Browse Publications Technical Papers 2004-01-2527
2004-07-19

Bulk Ingredients from Three Cultivars of Sweetpotatoes: Composition and Properties 2004-01-2527

The objectives of this study were: 1) to isolate starch and process flour from three cultivars of sweetpotatoes, and determine their proximate composition, particle size and crystallinity; and 2) to rank selected appearance, texture and flavor attributes of the sweetpotato cultivars. The mean moisture contents of the starches ranged from 4.4±0.2 to 6.0±0.3%, while color values ranged from 80.9±0.8 to 86.9±0.4. Flours had moisture contents of 3.9±0.1 to 4.3±0.2, and L* values ranged from 82.8±0.2 to 85.0±0.03. The starch granules appeared to be round or oval with characteristic dimensions in the range of 2.6–36.0μm. Consumers ranked the J6/66 as significantly least preferred (p<0.05) than the other two cultivars.

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