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  • Title: Preparation of purified fractions for polysaccharides from Monetaria moneta Linnaeus and comparison their characteristics and antioxidant activities.
    Author: Yuan J, Chen S, Wang L, Xu T, Shi X, Jing Y, Zhang H, Huang Y, Xu Y, Li D, Chen X, Chen J, Xiong Q.
    Journal: Int J Biol Macromol; 2018 Mar; 108():342-349. PubMed ID: 29222014.
    Abstract:
    The aim of this paper was to prepare purified fractions of polysaccharides from Monetaria moneta Linnaeus and further compare their characteristics and antioxidant activities. Firstly, three novel purified fractions, named MM-P1, MM-P2 and MM-P3, were successfully prepared by a DEAE-Sepharose fast-flow column. Then, their characteristics were compared using chemical testing, FT-IR, GC and HPGPC. The results suggested that MM-P3 had higher molecular weights than MM-P1 and MM-P2. MM-P1 was consisted of glucose, MM-P2 was consisted of glucose and xylose, and MM-P3 was comprised of glucose, xylose and mannose. Differed from MM-P1 and MM-P2, MM-P3 had sulfuric radical and uronic acid groups. Finally, their antioxidant activities were also compared. We found that MM-P3 exhibited better antioxidant bioactivities than MM-P1 and MM-P2. The data demonstrated that three purified fractions derived from different adsorption capacity of DEAE-Sepharose fast-flow column possessed different structural characteristics and antioxidant activity.
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