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Optimization of Ultrasonic Extraction of Polyphenols from the Leaves of Picea wilsonii(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年22期
Page:
138-140
Research Field:
Publishing date:

Info

Title:
Optimization of Ultrasonic Extraction of Polyphenols from the Leaves of Picea wilsonii
Author(s):
ZHENG Tao; SU Rui; ZHAO Yun-mei; GAO Zhi-hui; FAN Jin-shuan
College of Forestry,Northwest Agricultural and Forestry University,Yangling,Shaanxi 712100
Keywords:
Picea wilsonii; polyphenols; extraction; orthogonal test
PACS:
S 791. 18
DOI:
-
Abstract:
Taking the leaves of Picea wilsonii as material,ethanol as extraction solvent,adopting ultrasonic extraction method,the extraction of polyphenols was investigated by orthogonal test method.The results showed that the influence factors on the extraction rate of polyphenols was the order of material liquid ratio>ultrasonic power>ultrasonic temperature>ultrasonic time,and the optimum condition was material liquid ratio 1∶60 g/mL,ultrasonic power 350 W,ultrasonic temperature 45℃,ultrasonic time 35 min,under the condition,the polyphenols extraction rate was 34.72%.

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Last Update: 2014-08-07