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COMPARATIVE STUDY OF ANTIOXIDANT ACTIVITY OF MORINGA OLEIFERA LEAF AND SEED CULTIVATED IN SOKOTO METROPOLIS

AUTHORS:
Shamsuddeen Yahaya
Sulyman Habeeb
Amamatu Dahiru Tambuwal
Mentor
Affiliation
Department of Energy and Applied Chemistry, Usmanu Danfodiyo University, Sokoto, Nigeria.
DOI: 10.55041/ijsmt.v2i7.097
CC BY 4.0 License:
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Abstract
This study investigates and compares the antioxidant activity of Moringa oleifera leaves and seeds to identify which plant part exhibits stronger free radical scavenging potential. Antioxidant assays were conducted using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging method and the Total Phenolic Content (TPC) test. Methanolic extracts of both leaves and seeds were prepared via cold maceration and analyzed spectrophotometrically. The results revealed a concentration-dependent increase in antioxidant activity for both extracts. At 0.4 mg/mL, the leaf extract showed 82.67% inhibition, surpassing the seed extract (77.4%) and even the standard ascorbic acid (77.4%). The TPC analysis indicated slightly higher phenolic content in the leaf extract (30.4 mg GAE/100 g) compared to the seed extract (29.8 mg GAE/100 g). The enhanced antioxidant activity of the leaves is attributed to their higher phenolic and flavonoid composition. These findings demonstrate that Moringa oleifera leaves possess superior antioxidant potential relative to the seeds, supporting their application in nutraceutical, pharmaceutical, and food industries as natural antioxidant sources.

 
Keywords
Moringa oleifera DPPH antioxidant cold maceration phenolic content.
Article Information
PUBLICATION DETAILS
Review Type:
Double-Blind Peer Review
License:
CC BY-NC 4.0
Volume/Issue:
Volume 02, Issue 7
Review Rounds:
2
Article Type:
Research Article
Publication Date:
Jul 25 2026
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Yahaya, S., Habeeb, S. & Tambuwal, A. D. (2026). Comparative Study of Antioxidant Activity of Moringa Oleifera Leaf and Seed Cultivated in Sokoto Metropolis. International Journal of Science, Strategic Management and Technology, 02(7), 1-9. https://doi.org/10.55041/ijsmt.v2i7.097

Yahaya, Shamsuddeen, et al.. "Comparative Study of Antioxidant Activity of Moringa Oleifera Leaf and Seed Cultivated in Sokoto Metropolis." International Journal of Science, Strategic Management and Technology, vol. 02, no. 7, 2026, pp. 1-9. doi:https://doi.org/10.55041/ijsmt.v2i7.097.

Yahaya, Shamsuddeen,Sulyman Habeeb, and Amamatu Tambuwal. "Comparative Study of Antioxidant Activity of Moringa Oleifera Leaf and Seed Cultivated in Sokoto Metropolis." International Journal of Science, Strategic Management and Technology 02, no. 7 (2026): 1-9. https://doi.org/https://doi.org/10.55041/ijsmt.v2i7.097.

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This article has undergone plagiarism screening and double-blind peer review. Editorial policies have been followed. Authors retain copyright under CC BY-NC 4.0 license. The research complies with ethical standards and institutional guidelines.
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