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Study on the microwave-assisted extraction of
polyphenols from tea |
| Liyun WANG,Peiyong QIN,Yan HU, |
| Laboratory of Bioprocess
of Beijing, Beijing University of Chemical Technology, Beijing 100029,
China; |
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Abstract This study demonstrated a promising method for quickly extracting tea polyphenol (TP) by microwave-assisted extraction (MAE) technology. Some influential parameters, including MAE temperature, microwave power, concentration of extraction solvent, MAE time and the solid/liquid ratio, were investigated. The optimum condition of MAE was obtained by dual extraction with 60% ethanol (v/v) and the solid/liquid ratio 1:12 g/mL at 80°C for 10 minutes under the microwave power 600 W. The yield of TP was 96.5% under the described condition. Compared with traditional methods, including hot reflux extraction (HRE), ultrasound-assisted extraction (UAE) and supercritical fluid extraction (SFE), the extraction time was saved 8 times than that of HRE, and the yield was increased by 17.5%. The extraction time at comparable levels of production was saved 2 times, and the energy consumption was one fourth that of UAE. The extraction time was saved 5 times than that of SFE, and the yield of TP was increased by 40%. Moreover, compared with MAE of TP studied by others, it decreased the solid/liquid ratio from 1 ∶ 20 to 1 ∶ 12 g/mL without 90-min pre-leaching time, and the yield of TP was increased by 6%–40%.
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Issue Date: 05 September 2010
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Kao Y H, Chang H H, Lee M J, Chen C L. Tea, obesity, and diabetes. Mol Nutr FoodRes, 2006, 50: 188―210
doi: 10.1002/mnfr.200500109
|
|
Tanizawa H, Toda S, Sazuka T, Taniyama T, Hayashi T, Arichi S, Takino Y. Naturalantioxidants. I. Antioxidative components of tea leaf (Thea sinensis L). Chen Pharm Bull, 1984, 32: 2011―2014
|
|
Zhao B L, Li X J, He R G, Cheng S J, Xin W J. Scavenging effect of extractsof green tea and natural antioxidants on active oxygen radicals. Cell Biophys, 1989, 14: 175―185
|
|
Ge Y Z, Jin H. New methodsfor extraction of tea polyphenols. ChinHerbal Med, 1994, 25: 124―125 (in Chinese)
|
|
Li J, Feng Y S. A study onextraction of tea polyphenols with supercritical carbon dioxide. Nat Prod Res Dev, 1996, 8: 42―47
|
|
Hu Q H, Jiang M, Zhu J C. Research on technology of extractionof tea caffeine and polyphenols. Nat ProdRes Dev, 1997, 9: 63―66
|
|
Liu Q D, Wang J Z, Xu N. Study of ultrasound-assisted extraction of tea polyphenolsby response surface optimization. Foodand Nutrition in China, 2008, 9: 40―44 (in Chinese)
|
|
Yu J C, Jin L, Bo E, Fan S D. Applicationof supercritical fluid extraction technique on tea polyphenols. Food Science and Technology, 2007, 2: 85―87 (in Chinese)
|
|
Hemwimon S, Pavasant P, Shotipruk A. Microwave-assisted extractionof antioxidative anthraquinones from roots of Morinda citrifolia. Chem Eng Prog, 2009, 42: 129―133
|
|
Xiao W H, Han L J, Shi B. Microwave-assisted extraction of flavonoidsfrom Radix Astragali. Sep Puri Tech, 2008, 62: 614―618
doi: 10.1016/j.seppur.2008.03.025
|
|
Rostagno M A, Palma M, Barroso C G. Microwave assisted extraction of soyisoflavones. Anal Chim Acta, 2007, 588: 274―282
doi: 10.1016/j.aca.2007.02.010
|
|
Chen Y, Xie M Y, Gong X F. Microwave-assisted extraction used forthe isolation of total triterpenoid saponins from Ganoderma atrum. J Food Eng, 2007, 81: 162―170
doi: 10.1016/j.jfoodeng.2006.10.018
|
|
Spigno G, Faveri D M D. Microwave-assisted extraction of tea phenols: A phenomenologicalstudy. J Food Eng, 2009, 93: 210―217
doi: 10.1016/j.jfoodeng.2009.01.006
|
|
Lin S, Gao X L, Yue P X, Yue L N. Optimization of microwave extraction process of TP by orthogonalmethod. Food Research and Development, 2009, 30: 52―55 (in Chinese)
|
|
Pan X J, Niu G G, Liu H Z. Microwave-assisted extraction of teapolyphenols and tea caffeine from green tea leaves. Chem Eng Pro, 2003, 42: 129―133
doi: 10.1016/S0255-2701(02)00037-5
|
|
Nkhili E, Tomao V, El Hajji H, El Boustani E S, Chemat F, Dangles O. Microwave-assisted water extraction of green tea polyphenols. Phytochem Anal, 2009, 20: 408―415
doi: 10.1002/pca.1141
|
|
Jing Q, Deng Y. Applicationof microwave in extracting tea-polyphenols. Leather and Chemicals, 2003, 20: 41―44 (in Chinese)
|
|
Xiong G H, Goodridge C, Wang L M, Chen Y, Pawliszyn J. Microwave-assistedheadspace solid-phase microextraction for the analysis of bioemissionsfrom Eucalyptus citriodora leaves. J AgriFood Chem, 2003, 51: 7841―7847
doi: 10.1021/jf0346105
|
|
Gfrerer M, Lankmayr E. Screening,optimization and validation of microwave-assisted extraction for thedetermination of persistent organochlorine pesticides. Anal Chim Acta, 2005, 533: 203―211
doi: 10.1016/j.aca.2004.11.016
|
|
Hemwimon S, Pavasant P, Shotipruk A. Microwave-assisted extractionof antioxidative anthraquinones from roots of morinda citrifolia. Sep Purif Tech, 2006, 25: 192―199
|
|
Rostagno M A, Palma M, Barroso C G. Ultrasound-assisted extraction of soyisoflavones. J Chrom, 2003, 1012: 119―128
doi: 10.1016/S0021-9673(03)01184-1
|
|
Li H, Bo C, Zhang Z, Yao S. Fousedmicrowave-assisted solvent extraction and HPLC determination of effectiveconstituents in Eucommia ulmodies oliv(E ulmodies). Talanta, 2004, 63: 659―665
doi: 10.1016/j.talanta.2003.12.028
|
|
Chen Y, Xie M Y, Gong X F. Microwave-assisted extraction used forthe isolation of total triterpenoid saponins from Ganoderma atrum. J Food Eng, 2007, 81: 162―170
doi: 10.1016/j.jfoodeng.2006.10.018
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