engleski

Influence of the corn endosperm type on the in vitro starch digestion rate in the smallintestine of broiler chickens

The objective of this study was to investigate differences among twelve commercial corn hybrids in the proportion of horny and floury endosperm and in vitro kineticsof starch digestion in the small intestine of broiler chicken. In vitro starch digestion procedure simulates the consecutivedigestion processes in the different parts of the small intestine of the broiler. The overall content of horny endosperm was ranging from 58.27% to 85.16% among corn hybrids, and was higher in flint (75.41%) than in dent types (64.20%). The rapidly digestible starch was higher in dent (72.94%) than in flint (69.57%) corn. On contrary, resistant starch content was higher in flint (8.22%) than in dent (6.03%) corn. The rate of starch digestion for corn kernels could accurately predicted using kernel endosperm characteristics.

endosperm tipe; rapidly digestible starch; slow digestible starch and resistance starch

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