Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094
April 2015 Vol. 4(4): pp. 188-199
Copyright © 2015 Global Advanced Research Journals

 

Full Length Research Paper

Biochemical and functional properties of Moringa oleifera leaves and their potential as a functional food

Sobhy A. El Sohaimy1*, Gamal M. Hamad1, Sameh E. Mohamed1, Mohamed H. Amar2 and Rashad R. Al-Hindi3 

 

1Food Technology Department, Arid Lands Cultivation Research Institute, City for Scientific Research and Technological Applications, Alexandria, Egypt

2Egyptian Deserts Gene Bank, Desert Research Center, Cairo, Egypt

3Biology Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia

Corresponding Author’s Email: elsohaimys@gmail.com;

Tel: +2034593420; Fax: +2034593423

Accepted 12 March, 2015

 

Abstract

BACKGROUND: Moringa is a tree of a not well-understood plant since it has not been fully studied all over the world. Therefore, the aim of the present study is to evaluate the chemical as well as functional properties of the Egyptian Moringa oleifera leaves. Such leaves can be used as a functional food ingredient in the food and pharmaceutical applications. RESULTS: The proximate analysis showed that moringa leaves are rich in: fiber, protein, carbohydrate and energy contents (11.23±0.16, 9.38±0.23, 56.33±0.27 g.100g-1 and 332.68±0.06 KCal, respectively). Moringa is a good source for essential amino acids especially Lysine (69.13±0.13mg.100g-1), essential minerals such as Na (289.34±0.35), K (33.63±0.24), Mg (25.64±0.25) Ca (486.23±0.11), P (105.23±0.32) and Fe (9.45±0.16) mg.100g -1 respectively and vitamins (A=13.48±0.51, B1=0.05±0.28, B2= 0.8±0.25, B3= 220±0.42, C= 245.13±0.46 and E= 16.80±0.24 mg.100g respectively).  It is appeared using HPLC that methanol 70% is the most suitable solvent for extraction of phenolic compounds from moringa leaves (. Scavenging activity results confirmed that Moringa leaves extract might be a potent source of natural antioxidants with a high human health benefits. Antimicrobial activity results indicate that Moringa leaves extracts may be used as an antimicrobial agent with reasonable safety margins to inhibit bacterial growth in pharmaceutical and food applications. CONCLUSION: Moringa is considered as a nutrient-rich plant especially in its leaves. Such leaves might be used to combat malnutrition, especially among infants and nursing mothers.

Keywords: Moringa oleifera, biochemical analyses, phenolic content, antioxidant, antimicrobial Pathogens.

 

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