J.of Soc of Agri Struc, Japan.
Vol.24,No.1 July 1993,7-13
Original:
Language: Japanese

Accumulative Mix Storage Drying of Paddy Grain(1)
-Change of Moisture Content and Quality of Grain-

Jun-ichi KAMIDE, Akira AKASE and Kazunori IWABUCHI

Summary

    This paper describes a accumulative mix storage drying of paddy grain in a large scale steel bin having a capacity of 150 tones. In this drying method, a certain amount of just harvested grain at high moisture content is stored in the bin, while being constantly dryed and mixed. The grain harvested in the following day is then mixed and dryed with the grain in the same bin. The process is repeated untill the bin has been filled, and the drying process is continued to make the grain moisture content reach a set value.
    The storage drying for 20 days makes the grain moisture content dryed in 15.5%w.b. with less 1% in standard deviation. The quality of thc grain dryed by this method proved to be the same as the grain dryed in the conventional ways of natural drying and heated air drying, when considering evaluations of kernel cracking, germination, embryo activity, free fatty acidity and taste.

Keywords: mix storagedrying, heatedairdrying,naturaldrying, grainmoisture,qualityofgrain, free fattyacidity, taste

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