稻米理化、食味品质指标与米饭质构品质相关性分析
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(1.国家粮食和物资储备局科学研究院 北京 100037;2.黑龙江省五常市金禾米业有限公司 哈尔滨 150000)

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Correlation Analysis of Physical and Chemical Indexes, Edible Quality Indexes and Texture Quality of Rice
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(1.Academy of National Food and Strategic Reserves Administration, Beijing 100037;2.Heilong Wuchang Jinhe Rice Industry Co., Ltd., Harbin 150000)

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    摘要:

    为研究11种稻米品质指标(理化指标、食味品质指标和米饭质构品质指标)之间的差异,应用主成分分析方法对不同品种稻米的品质进行评价,并利用聚类分析法将其归类。结果表明:通过变异系数可以看出稻米品种对黏度、硬度品质指标的影响较大,而对水分含量、总淀粉含量的影响较小。通过主成分分析确定的3个主成分可以代替上述众多品质指标对不同稻米品种品质进行评判。主成分1主要综合了食味值和感官评价,主成分2主要综合了综合评分和外观,主成分3主要综合了直链淀粉含量和直支比。通过聚类分析将其品质划分为3大类:第I类有苏秀867、稻花香、金禾圆粒、淮稻5号、绥粳18,其品质最好;第II类有淮119、南粳5505、桃优香占、扬粳3012、武运粳32,其品质居中;第Ⅲ类是五优61。此结论可为优质稻米品种的筛选提供一定的参考依据。

    Abstract:

    The differences of quality indexes (physical and chemical indexes, food and taste indexes and rice texture indexes) among 11 rice varieties were studied in this paper. The quality of different rice varieties was evaluated by principal component analysis and classified by cluster analysis. The results showed that the influence of rice varieties on viscosity and hardness quality indexes was greater, but the influence on water content and total starch content was small. The three principal components determined by principal component analysis can replace the above quality indexes to evaluate the quality of different rice varieties. Principal component 1 mainly integrated the food and taste value and sensory evaluation, principal component 2 mainly integrated the comprehensive score and appearance, and principal component 3 mainly integrated the amylose content and the ratio of amylose content to amylopectin content. Cluster analysis showed that Category I includes Suxiu 867, Daohuaxiang, Jinheyuanli, Huaidao 5 and Suijing 18, they had the best quality, Category II includes Huai 119, Nanjing 5505, Taoyouxiangzhan, Yangjing 3012 and Wuyunjing 32, with the quality in the middle. Category Ⅲ is Wuyou 61. This conclusion can provide some reference basis for the selection of high quality rice varieties.

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姜平,许柠,马占倩,吴娜娜,谭斌,李云辉.稻米理化、食味品质指标与米饭质构品质相关性分析[J].中国食品学报,2022,22(6):323-332

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  • 在线发布日期: 2022-07-19
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