African Journal of
Food Science

  • Abbreviation: Afr. J. Food Sci.
  • Language: English
  • ISSN: 1996-0794
  • DOI: 10.5897/AJFS
  • Start Year: 2007
  • Published Articles: 976

Full Length Research Paper

Nutritional potential of underutilized gum arabic tree seeds (acacia nilotica) and locust bean seeds (Parkia biglobosa)

Ajayi K.
  • Ajayi K.
  • Department of Human Nutrition and Dietetics, College of Medicine and Health Sciences, Afe Babalola University, P. M. B. 5454, Ado Ekiti, Ekiti State, Nigeria.
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Adepoju O. T.
  • Adepoju O. T.
  • Department of Human Nutrition, Faculty of Public Health, College of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria
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Taiwo O. M.
  • Taiwo O. M.
  • Department of Human Nutrition and Dietetics, College of Medicine and Health Sciences, Afe Babalola University, P. M. B. 5454, Ado Ekiti, Ekiti State, Nigeria.
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Omojola S. T.
  • Omojola S. T.
  • Department of Human Nutrition and Dietetics, College of Medicine and Health Sciences, Afe Babalola University, P. M. B. 5454, Ado Ekiti, Ekiti State, Nigeria.
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Aladetuyi M. E.
  • Aladetuyi M. E.
  • Department of Human Nutrition and Dietetics, College of Medicine and Health Sciences, Afe Babalola University, P. M. B. 5454, Ado Ekiti, Ekiti State, Nigeria.
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  •  Received: 21 August 2017
  •  Accepted: 13 September 2017
  •  Published: 31 August 2018

Abstract

Acacia nilotica seed (ANS) and Parkia biglobosa seed (PBS) are underutilised legume found to have health benefits and functional properties. This study determined nutrient composition of A. nilotica and P. biglobosa seeds. ANS and PBS were collected and processed properly for chemical analysis. The proximate, minerals, vitamins, essential amino-acids, and antinutrient composition were analyzed to ascertain nutritional attributes and its potential in promoting dietary diversity. The raw and fermented A. nilotica seeds contained in g/100 g, protein (12.88 to 15.38), fat (3.29 to 4.91), ash (5.24 to 6.84), dietary fibre (1.98 to 2.66) and available carbohydrate (69.63 to 71.73), while the FPB contained in g/100 g, protein (18.30), fat (9.20), ash (8.69), dietary fibre (2.61), and available carbohydrate (56.27). The fermented A. nilotica (FAN) seed contained all the nine (9) essential amino acids. The raw and fermented ANS contained in mg/100 g, iron (9.67 to 12.23), zinc (0.69 to 1.13), calcium (0.17 to 0.22), sodium (0.14-0.21) while the FPB seed contained 14.86, 1.59, 0.25, and 0.24, respectively. FAN and FPB contained in µg/100 g, vitamin A (148.79 and 197.81), vitamin E (15.90 and 24.69) and vitamin K (1.41 and 1.63), respectively. The levels of antinutrient factors in all the samples were not significant. Fermented A. nilotica seed contained adequate level of some micronutrients and essential amino acids. Consumption of the seed should therefore be promoted.

Key words: Nutrient composition, dietary diversity, underutilized legumes, essential amino acid, functional properties, proximate composition, antinutritional factors.

 

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