PDF(Pubmed)
Abstract：
Postharvest management plays a key role in determining the end-use quality of rice; therefore, a practical approach to inhibit quality deterioration is necessary. In this study, the effects of postharvest management-drying delay time (DDT) and moisture content after drying (DM) immediately after harvesting, and storage temperatures (ST) and periods (SP) of dried paddy rice-on the physicochemical, quality, and sensory properties of rice were comprehensively analyzed. Germination rate, seed viability, fat acidity, and sensory quality tended to significantly deteriorate with increasing DDT, DM, ST, and SP. The highest correlation (r = 0.8289) was observed between germination rate and sensory quality, indicating that germination rate can reliably predict sensory quality. Degradation of germination rate and overall sensory quality were analyzed: sensory quality exhibited a more gradual change than germination rate. Lastly, the effects of the postharvest conditions on overall sensory quality were predicted using a regression equation model. DDT, DM, and ST exhibited different patterns of change, which can be used to predict the sensory quality during storage. Germination rate was successfully applied as an influencing factor for the development of a rice-palatability prediction model. The results of this study are useful for maintaining fresh-rice palatability by preventing aging during postharvest storage.
摘要：
采后管理在决定水稻最终使用品质方面起着关键作用；因此，有必要采取一种切实可行的方法来抑制质量恶化。在这项研究中,采后管理-干燥延迟时间（DDT）和干燥后水分含量（DM）的影响，和储存温度(ST)和干燥稻米的时期(SP)-关于物理化学，质量,对大米的感官特性进行了综合分析。发芽率,种子活力，脂肪酸度，随着滴滴涕的增加，感官质量趋于显着恶化，DM,ST,SP。发芽率与感官质量之间的相关性最高（r=0.8289）。表明发芽率可以可靠地预测感官质量。分析了发芽率和整体感官质量的退化：感官质量表现出比发芽率更渐进的变化。最后,使用回归方程模型预测了采后条件对整体感官质量的影响。滴滴涕,DM,和ST表现出不同的变化模式，可用于预测储存过程中的感官质量。发芽率已成功地用作影响水稻适口性预测模型的影响因素。这项研究的结果有助于通过防止采后贮藏过程中的老化来保持鲜稻的适口性。
