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《Journal of Anhui Agricultural Sciences》 2008-07
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Study on the De-coloration of Chicory Inulin by Active Carbon Method

WU Hong-xin et al (Grassland Research Institute,Chinese Academy of Agricultural Sciences, Hohhot,Inner Mongolia 010020)  
[Objective]The study aimed to seek for an optimum technology for decoloring chicory inulin.[Method]The decoloration experiment was conducted on chicory inulin solution by active carbon and the optimum decoloration condition was confirmed through single factor and orthogonal experiments.With glucose as standard,the total sugar was determined by anthrone colorimetry and the reducing sugar was determined by 3,5-dinitro-salicylic acid(DNS) method.[Result]The factors influencing decoloration by active carbon in order were decoloration timedecoloration temperatureactive carbon dosage.The maximum absorption wavelength of coloured matters in extracts was 550 nm,under which the optimum technological condition was confirmed through orthogonal experiment,i.e.temperature of 60 ℃,active carbon dosage of 20 g/L and time of 40 min.Under this technological condition,the determined average content and average decoloration rate of inulin were 21.287 8 mg/ml and 60.098% resp.,with relative standard deviation of 0.139 8%.[Conclusion]The effect of decoloring inulin extracts by active carbon method was better.
【Fund】: 优质高效草食畜牧业综合技术研究及产业化(2002K01-G5-1)
【CateGory Index】: S567.239
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【Citations】
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1 WANG Qi-wei,HU Qi-lin,JI Ling(College of Chemistry &Chemical Engineering,Ningxia University,Yinch uan 750021,China);Denuding the pigment in the extract liquid of haliantus tuber by ion exchange process[J];Ningxia Engineering Technology;2003-01
【Co-citations】
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1 WU Hong-xin et al (Institute of Grassland Research,Chinese Academy of Agricultural Sciences,Huhhot,Inner Mongolia 010020);Study On the Detection of Inulin by the Method of UV-VIS Spectrophotometry[J];Journal of Anhui Agricultural Sciences;2008-13
2 WANG Xiao-xia et al (Department of Biological and Chemical Engineering, Xianyang College of Vocational Technology , Xianyang, Shaanxi 712000);Study on Hydrolysis Technology of Chicory Inulin[J];Journal of Anhui Agricultural Sciences;2008-21
3 LI Jing-qi (College of Life Science, Shaanxi Institute of Education,Xi’an,Shaanxi 710061);Enzymatic Browning and Its Control During Sweet Stem Tuber Processing of The Artichoke[J];Journal of Anhui Agricultural Sciences;2008-21
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5 LI Haitao1,LIU Zhiyang2,WANG Qing1,QIU Changting3,TONG Bihua1, LI Hailong1,SU Huiqin1,GAO Jiguo1 (1. College of Life Sciences, Northeast Agricultural University, Harbin 150030, China; 2. Harbin Agricultural Research Institute, Harbin 150070, China; 3. College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China);Relevance of the different soybean variety between raffinose and total sugar in Heilongjiang Province[J];Journal of Northeast Agricultural University;2008-05
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1 XU Ya-mei~(1,2),HU Tian-ming~(1*),ZHANG Cun-li~3,WU Hong-xin~1,YANG Ya-li~1(1 College of Animal Science and Technology,Northwest Sci-Tech University of Agriculture and Forestry,Yangling,Shaanxi 712100,China;2 Department of Animal Husbandry and Veterinarian,Tibetan Agriculture and Animal Husbandry College,Linzhi,Tibet 860000,China;3 College of Forestry,Northwest Sci-Tech University of Agriculture and Forestry,Yangling,Shaanxi 712100,China);Anti-microbial Activities of the Extracts from Cichorium intybus L.Roots[J];Acta Botanica Boreali-Occidentalia Sinica;2006-03
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