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中国精品科技期刊2020
张宁,徐丽娜,王展,等. 木糖醇对糯米粉理化性质及汤圆品质的影响[J]. 食品工业科技,2024,45(7):51−58. doi: 10.13386/j.issn1002-0306.2023040253.
引用本文: 张宁,徐丽娜,王展,等. 木糖醇对糯米粉理化性质及汤圆品质的影响[J]. 食品工业科技,2024,45(7):51−58. doi: 10.13386/j.issn1002-0306.2023040253.
ZHANG Ning, XU Lina, WANG Zhan, et al. Effects of Xylitol on Physicochemical Properties of Glutinous Rice Flour and Quality of Glutinous Rice Dumplings[J]. Science and Technology of Food Industry, 2024, 45(7): 51−58. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2023040253.
Citation: ZHANG Ning, XU Lina, WANG Zhan, et al. Effects of Xylitol on Physicochemical Properties of Glutinous Rice Flour and Quality of Glutinous Rice Dumplings[J]. Science and Technology of Food Industry, 2024, 45(7): 51−58. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2023040253.

木糖醇对糯米粉理化性质及汤圆品质的影响

Effects of Xylitol on Physicochemical Properties of Glutinous Rice Flour and Quality of Glutinous Rice Dumplings

  • 摘要: 将不同添加量(0%~25%)的木糖醇添加至糯米粉中构建木糖醇-糯米粉共混体系,探讨木糖醇对糯米粉的糊化特性、热力学特性、凝胶质构、流变学特性和消化特性等性质以及对其制成的汤圆品质的影响。结果表明:木糖醇的添加使共混体系的糊化温度、峰值黏度和终值黏度有所提高,体系的短程有序程度降低,体系表现为假塑性流体,具有剪切稀化行为。与对照组相比,木糖醇添加量为10%时,共混体系的回生值和凝胶硬度最小,分别为405 cP和14.952 g,体系抗性淀粉含量为29.88%,表现出较好的抗回生性。但高浓度木糖醇(15%~25%)促进体系发生短期回生,增加其回生值和弹性。另外,木糖醇的添加显著降低了汤圆的冻藏水分损失率和汤汁透过率,其中添加10%的木糖醇制成的汤圆具有更高的硬度、弹性、回复性以及咀嚼性,食用品质最好。本研究为木糖醇改善糯米粉品质以及糯米粉产品开发提供参考。

     

    Abstract: Xylitol with different content (0%~25%) was added to glutinous rice flour to construct a xylitol-glutinous rice flour blend system to investigate the effects of xylitol on the gelatinization properties, thermodynamic properties, gel texture, rheology properties and digestion properties of glutinous rice flour, as well as on the quality of rice dumpling made from xylitol-glutinous rice flour. The results showed that the addition of xylitol increased the gelatinization temperature, peak viscosity and final viscosity of the xylitol-glutinous rice flour, while reduced the degree of short-range order of xylitol-glutinous rice flour. The xylitol-glutinous rice flour system behaved as a pseudoplastic fluid with shear thinning behavior. Compared with the control group, when the addition of xylitol was 10%, the xylitol-glutinous rice flour blend system had the smallest retrogradation value and gel hardness, which were 405 cP and 14.952 g, respectively. At this time, the content of resistant starch in the system was 29.88%, showing good retrogradation resistance. However, high content of xylitol (15%~25%) promoted the short-term regeneration of the xylitol-glutinous rice flour blend system, increasing its regeneration value and elasticity. Furthermore, the addition of xylitol significantly reduced the water loss rate and juice permeability of rice dumpling made of xylitol glutinous rice flour. Rice dumpling made of glutinous rice flour with 10% xylitol had high hardness, elasticity, resilience and chewability, and its eating quality was the best. This study provides a theoretical and technical references for the improvement of the quality of glutinous rice flour through xylitol and the product development of glutinous rice flour.

     

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