Polyphenol Content and in Vitro Antioxidant Activity of Aqueous-Ethanol Extracts of Pterocarpus Soyauxii and Pterocarpus Santalinoides

Polyphenol Content and in Vitro Antioxidant Activity of Aqueous-Ethanol Extracts of Pterocarpus Soyauxii and Pterocarpus Santalinoides

Emmanuela Neoma Akaniro-Ejim

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Marynn Ifunanya Ibe

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Godwill Azeh Engwa

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Godfrey Okoye University

Polyphenol Content and in Vitro Antioxidant Activity of Aqueous-Ethanol Extracts of Pterocarpus Soyauxii and Pterocarpus Santalinoides

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Abstract

Recently, medicinal plants are gaining considerable attention for their therapeutic antioxidant activities. Though many studies have investigated the pharmacological and medicinal activities of Pterocarpus soyauxii and Pterocarpus santalinoides, there is limited knowledge of their antioxidant potential. Hence, this study aimed to assess the polyphenol content and investigate the in vitro antioxidant activity of these plants. Aqueous-ethanol extracts of the plants’ leaves were obtained by maceration. The total flavonoid content (TFdC) and total flavonol content (TFlC) of the leaf extracts were determined by standard methods, while ferric reducing power and hydrogen peroxide scavenging assays were used to assess their in vitro antioxidant potentials. The mean TFdC of P. santalinoides (1083.33 ± 35.12 mg/g) was higher than that of P. soyauxii (730 ± 40 mg/g), while the mean TFlC was higher in P. soyauxii (390 ± 60.83 mg/g) than in P. santalinoides (260 ± 45.83 mg/g). The reducing potential of extracts of P. santalinoides was significantly higher (p < 0.05) than that of P. soyauxii, as well as the standard compound, at all concentrations tested.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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How to Cite This Article

Emmanuela Neoma Akaniro-Ejim. 2018. \u201cPolyphenol Content and in Vitro Antioxidant Activity of Aqueous-Ethanol Extracts of Pterocarpus Soyauxii and Pterocarpus Santalinoides\u201d. Global Journal of Medical Research - B: Pharma, Drug Discovery, Toxicology & Medicine GJMR-B Volume 18 (GJMR Volume 18 Issue B2).

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GJMR Volume 18 Issue B2

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Journal Specifications

Crossref Journal DOI 10.17406/gjmra

Print ISSN 0975-5888

e-ISSN 2249-4618

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GJMR-B Classification NLMC Code: QV 4

Submission ReceivedDecember 13, 2017
Peer Review Double Blind
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Accepted January 3, 2018
Published January 15, 2018

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v1.2

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June 2, 2018

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Article Matrices

Total Score: 103

Country: Nigeria

Subject: Global Journal of Medical Research - B: Pharma, Drug Discovery, Toxicology & Medicine

Authors: Emmanuela Neoma Akaniro-Ejim, Marynn Ifunanya Ibe, Godwill Azeh Engwa (PhD/Dr. count: 0)

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