| 灌浆成熟期稻米味度值和RVA谱特性变化动态分析 |
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| 引用本文： | 钱春荣,杨静,刘海英,金正勋,金学泳.灌浆成熟期稻米味度值和RVA谱特性变化动态分析[J].东北农业大学学报,2006,37(4):433-436. |
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| 作者姓名： | 钱春荣 杨静 刘海英 金正勋 金学泳 |
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| 作者单位： | 东北农业大学农学院,黑龙江,哈尔滨,150030 |
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| 基金项目： | 中国水稻科学发展基金，黑龙江省教育厅科学技术研究项目，黑龙江省自然科学基金 |
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| 摘 要： | 选用粳稻品种东优9901和长粒香,研究灌浆成熟期稻米味度值和RVA谱特性的变化规律。结果表明,整精米率和味度值是随灌浆成熟期的延长而逐渐增加,达到峰值以后则逐渐下降,呈单峰曲线,不同品种整精米率和味度值达峰值的时间有差异;稻米RVA特性的各参数在灌浆成熟期呈现不同的变化趋势,从整体看,东优9901在灌浆35～40 d时稻米粘特性最佳,而长粒香在灌浆35～45 d时粘特性最好。
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| 关 键 词： | 稻米 灌浆成熟期 味度值 淀粉谱特性 |
| 文章编号： | 1005-9369（2006）04-0433-04 |
| 收稿时间： | 2005-02-28 |
| 修稿时间： | 2005年2月28日 |
Analysis on the variation of rice grain taste meter value and RVA profile during grain filling and ripening stage |
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| QIAN Chunrong,YANG Jing,LIU Haiying,JIN Zhengxun,JIN Xueyong.Analysis on the variation of rice grain taste meter value and RVA profile during grain filling and ripening stage[J].Journal of Northeast Agricultural University,2006,37(4):433-436. |
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| Authors: | QIAN Chunrong YANG Jing LIU Haiying JIN Zhengxun JIN Xueyong |
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| Institution: | Agriculture College, Northeast Agricultural University, Harbin Heilongjiang 150030, PRC |
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| Abstract: | Two japonica rice varieties--Dongyou 9901 and Changlixiang--were studied to reveal the variation of taste meter value and RVA profile during grain filling and ripening stage. The results indicated that in pace with grain filling and ripening, percentage of head milled rice and taste meter value continually increased up to a peak, after which they tended to descend, and different varieties had difference in the time at which rice grain had the highest percentage of head milled rice and the best taste meter. Different kinds of parameters of RVA varied differently during grain filling and ripening stage, and Dongyou 9901 had the best rice starch viscosity when grain filling for 35-40 d and Changlixiang had the best rice starch viscosity during 35-45 d. |
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| Keywords: | rice grain grain filling and ripening stage taste meter value RVA profile |
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