Effect of Particle Diameter on Water Sorption by Rice Grains
Tamaki Nagahama,
Shuji Adachi,
Yoshiyuki Watanabe
Abstract:Water sorption of non‐glutinous Uruchi and sticky Mochi rice grains of different diameters is kinetically analyzed using linear driving force and autocatalytic models. Water‐sorption curves are classified into two types based on their shape and according to the state of rice grains below and above the gelatinization temperature. Below the gelatinization temperature, the apparent activation energy and the frequency factor decrease with increasing rice‐particle diameter. The water sorption mechanisms of both typ… Show more
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