J.of Soc of Agri Struc, Japan.
Vol.19,No.1 July 1988,10-15
Original:
Language: Japanese

The Packing and Pressing Characteristics of Particulate Aricultural Products(2)
-Factors affecting the Breaking Load and Particle Breaking Strength of Grains and Bean-

Naoki SAKAI

Summary

    The author examined an eflect of moisture content (MC) on the breaking load (Pb) of barley, wheat and soybean with the compressive test for a kernel. The all Pb of tested seeds decreased as MC increased, but the Pb, change of barley to MC was less sensitive than those of other seeds.
    In the particle breaking strength obtained from the measurement of Pb and pressed area, the values of paddy and brown rice were the highest, the values of barley and wheat were intermediate and the value of soybean was the lowest in the tested seeds.
In a serial experiments on thermal processing, twe temperature hardly effected on the Pb of brown rice, barley and wheat in the temperature range from -20 to 800 centigrade and processing time from 2 to 24 hours except for soybean. Judging from germination test, the clear effect of the vigor of seeds on the Pb was not detected in these experiments.

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