“…m.) -1 per 24-h period, M w is the grain moisture content in % w. b., T is the grain temperature in °C, and a, b, and c are empirical constants. Karunakaran et al (2001) determined the deterioration rate of wheat stored at 25°C by measuring the respiration rate of grain and microorganisms. The measured rates of CO 2 There are however some problems in using equations (2) -(4) to describe quality changes.…”