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Abstract

This study was conducted to evaluate the nutritive value of sweet potato peels. The proximate composition, mineral composition, amino acid profile and anti-nutritional factors were determined in airdried and sun-dried sweet potato peels. The sweet potato peels used for this research was collected from Gwagwalada and its environs. The results of the analysis show that crude protein (7.89%, 5.63%), crude fibre (3.41%, 3.68%), ether extract (1.71%, 2.15%), ash (6.95%, 5.82%), moisture (10.00%, 11.50%) and nitrogen free extract (70.04%, 71.22%) for air-dried and sun-dried sweet potato peels respectively. The airdried and sun-dried peels had the following macro mineral contents respectively: calcium (61.70mg/100g, 45.73mg/100g), magnesium (9.33mg/100g, 5.11mg/100g), potassium (10.3mg/100g, 10.74mg/100g), sodium (4.12mg/100g, 1.52mg/100g), phosphorus (21.81mg/100g, 20.45mg/100g). The micro mineral content of zinc (1.00mg/100g) and iron (3.14mg/100g) in air-dried sweet potato peels had a higher value than that of sun-dried sweet potato peels. Sun-dried sweet potato peels had a higher value in copper (1.33mg/100g) and cobalt (0.18mg/100g) compared to the air-dried sweet potato peels. The air-dried and sun-dried sweet potato peels have the same manganese (1.22mg/100g) deposit in the mineral contents. A total of 16 amino acids (lysine, arginine, aspartic acid, threonine, histidine, serine, glycine, alanine, cystine, valine, leucine, phenylalanine, Tryosine, isoleucine, proline and methionine) were identified in the air-dried and sun-dried sweet potato peels, 9 of which were essential amino acid (lysine, arginine, threonine, histidine, valine, leucine, phenylalanine, isoleucine and methionine).

Keywords

conducted sweet peels arginine

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How to Cite
Agubosi, O.C.P, Imudia Favour Dumkenechukwu, & Alagbe, J.O. (2022). Evaluation Of the Nutritive Value of Air-Dried and SunDried Sweet Potato (Ipomoea Batatas) Peels. Texas Journal of Agriculture and Biological Sciences, 1, 14–21. Retrieved from https://zienjournals.com/index.php/tjabs/article/view/842

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