为了比较高低抗性淀粉含量水稻种质间淀粉主要特性差异,利用江苏省农科院水稻品种资源项目组筛选出的抗性淀粉含量有极显著差异的水稻种质,比较分析了RVA特征值和淀粉晶体热力学差异。结果表明,抗性淀粉含量较高的3个水稻材料崩解值较低,而消减值较高;抗性淀粉含量较小的3个水稻材料崩解值较高,而消减值较低。高低抗性淀粉含量水稻种质间RVA特征值和淀粉晶体热力学有较大的差异,可为高抗性淀粉含量功能性水稻品种育种提供新的选育指标。
CompaRed the staRch pRopeRties chaRacteRs of RVA pRopeRties and diffeRential scanning caloRimeteR ( DSC) between Rice geRmplasm with significant diffRences in Resistant staRch，which selected by ouR laboRatoRy． The Result showed thRee high Resistant staRch content Rice mateRials with loweR bReak down viscosity and higheR set back viscosity，which low Resistant staRch content Rice mateRials with higheR bReak down viscosity and loweR set back viscosity． Big diffeRence of chaRacteRs of RVA pRopeRties and diffeRential scanning caloRimeteR ( DSC) between Rice geRmplasm with significant diffeRences in Resistant staRch． TheRefoRe， it could be used as a bReeding index of high Resistant staRch content Rice．
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