Okwute Simon Koma

Phytochemical Screening, In-vitro Antimicrobial Activity and Antioxidant Characteristics of Tetrapleura tetraptera Extracts

Okwute Simon Koma, Olajide Olutayo Olawumi, Etuk-Udo Godwin & Orishadipe Abayomi Theophilus · European Journal of Medicinal Plants · 2016

Aims: In order to provide scientific evidence for the ethno-medical claims, this study was conducted to determine the phyto-constituents, antimicrobial activity and the antioxidant activity of the crude leaf and stem bark extracts of Tetrapleura tetraptera (Schum. & Thonn.) T...

Open access Research Article 10.9734/EJMP/2016/29585

Antimicrobial and Antioxidant Potentials, and Chemical Constituents of the Leaf Extracts of the Nigerian Piliostigma thonningii (Caesalpiniaceae) Schum

Okwute Simon Koma & Yakubu Rufa’i · European Journal of Medicinal Plants · 2015

Aims: In this work the 95% ethanol extract of the Nigerian Piliostigma thonningii known traditionally to possess a number of medicinal properties was screened for antimicrobial and antioxidant potentials as well as identified its chemical constituents. It was to confirm its tradi...

Open access Research Article 10.9734/EJMP/2015/15485

Betulinic Acid from Antimicrobial Root Wood Extract of Dalbergia saxatilis Hook f.(Fabaceae)

Okwute Simon Koma & Isyaka Mohammed Sani · European Journal of Medicinal Plants · 2014

Aims: The root wood of Dalbergia saxatilis was studied to assess its antimicrobial activity and chemical constituents and confirm its traditional medicinal uses. Study Design: The source of the plant was identified and the plant material was collected at a particular time of the...

Open access Research Article 10.9734/EJMP/2014/8601