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- W2351118070 abstract "Objective The study was aimed to further investigate the purification process of anthocyanins from Ipamoea batatas residue after water extraction for pigment, in order to provide the theoretical basis and reference for the comprehensive development and utilization of I. batatas residue. Methods The depurated performance of AB-8 macroporous adsorption resin was investigated through static adsorption and desorption,dynamic adsorption and desorption experiments. Then the crude extraction of anthocyanins from I. batatas residue was purified. Results The AB-8 macroporous adsorption resin had strong adsorption capacity for anthocyanins from crude extraction of I. batatas residue, with the adsorption rate of 81.47%. The solution with p H 1.5 had the best adsorption effect on anthocyanin. The best desorption rate of anthocyanins was 65.69% when 2BV of 80% ethanol was used as eluent with flow rate of 1m L/min. After evaporation and concentration, the concentrated solution of anthocyanins was froze and dried in ultra low temperature freezer of-80℃ to obtain powder. The purity of anthocyanins from I. batatas residue was 91.37% after purification two times on AB-8 macroporous adsorption resin.Conclusion The purification process of anthocyanins from I. batatas residue after water extraction for pigment with AB-8 macroporous adsorption resin has a good purification effect. The method is simple and feasible. The pure anthocyanin products from residue could be applied in biological activity research and practical production." @default.
- W2351118070 created "2016-06-24" @default.
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- W2351118070 date "2015-01-01" @default.
- W2351118070 modified "2023-09-26" @default.
- W2351118070 title "Purification Process of Anthocyanins from Ipamoea batatas Residue after Water Extraction for Pigment" @default.
- W2351118070 hasPublicationYear "2015" @default.
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