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Pakistan Journal of Nutrition

Year: 2011  |  Volume: 10  |  Issue: 10  |  Page No.: 935 - 939

Organoleptic Assessment of the Performance of Some Cultivars of Ipomoea batatas in the Development of Selected Snack Products

M.C. Ojinnaka and G.I. Onwuka


Baking tests were conducted with sweet potato (Ipomoea batatas) composite paste at 20% level of substitution with wheat flour to determine their potentials in producing acceptable snack products. Studies conducted shows there was no significant difference (p>0.05) in the specific volume of the baked bread samples but there was significant difference (p<0.05) in the loaf volume and loaf weight of the sweet potato bread samples. Bread samples from cultivars TIS 87/0087 and TIS 8441 were found to be significantly different (p<0.05) from the others in terms of their loaf weight with 357.98 g and 357.03 g respectively. Sensory analysis conducted showed there were significant differences (p<0.05) in the sweet potato chips produced in terms of texture. Cultivar Ex-Igbariam was the least preferred in terms of texture compared with the other cultivars with 3.95. There was no significant difference (p>0.05) in the taste of the sweet potato cake samples. In terms of texture, cake sample from cultivar TIS 25320P0P - 13 was the least preferred but all the cake samples were generally accepted by the panelist. Most of the cultivars performed well in the food product assessment.

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