Study on Decolorization Technology of Dendrobium nobile Lindl. Polysaccharides by Macroporous Resin

doi:10.3969/j.issn.1673-1689.2018.02.016

Home > Archive>Volume 37, Issue 2, 2018 >211-216. DOI:10.3969/j.issn.1673-1689.2018.02.016

Study on Decolorization Technology of Dendrobium nobile Lindl. Polysaccharides by Macroporous Resin
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                        10.3969/j.issn.1673-1689.2018.02.016
                    
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Comparing decolorization rate and polysaccharide retention rate could be used as reference indexes，throughadopting the static adsorption to assess the best macroporous resins among AB-8，LSA700，LSD762，D101 and D900.The result showed D900 macroporous resin was the best while decolorizing polysaccharides. Besides，on the basis of Box-Behnken design principles，we adopted the method of response surface methodology in order to optimizing the resin decolorization technology of Dendrobium nobile Lindlpolysaccharides. The results turned out that thedecolorization temperature was superior to the time and the dosage of resin.Simultaneously，the interaction effects of time with temperature and resin on the decolorization rate had significant influence.The optimal decolorization conditions were as follows：decolorization time of 3.7 h，temperature of 40 ℃ and 0.33 g/mL resin. Under this conditions，the actual decolorization rate and polysaccharide retention rate of Dendrobium nobile Lindlpolysaccharides were 82.7 % and 76.5 %.

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ZHANG Yu, LV Wenping, KOU Xingran, QI Mingyue, ZHANG Luyue, LIU Chengxiang, WANG Hongxin. Study on Decolorization Technology of Dendrobium nobile Lindl. Polysaccharides by Macroporous Resin[J]. Journal of Food Science and Biotechnology,2018,37(2):211-216.

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