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KMID : 0903519800230010001
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1980 Volume.23 No. 1 p.1 ~ p.6
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The Relationship between the Storage Humidity and the Sorption Rate of Red - Pepper Powder
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Abstract
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The sorption characteristics of red pepper powder were analyzed in respect to its storing humidities and the types of powder product. The sorption rate of the powder was affected by the humidity values under which it was stored. At low relative humidity values below 70% RH the sorption equilibrium was easily attained, but at the higher humidity over 75% RH the equilibrium state was not reached even after a long period of storage. From the estimation of the sorption rate at arbitrary humidity an empirical equation was obtained; 1n dw/dt=n 1n(t)+1n c, where w is moisture content(%) absorbed, t is time (hour) and n and c are empirical constants which were determined from empirical data.
Particle sizes and drying methods of red pepper showed little effect on the sorption behavior.
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