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中国精品科技期刊2020
曲金萍, 陈金玉, 张亚杰, 张坤生, 任云霞. 玉米淀粉与食用胶共混体系理化性质的研究[J]. 食品工业科技, 2019, 40(10): 1-5. DOI: 10.13386/j.issn1002-0306.2019.10.001
引用本文: 曲金萍, 陈金玉, 张亚杰, 张坤生, 任云霞. 玉米淀粉与食用胶共混体系理化性质的研究[J]. 食品工业科技, 2019, 40(10): 1-5. DOI: 10.13386/j.issn1002-0306.2019.10.001
QU Jin-ping, CHEN Jin-yu, ZHANG Ya-jie, ZHANG Kun-sheng, REN Yun-xia. Physicochemical Properties of Corn Starch and Edible Hydrocolloid Mixed System[J]. Science and Technology of Food Industry, 2019, 40(10): 1-5. DOI: 10.13386/j.issn1002-0306.2019.10.001
Citation: QU Jin-ping, CHEN Jin-yu, ZHANG Ya-jie, ZHANG Kun-sheng, REN Yun-xia. Physicochemical Properties of Corn Starch and Edible Hydrocolloid Mixed System[J]. Science and Technology of Food Industry, 2019, 40(10): 1-5. DOI: 10.13386/j.issn1002-0306.2019.10.001

玉米淀粉与食用胶共混体系理化性质的研究

Physicochemical Properties of Corn Starch and Edible Hydrocolloid Mixed System

  • 摘要: 本文以玉米淀粉和食用胶(卡拉胶、果胶)为研究对象,探讨了不同配比的共混体系透光度、凝沉性、凝胶特性以及流变学等指标的变化。结果显示,随着食用胶加入量的增加,混合体系的透光度逐渐下降,当玉米淀粉和食用胶复配比例为9.5:0.5 g/g时透光度最好,透光度分别为0.356(卡拉胶)、0.679(果胶)。混合体系静置相同时间时,随着食用胶比例的增多,混合体系的凝沉性呈现逐渐增强的趋势。静态流变学实验显示,混合体系的表观粘度随着剪切速率的增加而逐渐减小,直至趋于平稳;动态流变学结果表明,混合体系的粘弹性随着食用胶比例的增加而增加。

     

    Abstract: In this paper,corn starch and edible glue(carrageenan and pectin)were used as the research objects to discuss changes of blend system transparency,retrogradation,gel property and rheology with different proportions. The experiment showed that with the increase of edible addition, blend system transparency was gradually reduced. When the mixed proportion between corn starch and edible glue was 9.5:0.5 g/g,the transparency was the best. Their transparency respectively reached 0.356(carrageenan)and 0.679(pectin). When the blend system had the same stewing time,with the increase of edible glue proportion,retrogradation of the blend system was present in the gradually enhanced tendency. The static rheology experiment showed that apparent viscosity of the blend system was reduced with the increase of shearing rate until it tended to be stable. The dynamic rheology results indicated that viscoelasticity of the blend system was increased with the increase of edible glue ratio.

     

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