American Journal of Food and Nutrition
ISSN (Print): 2374-1155 ISSN (Online): 2374-1163 Website: http://www.sciepub.com/journal/ajfn Editor-in-chief: Mihalis Panagiotidis
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American Journal of Food and Nutrition. 2017, 5(2), 51-57
DOI: 10.12691/ajfn-5-2-1
Open AccessArticle

Mineral and Vitamin Composition of Some Lesser Known Leafy Vegetables Consumed in Northern Senatorial District of Cross River State, Nigeria

Agiang Margaret Akpana1, , Mgbang John Edward1, Peters Henry2 and Akuirene Joseph1

1Department of Biochemistry, College of Medical Sciences, University of Calabar, Calabar, Nigeria

2Department of Food Science and Technology, University of Calabar, Calabar, Nigeria

Pub. Date: March 09, 2017

Cite this paper:
Agiang Margaret Akpana, Mgbang John Edward, Peters Henry and Akuirene Joseph. Mineral and Vitamin Composition of Some Lesser Known Leafy Vegetables Consumed in Northern Senatorial District of Cross River State, Nigeria. American Journal of Food and Nutrition. 2017; 5(2):51-57. doi: 10.12691/ajfn-5-2-1

Abstract

Seven leafy vegetables (Albizia zygia, Basella alba, Ficus glumosa, Hibiscus cannabinus, Pterocarpus santalinoides, Solanum nigrum and Vitex doniana) grown in the Northern Senatorial District of Cross River State, Nigeria, were authenticated and evaluated for their vitamin and mineral contents using standard methods of analysis. The fresh leafy vegetables were collected from local farms around Obudu, Bekwarra and Obanliku LGA of Cross River State, Nigeria. The results of mineral analysis revealed that at P<0.05, Basella alba had the highest potassium (146.03±1.14mg/100g) and phosphorus (36.83±0.09mg/100g) content, Hibiscus cannabinus had the highest content of magnesium (168.30±0.12mg/100g) while Ficus glumosa had a relatively high sodium content (16.43±0.12mg/100g). Vitex doniana had the highest content of calcium (67.47±0.12mg/100g). The heavy metals, cadmium, lead and mercury were not detected. Ficus glumosa had the highest content of Beta carotene (5.07±0.33mg/100g) and ascorbic acid (68.50±0.12mg/100g) while Vitex doniana had the highest content of vitamin E (6.23±0.06mg/100g). Solanum nigrum had the highest concentration of vitamin B2 (0.85±0.06mg/100g) and vitamin B6 (18.43±0.18mg/100g). The results suggest that the seven leafy vegetables contain appreciable amounts of minerals and vitamins, thus may be included in diets to supplement daily dietary allowances needed by the body, hence, improving nutritional status and curbing the problem of micronutrient deficiency.

Keywords:
mineral vitamin vegetables micronutrients micronutrient deficiency

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