzyme method are hydrolysis temperture 40℃, pH of hydrolysis ratio of celluase to pectinase to pectinase 1:1, enzyme amount 30 U/g seed of wild jujube and hydrolysis time 5 h. Conclusion: The extraction rate of flavonoids by complex enzyme technology is 54.67% higher than that by traditional water exaction.

Key words: seed of wild jujube, flavonoids, extraction