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Rheological Properties of Polysaccharides from Longan (Dimocarpus longan Lour.) Fruit

文献类型: 外文期刊

作者: Liu, Xingxun 1 ; Luo, Yongyue 2 ; Zha, Chunjie 2 ; Zhou, Sumei 1 ; Liu, Liya 1 ; Zhao, Lei 3 ;

作者机构: 1.Chinese Acad Agr Sci, IAPPST, Beijing 100193, Peoples R China

2.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Chinese Agr Minist Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Peoples R China

3.South China Agr Univ, Coll Food Sci, Guangzhou 510642, Guangdong, Peoples R China

期刊名称:INTERNATIONAL JOURNAL OF POLYMER SCIENCE ( 影响因子:2.642; 五年影响因子:3.004 )

ISSN: 1687-9422

年卷期: 2015 年

页码:

收录情况: SCI

摘要: Longan polysaccharide (LP) was extracted from longan (Dimocarpus longan Lour.) pulp. The composition and rheological properties were determined by chemical analysis and dynamic shear rheometer. The flow behavior and viscoelastic behavior of longan polysaccharide (LP) solution were investigated by steady shear and small amplitude oscillatory shear (SAOS) experiments, respectively. The result shows that the solution is a pseudoplastic flow in a range of shear rate (1-100 s(-1)). The rheological behavior of LP was influenced by cations such as Na+ and Ca2+. With an increase of apparent viscosity, G' and G '' were accompanied by addition of Na+ and Ca2+.

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