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Okenwa Uchenna Igwe
H.C. Akabuike
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H.C. Akabuike
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International Research Journal of Chemistry and Chemical Sciences

Free radical scavenging activity, phytochemistry and antimicrobial properties of Tetrapleura tetraptera Seeds

O. U. Igwe* and H. C. Akabuike

Department of Chemistry, Michael Okpara University of Agriculture, Umudike, P.M.B. 7267 Umuahia, Abia State, Nigeria

Accepted 28 September 2016.

Citation: Igwe OU, Akabuike HC (2016). Free radical scavenging activity, phytochemistry and antimicrobial properties of Tetrapleura tetraptera Seeds. International Research Journal of Chemistry and Chemical Sciences, 3(2): 037-042.

 

Copyright: © 2016 Igwe and Akabuike. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Abstract

This study is aimed at investigating the phytochemistry, free radical scavenging activity and antimicrobial properties of Tetrapleura tetraptera seeds. The results of the analysis of Tetrapleura tetraptera seeds showed the presence of phenols (0.34 %), flavonoids (0.91 %), alkaloids (0.52 %), tannins (0.23 %) and saponins (0.51 %). Vitamins include ascorbic acid (5.23 %), riboflavin (0.11 %), niacin (1.25 %),-carotenoid (3.40 %) and thiamine (0.06 %). Proximate compositions were moisture (14.73 %), ash (7.30 %), crude protein (17.36 %), crude fibre (6.68 %) and lipids (35.19 %). Mineral elements were calcium (1.41 %), magnesium (0.48 %), potassium (0.56 %), sodium (0.21 %), phosphorus (0.32 %), iron (1.20 %), copper (0.13 %) and zinc (0.77 %). The seed extract showed potent free radical scavenging activity (6.72 – 22.8 %) using ascorbic acid  as a standard (12.10 - 42.00 %). The seed extract exhibited significant antimicrobial activity (7.00 – 20.00 mm) and the zones of inhibition were compared with that of ciprofloxacin as standard (15.00 – 28.00 mm). From these investigations, seed extract of Tetrapleura tetraptera has proven to be considered an excellent source of nutriceuticals,  a potential antioxidant and antimicrobial agents owing to its high level of phytochemical and vitamin constituents.

Keywords: Tetrapleura tetraptera, Free radical, Antimicrobial, Phytochemicals, Seed extract