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《Modern Food Science and Technology》 2007-09
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Extraction of Tea Polyphenols in Camellia Chryscath

YAN Dong-mei LI Ren-ju QIU Hua WANG Hei LI Xin (College of Light Industry and food Engineering,GuangXi University,Nanning 530004,China)  
The extraction of tea polyphenols (TPs) in dry Camellia chryscath was studied.The influence of some key factors on TPs extraction yield was investigated and the optimal ethanol concentration,solid-liquid ratio,microwave power,microwave heating time,dipping time under normal temperature before and after microwave treatment were found to be 30%,1:30,500 w,40 s,20 min and 1 h,respectively. Under the optimized extraction conditions,the extraction yield of TPs reached 9.36%.
【CateGory Index】: R284
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1 WANGYuan-ying1,HAO Zai-bin1,2,LI Ziyuan1,YANG Dan2(1.Department of Material and Chemical Engineering,Guilin Institute of Technology,Guilin 541004,China)(2.College of Life Science,Northeast Agriculture University,Harbin 150030,China);Extraction of Flavon from Different Kinds of Flowers and its Antioxidative Activity[J];Modern Food Science and Technology;2008-11
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7 Zhu Yuanping(Department of Biology,Guangdong Jiaying University,Meizhou 514015,China);Study on the Determination of Flavonoid Content in Pomelo Peels with Microwave Extraction—Ultraviolet Spectrophotometry[J];Guangdong Chemical Industry;2007-08
8 HUANG Ai-Ping XU Man-Cai XIAO Gu-Qing XIE Xiang-Lin(College of Chemistry and Chemical Engineering,Hunan Normal University,Changsha 410081,P.R.China);Total Flavones in Herba Plantaginis by Microwave-Assisted Extraction[J];Chinese Journal of Spectroscopy Laboratory;2007-03
9 XIAO Gu-Qinga,b LI Wang-Yinga DAI Dianba(Department of Chemistry and Environmental Engineering,Hunan City College,Yiyang,Hunan 413000,P.R.China)b(College of Chemistry and Chemical Engineering,Hunan Normal University,Changsha 410081,P.R.China);Total Flavones in Houttuynia Cordata Thunb by Microwave-Assisted Extraction[J];Chinese Journal of Spectroscopy Laboratory;2007-05
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【Secondary References】
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1 ZHOU Hua-sheng, ZHANG Lian-long, CHENG Heng-song, YE Ke-hang, GUO Jing, PU Ming-qing(Wuxi Gaint Pharmaceutical CO.,LTd, Wuxi 214091, China);A Comparison of Three Methods for Determination of Flavonids in Health Foods[J];Modern Food Science and Technology;2009-11
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