Crib orientation and initial moisture content effects on storage loss indices of dehusked maize (var. Okomasa) in an improved crib
2000
Johnson, P-N.T., Food Research Institute, Council for Scientific and Industrial Research, P. 0. Box M 20, Accra, Ghana
An investigation was conducted into the storage loss indices of maize (Zea mays L. var. Okomasa) with initial moisture contents 18, 26, and 32 per cent (w. b), in two sets of improved cribs, with longitudinal faces parallel and perpendicular to the prevailing wind, from September to February for 2 years. Storage indices studied were the cumulative percent weight loss, drying rates, insect and fungal damage, and changes in free fatty acid contents. There were no significant (P 0.00 1) differences between the cumulative percent weight loss of maize in the two sets of cribs. Though drying of maize in the crib with long face perpendicular to wind was initially faster, the drying rates became uniform by the end of the 2nd month of the storage. Insect and fungal damage (mouldiness), and changes in free fatty acid content were negligible. Thus. the overall quality of maize harvested at moisture contents 18-32 per cent and stored in an improved crib are comparable.
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