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枸杞多糖流变学特性研究
Rheological Property of Polysaccharides from Chinese Wolfberry
【摘要】 流变学特性是多糖的重要性质,它间接反映了多糖的结构变化。采用黏度计测定了枸杞多糖的黏度,研究了多糖浓度、温度、热处理时间、pH值、NaOH、抗氧化剂VC、氧化剂H2O2以及金属离子对枸杞多糖黏度的影响。实验结果表明,多糖浓度、温度、热处理时间、pH值、NaOH、抗氧化剂VC、氧化剂H2O2以及金属离子对枸杞多糖黏度都有不同程度的影响。
【Abstract】 Effects of polysaccharide concentration, temperature, heat treatment time, pH, NaOH, VC, H2O2 and metallic ions on viscosity of Chinese wolfberry polysaccharides, which was measured using a viscometer, were examined in this study. Results revealed these factors could affect viscosity of Chinese wolfberry polysaccharides to differ entextent.
【关键词】 枸杞多糖;
黏度;
流变学特性;
【Key words】 Chinese wolfberry polysaccharide; viscosity; rheological property;
【Key words】 Chinese wolfberry polysaccharide; viscosity; rheological property;
- 【文献出处】 食品科学 ,Food Science , 编辑部邮箱 ,2009年21期
- 【分类号】R151
- 【被引频次】43
- 【下载频次】810