International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 10, Issue:7, July, 2021

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2021.10(7): 154-163

Evaluation of the Antioxidant Activity and Dosage of Polyphenols in Aqueous, Hydroethanolic and Hexane Extracts of the Bark of Spathodea campanulata P. Beauv. (Bignoniaceae)
Koulai Diane1*, Yeo Sounta Oumar1, Doumbia Idrissa1, 2,Yapi Houphouet Felix2, N’guessan Jean David2 and Djaman Allico Joseph2, 3
1Food and Bioproducts Processes Laboratory, Agronomic, Forestry and Environmental Engineering Department, University of Man, PO Box 20 Man, Ivory Coast, Côte d'Ivoire
2Biochemical Pharmacodynamic Laboratory, Biosciences Department, Felix Houphouet-Boigny University, PO Box 582, Abidjan 22, Ivory Coast, Côte d'Ivoire
3Biochemical Laboratory of Pasteur Institute of Ivory Coast, PO Box 490, Abidjan 01,
Ivory Coast, Côte d'Ivoire
*Corresponding author

The present study focused on the evaluation of the antioxidant properties and the determination of total phenols and flavonoids Spathodea campanulata P. Beauv by spectrophotometry. Quantitative analyzes of total phenols and flavonoids were determined from the linear regression equation of the calibration curve, that is plotted using gallic acid and quercetin respectively as standard. The highest content of phenols was measured in the hydro-ethanolic extract, with a value equal to 10.17 mgGAE/g DE. Likewise, the determination of the flavonoids revealed that the hydroethanolic extract contains a maximum of flavonoids, with a level of 22.43 mg EQ / g DE. The antioxidant properties were evaluated by two tests, namely the diphenyl-picryl-hydrazyl radical scavenging test (DPPH) and the reducing power test (FRAP) in comparison with ascorbic acid and BHT respectively used as reference molecules. The results obtained show that the antioxidant activity of the hydroethanolic extract is greater with the two tests than those of the aqueous and hexane extracts.

Keywords: Total polyphenols, antioxidant activity, Spathodea campanulata

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How to cite this article:

Koulai Diane, Yeo Sounta Oumar, Doumbia Idrissa, Yapi Houphouet Felix, N’guessan Jean David and Djaman Allico Joseph. 2021. Evaluation of the Antioxidant Activity and Dosage of Polyphenols in Aqueous, Hydroethanolic and Hexane Extracts of the Bark of Spathodea campanulata P. Beauv. (Bignoniaceae).Int.J.Curr.Microbiol.App.Sci. 10(7): 154-163. doi:
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