宁夏富硒大米的矿物元素判别及品质评价
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杨晓忱(1990—),女,宁夏粮油产品质量检测中心工程师,硕士。E-mail:250456912@qq.com

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宁夏回族自治区重点研发计划项目(编号:2020ZDYF0884)


Mineral element discrimination of Seleniumenriched rice in Ningxia and its quality evaluation
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    摘要:

    目的:考察宁夏富硒大米与普通大米间的元素差异,并分析评价其理化品质。方法:以宁夏当地25份不同品牌大米样品为研究对象,采用电感耦合等离子体质谱仪(ICP-MS)测定两种大米样品的26种矿物元素,并对这些元素进行多元统计分析。结果:通过含量差异分析可对富硒大米品质进行判别,同时发现富硒大米富含Ca、Sn、K、Mg 4种元素。对其他品质指标进行分析,发现富硒大米不完善粒低、黄粒米低、垩白低,整精米率高、直链淀粉高、食味值高、新鲜度评分值高,硬度、弹性及胶着度适宜,适口性优良,外观品质和食用品质都较高。结论:宁夏富硒大米具有较高的营养价值和食味品质,可以通过元素含量差异判别富硒大米。

    Abstract:

    Objective:The element content and physical and chemical quality were analyzed from the nutritional quality of Selenium (Se)-enriched rice in Ningxia.Methods:25 rice samples from different brands in Ningxia were selected as the research object, and 26 mineral elements in which were determined by inductively coupled plasma mass spectrometry (ICP-MS), and multivariate statistical analysis of these elements was conducted.Results:Through the analysis of the difference of element content between Se-enriched rice and ordinary rice, the quality of Se-enriched rice was distinguished. Moreover, it was found that Se-enriched rice was rich in four kinds of elements such as Ca, Sn, K and Mg. Other quality indexes of Se-enriched rice were analyzed. It was found that Se-enriched rice was imperfect, with low grain, low yellow grain, low chalkiness, high head rice rate, high amylose, high taste value, high freshness score, suitable hardness, elasticity and adhesion, good palatability, and high appearance quality and edible quality.Conclusion:Se-enriched rice can be distinguished by the difference of element content, and the Se-enriched rice in Ningxia has high nutritional value and eating quality.

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杨晓忱.宁夏富硒大米的矿物元素判别及品质评价[J].食品与机械,2022,(4):89-94.
YANG Xiao-chen. Mineral element discrimination of Seleniumenriched rice in Ningxia and its quality evaluation[J]. Food & Machinery,2022,(4):89-94.

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  • 在线发布日期: 2022-07-20
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