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Effect of Silicate Application on Grain Quality and Storage Characteristics in Rice  

Won, Jong-Gun (Gyeongbuk Agricultural Research & Extension Services)
Kim, Se-Jong (Gyeongbuk Agricultural Research & Extension Services)
Ahn, Duok-Jong (Gyeongbuk Agricultural Research & Extension Services)
Seo, Young-Jin (Gyeongbuk Agricultural Research & Extension Services)
Choi, Chung-Don (Gyeongbuk Agricultural Research & Extension Services)
Lee, Sang-Chul (Division of Plant Bioscience, College of Agriculture and Life Science, Kyungpook National University)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.53, no.spc, 2008 , pp. 31-36 More about this Journal
Abstract
This study was carried out to clarify the effect of silicate application on rice grain quality and storage characteristics in Ilpumbyeo cultivar. In yield and yield components, panicles and spikelet numbers were increased and ripened grain rate was also increased by 2%. Head rice yield was increased by $7.7{\sim}9.5%$ in silicate application. Protein content of milled rice was reduced by $0.2{\sim}0.3%$ and head rice rate was increased by $2.9{\sim}6.7%$ in silicate application due to decrease of chalky and damaged rice rate. In milling characteristics, color separation rate was improved by $4.2{\sim}7.2%$ and colored rice rate was decreased by $5.5{\sim}16.6%$ in silicate application. Acid value of stored brown rice were increased slowly in low temperature and silicate application, but that in room temperature and no silicate application was increased remarkably. The best degree rate of stored brown rice (over than 7.5 of pH) measured by the pH of grain was increased by the silicate application in both low and room temperature. Therefore, it was suggested that the storage characteristics of rice grain was improved by the silicate application.
Keywords
silicate application; rice quality; milling characteristics; fatty acid;
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