Abstract
Commercial corn samples from three production areas, mid-western U.S.A., eastern Canada (Ontario) and western Canada (Alberta), were evaluated for their physical and chemical properties in relation to the percentage of dent and flint kernels. The percentage of dent-type kernels (97, 93, 42 and 22% for the U.S.A., Ontario and two Alberta samples) was positively correlated with starch content, and negatively correlated with ether extractable material of the kernels. Kernel density correlated negatively with protein content. Kernel weight correlated negatively with ether extractable material and total ash content. The Alberta corn contained more nonpolar lipids than the high dent corns from U.S.A. and Ontario. Total amounts of lipid and palmitic acid correlated negatively with dent percentage. The differences in physical and chemical properties were attributed to the flint character of Alberta corn.
Published Version
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