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Current Nutrition & Food Science

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ISSN (Print): 1573-4013
ISSN (Online): 2212-3881

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Research Article

Assessment of Total Phenolic Content and Antioxidant Activity of Ficus carica and Olea europaea L. Leaves Extracts

Author(s): Abderrahim Benslama*, Amirouche Deghima and Nadjat Righi

Volume 15, Issue 6, 2019

Page: [583 - 587] Pages: 5

DOI: 10.2174/1573401314666180507154205

Price: $65

Abstract

Background: Ficus carica and Olea europaea are two medicinal plants which are widely distributed in Algeria, and used in food and traditional medicine.

Objective: The objective of this work is the evaluation of the antioxidant capacity of different extracts of F. carica and O. europaea, for ends of flora valorization in Algeria.

Methods: The dried leaves of the concerned plants Ficus carica and Olea europaea were submitted to sequential extraction with solvents of increasing polarity to give hexane, chloroform, ethyl acetate and methanolic extracts. The total phenolic and flavonoids were determined spectrophoto-metrically. The antioxidant activity of extracts was evaluated using 1,1’-Diphenyl-1-Picrylhydrazyl (DPPH) radicalscavenging and ferric reducing power test.

Results: The results of the quantitative analysis show that the Methanolic Extract (ME) gives the highest yield with 16.43% and 19.98% for F. carica and O. europaea respectively. The analysis show that the highest amount of phenolic compounds was recorded in the ME of O. europaea (171.40±6.79 µg GAE/ mg E), when the the highest amount of flavonoids was recorded in the CHE of the F. carica (34.06± 0.05 µg QE/ mg E). In addition, the results show that the Ethyle Acetat Extract (EAE) exhibit the highest antiradical activity against DPPH free radical with an EC50=45.21±1.12 and 8.20±0.37 µg/ml for F. carica and O. europaea, respectively. Moreover, the EAE of the two plants present the highest reducing effect compared to other extracts at concentration of 200 µg/ml.

Conclusion: The obtained results revealed the presence of a strong correlation between the antioxidant activity of the extract and its total phenolic content. Furthermore, they reported that the EAE have a considerable antioxidant capacity. This can be considered as an alternate natural source of antioxidants used generally as additives in food and pharmaceutical preparation.

Keywords: Antioxidant activity, Ficus carica, free radical, olea europaea, phenolic compounds, reducing power.

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