基于低场核磁共振分析与成像探究贮藏过程中板栗水分迁移对其质构变化的影响

宋珊珊; 耿阳阳; 冯涛池; 胡伯凯; 刘亚娜; 王纪辉; 何佳丽; 梁美; 谭化美

doi:10.13386/j.issn1002-0306.2020030262

基于低场核磁共振分析与成像探究贮藏过程中板栗水分迁移对其质构变化的影响

宋珊珊¹,
耿阳阳^2,3, ,,
冯涛池⁴,
胡伯凯^2,3,
刘亚娜^2,3,
王纪辉^2,3,
何佳丽^2,3,
梁美^2,3,
谭化美^2,3

1. 遵义医药高等专科学校, 贵州遵义 563000;
2. 贵州省核桃研究所, 贵州贵阳 550005;
3. 贵州省林业科学研究院, 贵州贵阳 550005;
4. 国网济南供电公司, 山东济南 250000

基金项目:

贵州省科技创新人才团队"贵州省木本粮油加工科技创新人才团队(黔科合平台人才[2020]5003)"。

贵州省基础研究计划项目"基于转录组解析板栗石灰化发生分子机理(黔科合基础[2018]1093)"

详细信息

作者简介:
宋珊珊(1988-),女,硕士,中级,研究方向:营养与食品卫生,E-mail:song.ss333@163.com。

通讯作者:
耿阳阳(1987-),男,硕士,中级,研究方向:农产品贮藏加工,E-mail:yygengfood@sina.cn。

中图分类号: TS255.1
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出版历程
- 收稿日期: 2020-03-19
- 网络出版日期: 2020-12-06
- 刊出日期: 2020-12-14

Based on the Analysis and Imaging of Low Field Nuclear Magnetic Resonance,Explore the Influence of Chestnut Moisture Migration to the Change of Its Texture in the Storage Process

1. Zunyi Medical College, Zunyi 563000, China;
2. Guizhou Institute of Walnut, Guiyang 550005, China;
3. Guizhou Academy of Forestry, Guiyang 550005, China;
4. State Grid Jinan Power Supply Company, Jinan 250000, China

摘要

摘要: 本文为探究水分迁移对板栗品质的影响,以黔产仓更板栗为试验原料,运用LF-NMR、TPA检测技术,研究板栗采后贮藏期间水分含量、水分相态变化、质构变化及其相关性。结果表明:黔产仓更板栗出仁率高;板栗含结合水、不易流动水、自由水,贮藏期间板栗不易流动水转化为结合水、自由水,稳定板栗内部结构;板栗水分含量与板栗质构指标内聚性、弹性呈显著正相关(P<0.05);板栗水分中不易流动水与板栗内聚性、弹性呈显著正相关(P<0.05);板栗自由水与板栗弹性呈显著正相关;板栗结合水的变化对板栗品质无显著性影响。研究结果为后续深入研究板栗脱水敏感性和安全含水量,促进板栗保鲜、保质奠定了基础。
- 低场核磁共振 /
- 质地多方面分析 /
- 板栗 /
- 水分迁移 /
- 质构变化
Abstract: In order to explore the effect of water migration on the quality of chestnut,taking the Canggeng chestnut produced in Guizhou province as test materials and applying the LF-NMR,TPA detection technology,explore the moisture content,the change of moisture state,texture and their correlation during the process of the chestnut storage.The result shows:The Canggeng chestnut produced in Guizhou possesses high kernel yield. Chestnut contains bound water,immobilized water and free water. To stabilize the internal structure of Chestnut,some immobilized water convert to bound water and another immobilized water convert to free water during the process of the chestnut storage. The moisture content in Canggeng chestnut produced in Guizhou province had a prominent positive correlation with chestnut texture index cohesiveness and springiness,immobilized water in chestnut moisture had a prominent positive correlation(P<0.05)with its cohesiveness and springiness,chestnut free water had a prominent positive correlation with its springiness,the change of chestnut bound water had no prominent effect to its quality. The results would lay a foundation for further study on dehydration sensitivity and safe water content of chestnut,and promote the preservation and quality of chestnut.
- low field nuclear magnetic resonance /
- multiple texture analysis /
- chestnut /
- moisture migration /
- texture change

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