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Physicochemical properties and prebiotic activities of polysaccharides from Zizyphus jujube based on different extraction techniques

文献类型： 外文期刊

作者： Zou, Xiaoqin 1 ; Xiao, Jiaxi 1 ; Chi, Jianwei 1 ; Zhang, Mingwei 1 ; Zhang, Ruifen 1 ; Jia, Xuchao 1 ; Mei, Deng 1 ; Dong, Lihong 1 ; Yi, Yang 2 ; Huang, Fei 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Key Lab Funct Foods, Minist Agr & Rural Affairs,Guangdong Key Lab Agr, Guangzhou 510610, Peoples R China

2.Wuhan Polytech Univ, Coll Food Sci & Engn, Wuhan 430023, Peoples R China

3.Wuhan Polytech Univ, Hubei Key Lab Proc & Transformat Agr Prod, Wuhan 430023, Peoples R China

关键词： Jujube polysaccharide extraction; Physicochemical properties; Prebiotic activity

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.2； 五年影响因子：7.8 ）

ISSN： 0141-8130

年卷期： 2022 年 223 卷

页码：

收录情况： SCI

摘要： Zizyphus jujube polysaccharide was extracted with hot water, ultrahigh pressure, deep eutectic solvent (DES) and ultrahigh pressure-assisted DES. Comparative analyses were conducted on the yield, physicochemical properties and prebiotic activity of four polysaccharides (JP-H, JP-U, JP-D and JP-UD). The yield of JP-UD (10.42 %) was 3.3 times that of JP-H (3.12 %), and its sugar content was the highest. JP-UD possessed the lowest Mw, while JP-H possessed the highest. Four JPs were acidic pyranose and mainly composed of galacturonic acid, arabinose and galactose. NMR results demonstrated that they contained not only similar glycosidic linkage but also the specific glycosidic linkage of -> 4)-alpha-D-Glcp-(l -> appeared in JP-U and JP-UD, the esterified units of GalA and CONH2 group appeared in JP-D and JP-UD, and the Terminal beta-D-Galp and -> 4)-alpha-GalpA-(1 -> appeared in JP-UD. JPs showed different proliferation effects on four lactobacillus strains, among which JP-UD exhibited the strongest prebiotic activity. Zizyphus jujube polysaccharides have great potential for application in the functional food and medical industry.

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