超声波法辅助提取松针多酚

J4 ›› 2012, Vol. 50 ›› Issue (01): 147-152.

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UltrasonicAssisted Extraction of Polyphenol fromNeedles of Pinus prokoraiensis

XUN Erna¹, ZHANG Chunli², XIE Xiaona³, CHEN Shuping², ZHOU Xinhui¹,WANG Jiaxin^1, WANG Lei¹, WANG Zhi¹

1. Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, Jilin University,Changchun 130012, China|2. College of Phy
sical Education, Jilin University, Changchun 130012, China;3. Department of Endocrinology, First Hospital of Jilin University, Changchun 130021, China

Received:2011-06-17 Online:2012-01-26 Published:2012-03-06
Contact: WANG Lei E-mail:wanglei@jlu.edu.cn

Abstract

Abstract:

Polyphenol was extracted from the needles of Pinus prokoraiensis by means of ultrasound with ethanol as solvent. Effects of ethanol
volume concentration, liquid to solid ratio (V(solvent) ∶[KG-*3]m(needle)), ultrasonic wave power, ultrasonic temperature as well as ultrasonic time were investigated and then the optimum extraction conditions were screened out. Under the optimum conditions, extraction time could be decreased by 3 h and extraction quantity of total polyphenol (52.97 mg/g) could be achieved under ultrasound. Compared with that of ethanol extraction, the extraction quantity was increased by a factor of 25.76% through ultrasonicassisted extraction.

Key words: needles of Pinus prokoraiensis, polyphenol, ultrasound, extraction

CLC Number:

R284.2

XUN Erna1, ZHANG Chunli2, XIE Xiaona3, CHEN Shupin. UltrasonicAssisted Extraction of Polyphenol fromNeedles of Pinus prokoraiensis[J].J4, 2012, 50(01): 147-152.

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UltrasonicAssisted Extraction of Polyphenol fromNeedles of Pinus prokoraiensis

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