Mineral, anti-nutritional and amino acid composition of Citrullus vulgaris (guna) seed protein concentrate
B. L. Penuel1, M. E. Khan1*, N. U. Ibok2, J. T. Barminas3 and W. S. Kefas3
Research Article | Published November 2014
International Journal of Biotechnology and Food Science, Vol. 2(7), pp. 121-125
1Department of Chemistry, Adamawa State University, Mubi, Adamawa State, Nigeria.
2Department of Chemical Science and Technology, Federal Polytechnic Mubi, Adamawa State, Nigeria.
3Department of Chemistry, Federal University of Technology, Yola, Adamawa State, Nigeria.
*Corresponding author. E-mail: mamulu@yahoo.com
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The amino acid composition, proximate composition, mineral composition and some anti nutrients of Citrullus vulgaris (guna) seed protein concentrate were investigated. The protein concentrate contained all the essential and semi essential amino acids (EAA) with respect to FAO/WHO requirements. The proximate composition gave a high percentage of crude protein (83.56%). Ash, crude fiber, ether extract (lipid), and carbohydrate were at low levels of concentration. The minerals content analysis indicated both macro and micro minerals which are essential in metabolic processes, while certain heavy metals were below detection levels. The anti nutrients, phytate and oxalate were detected but within acceptable safe limits in diets, while tannins were below the detectable levels.
Keywords: Amino acids, ‘guna’ seed, protein concentrate, proximate analysis.
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Citation: Penuel BL, Khan ME, Ibok NU, Barminas JT and Kefas WS (2014). Mineral, anti-nutritional and amino acid composition of Citrullus vulgaris (guna) seed protein concentrate. Int. J. Biotechnol. Food Sci. 2(7): 121-125.
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