贮藏温度和时间对鲜湿米粉品质的影响
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(1. 长沙理工大学化学与生物工程学院,湖南 长沙 410114;2. 长沙市科技成果转化服务中心,湖南 长沙 410013)

作者简介:

祝红,女,长沙理工大学在读硕士研究生。

通讯作者:

易翠平(1973—),女,长沙理工大学教授,博士。E-mail:yicp963@163.com

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基金项目:

国家自然科学基金(编号:31771899);长沙市科技计划(编号:kh1703134)


Effects of storage temperature and duration on quality properties of fresh rice noodles
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(1. School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha, Hunan 410114, China; 2. Changsha Science and Technology Service Center, Changsha, Hunan 410013, China)

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    摘要:

    研究不同贮藏温度(4,25,37 ℃)下,放置0~30 h鲜湿米粉的菌落总数、质构特性、蒸煮特性、色差值及感官评定变化。结果表明,鲜湿米粉在4 ℃、30 h内菌落总数在安全范围内,产品的硬度和咀嚼性高于同时间的25 ℃组和37 ℃组,弹性低于二者的;25 ℃、18 h内菌落总数在安全范围内,整体质构特性要好于4 ℃组和37 ℃组;37 ℃、12 h内菌落总数在安全范围内,37 ℃的米粉硬度、弹性、咀嚼性高于同时间的25 ℃组和4 ℃组,黏性低于二者的。鲜湿米粉的蒸煮损失率均随着贮藏温度的升高和时间的延长而增大。4 ℃ 放置的米粉亮度在30 h内没有显著性变化(P>0.05),25 ℃和37 ℃的米粉亮度随着放置时间的延长逐渐变暗,37 ℃ 的最暗(P<0.05)。感官评定与前述测定结果基本一致。

    Abstract:

    Fresh rice noodles at the different temperatures(4, 25, 37 ℃)during 0~30 h storage, the total plate count (TPC), textural properties, cooking properties, color and sensory properties were analyzed. The results indicated that TPC of fresh rice noodles at 4 ℃ were within the safe range during 30 h, the hardness and chewiness of the products were higher than those of the 25 ℃ and 37 ℃ groups at the same storage time, the flexibility was relatively low; at 25 ℃, the TPC of fresh rice noodles were within the safe range during 18 h, the textural properties better than 4 ℃ and 37 ℃ groups; at 37 ℃, the TPC of fresh rice noodles were within the safe range during 12 h, the hardness, elasticity and chewiness were higher than thoes of the 25 ℃ and 4 ℃ groups, the sticky was relatively low. Different temperatures at the same time, the cooking properties of fresh rice noodles increased with the storage temperature and time. There was no significiant change in the brightness of rice noodles placed at 4 ℃ within 30 h (P>0.05), the brightness of rice noodles gradually darkened with the time at 25 ℃ and 37 ℃, the color of rice noodles were darkest at 37 ℃. The results of sensory evaluation were consistent with the above results.

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引用本文

祝红,王芳,易翠平.贮藏温度和时间对鲜湿米粉品质的影响[J].食品与机械,2018,34(3):132-136.
ZHUHong, WANGFang, YICuiping. Effects of storage temperature and duration on quality properties of fresh rice noodles[J]. Food & Machinery,2018,34(3):132-136.

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  • 收稿日期:2017-12-03
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  • 在线发布日期: 2023-03-17
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