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Journal of Complementary and Integrative Medicine

Editor-in-Chief: Lui, Edmund

Ed. by Ko, Robert / Leung, Kelvin Sze-Yin / Saunders, Paul / Suntres, PH. D., Zacharias


CiteScore 2017: 1.41

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1553-3840
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Antioxidant activity of carob seeds and chemical composition of their bean gum by– products

Aida Mekhoukhe
  • Corresponding author
  • Laboratoire de Biomathématiques, Biophysique, Biochimie et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
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/ Houda Kicher
  • Laboratoire de Biomathématiques, Biophysique, Biochimie et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
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/ Adidi Ladjouzi
  • Laboratoire de Biomathématiques, Biophysique, Biochimie et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
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/ Lamia Medouni-Haroune
  • Laboratoire de Microbiologie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
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/ Fatiha Brahmi
  • Laboratoire de Biomathématiques, Biophysique, Biochimie et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
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/ Sonia Medouni-Adrar
  • Laboratoire de Biomathématiques, Biophysique, Biochimie et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
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/ Khodir Madani
  • Laboratoire de Biomathématiques, Biophysique, Biochimie et Scientométrie (L3BS), Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
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Published Online: 2018-08-15 | DOI: https://doi.org/10.1515/jcim-2017-0158

Abstract

Background

The carob (Ceratonia siliqua L.) is very old edible fruit, flavorful and often used in foods and beverages. In this present study the composition of phenolic compounds, the antioxidant activity and the production locust bean gum (LBG) of seeds grown in Algeria was explored.

Methods

The phenolic contents (total phenolics, total tannins, total flavonoids, condensed tannins and flavonols) and the antioxidant activity of the aqueous methanolic, ethanolic and acetonic extracts (70, 80 and 80v/v, respectively) of the seeds were determined using colorimetric methods. Furthermore, the carob bean gum from seeds was extracted and its chemical composition was evaluated.

Results

Aqueous acetonicextract of carob seeds give the highest contents of total phenolics, total flavonoids, flavonols, total tannins and condensed tannins which were 12.24±0.02, 1.33±0.01, 2.97±0.01, 4.29±0.2 and 0.53±0.01 mg/g of dry weight, respectively. The same extract showed also the best antioxidant activity in all assays compared to other extracts.

Keywords: antioxidant; antioxydant activity; polyphenolics

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About the article

Received: 2017-11-21

Accepted: 2018-06-04

Published Online: 2018-08-15


Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

Research funding: This work was supported by a grant from the Ministry of High Education and Scientific Research of Algeria.

Employment or leadership: None declared.

Honorarium: None declared.

Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis,and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.


Citation Information: Journal of Complementary and Integrative Medicine, Volume 16, Issue 1, 20170158, ISSN (Online) 1553-3840, DOI: https://doi.org/10.1515/jcim-2017-0158.

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