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个人信息Personal Information
教授
博士生导师
硕士生导师
性别:男
毕业院校:大连理工大学
学位:博士
所在单位:生物工程学院
学科:生物化工. 生物工程与技术
联系方式:zhlxiu@dlut.edu.cn
电子邮箱:zhlxiu@dlut.edu.cn
Microwave-assisted aqueous two-phase extraction of piceid, resveratrol and emodin from Polygonum cuspidatum by ethanol/ammonium sulphate systems
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论文类型:期刊论文
发表时间:2008-12-01
发表刊物:BIOTECHNOLOGY LETTERS
收录刊物:SCIE、EI、PubMed、Scopus
卷号:30
期号:12
页面范围:2079-2084
ISSN号:0141-5492
关键字:Emodin; Ethanol/ammonium sulphate; Microwave-assisted aqueous two-phase extraction; Piceid; Polygonum cuspidatum; Resveratrol
摘要:Microwave-assisted, aqueous two-phase extraction was investigated to obtain effective constituents, including piceid, resveratrol and emodin in Polygonum cuspidatum. An aqueous two-phase system consisting of 25% (w/w) ethanol 21% (w/w) (NH(4))(2)SO(4) gave equal yields of piceid, and 1.1- and 1.9-times higher yields of resveratrol and emodin, respectively, than that achieved by microwave-assisted extraction and heat reflux extraction. Three-separate operations, extraction, clarification and concentration, are hereby integrated into a single step to get higher yields at lower cost. This is therefore a potentially useful method for the extraction and purification of target products.