[1]裘实,卫平洋,魏海燕,等.穗发芽程度对粳稻稻米品质和蛋白质组分的影响[J].江苏农业学报,2019,(03):523-530.[doi:doi:10.3969/j.issn.1000-4440.2019.03.004]
 QIU Shi,WEI Ping-yang,WEI Hai-yan,et al.Effect of preharvest sprouting on quality and protein components of Japonica rice[J].,2019,(03):523-530.[doi:doi:10.3969/j.issn.1000-4440.2019.03.004]
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穗发芽程度对粳稻稻米品质和蛋白质组分的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2019年03期
页码:
523-530
栏目:
遗传育种·生理生化
出版日期:
2019-06-30

文章信息/Info

Title:
Effect of preharvest sprouting on quality and protein components of Japonica rice
作者:
裘实1卫平洋1魏海燕1葛佳琳1韩超1郭保卫1徐栋1胡蕾1吴培1张军2贺文畅3张洪程1
(1.扬州大学江苏省作物遗传生理重点实验室/扬州大学农业部长江流域稻作技术创新中心/粮食作物现代产业技术协同创新中心,江苏 扬州 225000;2.江苏省淮安市农业技术推广中心,江苏 淮安 223000;3.安徽省凤台县农业技术推广中心,安徽 淮南232100)
Author(s):
QIU Shi1WEI Ping-yang1WEI Hai-yan1GE Jia-lin1HAN Chao1GUO Bao-wei1XU Dong1HU Lei1WU Pei1ZHANG Jun2HE Wen-chang3ZHANG Hong-cheng1
(1.Jiangsu Key Laboratory of Crop Genetics and Physiology/Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/CoInnovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou 225000, China; 2.Extension Center of Agriculture Technology in Huaian City, Huaian 223000, China; 3.Extension Center of Agriculture Technology in Fengtai County, Huainan 232100, China)
关键词:
穗发芽优质稻米稻米品质RVA蛋白组分分析
Keywords:
pre-harvest sprouting hight quality rice rice quality RVA protein components
分类号:
S511.2+2
DOI:
doi:10.3969/j.issn.1000-4440.2019.03.004
文献标志码:
A
摘要:
本研究以南粳9108、金粳818和常软062为试验材料,人工模拟水稻生育后期穗发芽条件,设置了破胸露白(处理一)和芽长3~5 cm (处理二) 2个发芽水平,以3个粳稻品种未作处理的样品作为对照(CK),研究穗发芽对稻米品质相关指标的影响。结果表明:(1) 稻谷发芽显著影响稻米品质,特别是软米品种南粳9108,容易穗发芽且发芽后稻米品质劣变严重,其中,稻米加工品质随穗发芽程度加深显著下降。(2) 外观品质随着穗发芽程度加深而显著变劣,同时,粒长、粒宽和长宽比均显著下降。(3) 蒸煮食味品质和营养品质随穗发芽程度加深而降低,稻米直链淀粉含量和蛋白质含量呈下降趋势而胶稠度呈现破胸前先上升而后下降的趋势。食味值随稻谷发芽程度加深而降低,这与加工品质和外观品质的变化趋势一致。各处理的RVA谱特征值中,峰值黏度、热浆黏度、崩解值和最终黏度均呈下降趋势。(4) 各处理蛋白质组分中,随着穗发芽程度的增加,谷蛋白含量降低,醇溶蛋白含量增加,籽粒谷醇比呈现下降趋势。这说明穗发芽对籽粒淀粉结构和蛋白质结构的劣化破坏,大幅度降低了优质食味稻米的稻米品质,对稻米的优质生产造成了严重的危害。
Abstract:
In this study, Nanjing9108, Jinjing818 and Changruan062 were used as materials to simulate the preharvest sprouting condition of rice at the late development stage, and two sprouting levels were set up to study the effect of preharvest sprouting on rice quality indices. The results indicated that the preharvest sprouting significantly affected the rice quality, especially the semi waxy soft rice cultivar Nanjing9108, which was easy to sprout and its quality deteriorated seriously after sprouting. Among all the qualities, the processing quality decreased significantly with the deepening of sprouting degree. The appearance quality deteriorated significantly with the deepening of sprouting degree, meanwhile, the grain length, the grain width and the lengthwidth ratio decreased significantly. The cooking and tasting quality and nutritional quality decreased, with the deepening of sprouting degree. The amylose content and protein content of rice tended to decrease while the gel consistency increased first, and then decreased. The taste value decreased with the deepening of the sprouting degree, which was consistent with the variation trend of processing quality and appearance quality. The peak viscosity, the hot paste viscosity, the breakdown value and the ultimate viscosity of the RVA spectral in all treatments showed a downward trend. With the deepening of sprouting degree, glutenin content decreased, the content of prolamine increased, and the grain glutelinprolamine ratio decreased. This indicates that the preharvest sprouting of grains causes the deterioration of grain starch structure and protein structure, which greatly reduces the quality of rice and does serious harm to the high quality production of rice.

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备注/Memo

备注/Memo:
收稿日期:2018-12-27 基金项目: 国家重点研发计划项目(2016YFD0300503);江苏省重点研发计划项目(BE2016344);江苏省农业科技自主创新基金项目[CX (15)1002];国家自然科学基金项目(31601246);江苏省农业三新工程项目[SXGC(2017)294] ) 作者简介:裘实(1994-),男,江苏淮安人,硕士研究生,主要从事水稻作物栽培学与耕作学相关研究。(E-mail)825266845@ qq.com 通讯作者:魏海燕,(E-mail)wei_haiyan@163.com
更新日期/Last Update: 2019-06-30