The Academy of State Administration of Grain

Beijing, China

The Academy of State Administration of Grain

Beijing, China

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Cheng S.,The Academy of State Administration of Grain | Tang F.,The Academy of State Administration of Grain | Ouyang Y.,The Academy of State Administration of Grain | Zhang H.,The Academy of State Administration of Grain | Ding W.,The Academy of State Administration of Grain
Journal of the Chinese Cereals and Oils Association | Year: 2015

A method of early predicting fungus in soybean storage was established through detecting moisture content, temperature, and fungal growth in stored soybean. The moisture contents of samples were adjusted to 11.4%, 12.1%, 13.0%, 13.9%, 14.3% and 14.7% respectively, after the cryogenic balance, and they were sealed and stored in incubators at 10, 15, 20, 25, 30, 35℃ respectively. The samples were taken every 10 d to determine the growth and changes of fungus, and the period of experiment was 180 days. The results showed that fungal growth was not detected in the sample at 11.4% moisture stored in six different temperatures. And it was detected in the sample at 12.1% moisture stored in temperatures above 20℃, with the increase of moisture, fungal growth was accelerated. The moisture of soybean storage and fungal growth speed had a good correlation. When soybean was stored in temperatures below 15℃, low temperature had obvious inhibition for fungal growth. When the temperature exceeded 20℃, its influence became smaller. After fitting power function, prediction curves of moisture contents, temperatures and fungal growth starting time were obtained. These curves can be used for early forecasting short-term safety storage period of high moisture soybeans. ©, 2015, Editorial Department, Chinese Cereals and Oils Association. All right reserved.

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