Pectin oligosaccharides from hawthorn (Crataegus pinnatifida Bunge. Var. major): Molecular characterization and potential antiglycation activities

文献类型： 外文期刊

第一作者： Zhu, Rugang

作者： Zhu, Rugang;Zhang, Xinyu;Wang, Yu;Zhang, Lijiao;Wang, Congya;Hu, Fengqing;Ning, Chong;Chen, Gang

作者机构：

关键词： Hawthorn; Polysaccharide; Purification; Pectin oligosaccharides; Antiglycation activity

期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）

ISSN： 0308-8146

年卷期： 2019 年 286 卷

页码：

收录情况： SCI

摘要： The crude polysaccharide was extracted from hawthorn (Crataegus pinnatifida Bunge. Var. major) and a salt-eluted polysaccharide (SPS-2) was fractionated by DEAE cellulose-52 chromatography. Monosaccharide composition and Fourier-transform infrared (FT-IR) analysis indicated that the SPS-2 contained 72.3% galacturonic acid and may be pectin. The results of antiglycation activity in vitro showed that the medium molecular weight pectin oligosaccharide (MM-POS) had the highest antiglycation activity among SPS-2 degradation products. Moreover, the MM-POS obtained by enzymatic degradation had stronger antiglycation activity than that by ultrasonic assisted enzymatic degradation. Composition analysis of MM-POS obtained from ultrasound-assisted enzymatic degradation showed that polygalacturonans content decreased from 85.1% to 61.9% but the arabinan and rhamnogalacturonans increased from 10.6% to 22.7% and from 3.5% to 13.2%, respectively, compared to the MM-POS obtained from enzymatic degradation. This study will provide a theoretical basis for the application of POSs in the food field, especially the exploitation of antiglycation agents.

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