Effect Of Processing On Nutritional And Anti Nutritional Compositions And Functional Properties Of Selected Sorghum Varieties Grown In Ethiopia

There are brown and red colored bird resistant and whitish colored bird sensitive sorghum varieties inrnEthiopia. Thus, the bird resistant sorghum varieties commonly provide higher yield in areas where therernis higher population of birds. However, there is a hypothesis that colored grains are rich in anti-nutrientrntannins. The main objective of the present investigation was therefore to improve the sensoryrnacceptability and reduce ant-nutritional composition of the bird resistant grains which maintaining thernbird resistant characteristics. Accordingly, the seeds were decorticated by hardening the endospermrnusing hydrothermal processing method and to evaluate changes during decortications. Standard methodsrnwere used to analyze proximate composition, anti-nutritional contents (Tannins, Phytate, Alkaloid andrnPolyphenols), minerals and functional properties of four sorghum varieties namely; Seredo and Abbarnmelko and Teshale and Wogere. The findings showed that the yield of decorticated head grain, brokenrnand seed coat were 75.7-77.9%, 0.9-4.32% and 19.8-21.2% respectively. The decorticated grains of thernrespective varieties had significantly lower level of protein, fat, fiber, ash, minerals (Zn, Fe, Mg and Cu)rnand bulk density and significantly higher carbohydrate (P

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