Authors: R. Cofie-Agblor. W.E. Muir. N.D.G. While and D.S. Jayas
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Published in: CBE Journal » CBE Journal Volume 39 (1997)

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Description: Equations were developed to calculate microbial heat production from carbon dioxide (C02) production data in stored wheat at W-40oC and 15.5-24.5% moisture content, assuming that CO2 production was due to aerobic and anaerobic respiration. Aerobic respiration accounted for 91 to 97% of total heat production. At WaC, heat production rates were generally low and constant. whereas at 20?C, heat production rates increased with storage time at all test moisture contents except at 23.8%. At 30?C. heat production rates at 18.6-20.8% moisture content peaked after 9 d and then decreased to lower constant rates. The highest rate of heat production, 36.2 mW/kg, occurred at 30?C at 19.8% moisture content. At 40?C, significant heat produ'ction occurred at the lower moisture content of 15.5%, but at higher moisture contents of 19.8 and 24.1 %, heat production rates decreased sharply as storage time increased. The combined effects of temperature and moisture content on heat production rates were modelled by multiple linear regression.

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Citation: R. Cofie-Agblor. W.E. Muir. N.D.G. While and D.S. Jayas 1997. MICROBIAL HEAT PROD CHON IN STORED WHEAT. Canadian Agricultural Engineering 39(4):303-307.
Volume: 39
Issue: 4
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Date: 1997
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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