Abstract
ABSTRACT CORN samples of two genotypes each dried using 20, 35, 50 and 65°C air were hydrated under pressures in the range of 10.5 to 70 MPa for various durations of 0.08 to 1.0 h. Moisture absorption by the corn kernels was found to be independent of the applied pressure. Higher water absorption was generally observed at longer soaking times, and for samples dried using higher temperature air. At all high-pressure test conditions, initial imbibition of water in the kernels was several times that of corresponding tests under atmospheric conditions. Prolonged high-pressure soaking lowered the rate of hydration during subsequent atmospheric soaking. However, application of 10.5 MPa pressure for 0.08 h considerably shortened the soaking time required to hydrate the corn to moisture contents of 35% and more.
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