Abstract
The sorption-desorption of water vapor by grains of potato, corn, and wheat native starch is studied. It is shown that water vapor is mainly sorbed inside starch grains. A model is proposed for water vapor sorption by starch grains. Constructed sorption isotherm is shown to adequately describe the process in a wide humidity range. The kinetics of the sorption and desorption of water vapor by starch grains is shown to have an abnormal character.
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Original Russian Text © V.V. Ugrozov, N.N. Shebershneva, A.N. Filippov, Yu.I. Sidorenko, 2008, published in Kolloidnyi Zhurnal, 2008, Vol. 70, No. 3, pp. 402–407.
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Ugrozov, V.V., Shebershneva, N.N., Filippov, A.N. et al. Sorption and desorption of water vapor by grains of native starch of some crops. Colloid J 70, 366–371 (2008). https://doi.org/10.1134/S1061933X08030150
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DOI: https://doi.org/10.1134/S1061933X08030150