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Journal of Advances in Biology & Biotechnology, 2394-1081,Vol.: 14, Issue.: 4

Original-research-article

Evaluation of α-Amylase Inhibitory Potentials of Sida acuta, Tithonia diversifolia and Chromolaena odorata Leaf Extracts

 

Kemi Feyisayo Akinwunmi1*, Abiodun Akeem Ajiboye2 and Omolara Olajumoke Ojo3

1Department of Biochemistry and Molecular Biology, Faculty of Science, Obafemi Awolowo University, Ile-Ife, Nigeria.

2Department of Plant Science and Biotechnology, Federal University Oye Ekiti, Ekiti State, Nigeria.

3Department of Biochemistry, Faculty of Science, Ekiti State Univerrsity, Ido-Ekiti, Nigeria.

Article Information

Editor(s):

(1) Lakshmi Narayanan, Mississippi State University, USA.

Reviewers:

(1) F. Mahomoodally, University of Mauritius, Mauritius.

(2) Abigail I. Ogbonna, University of Jos, Nigeria.

Complete Peer review History: http://www.sciencedomain.org/review-history/20849

Abstracts

Aim: To investigate the inhibitory effect of Sida acuta, Tithonia diversifolia and Chromolaena odorata leaf extracts on the activity of carbohydrate hydrolyzing enzyme (α-amylase) and to provide scientific validation of their folk use in diabetes treatment.

Study Design: The α-amylase inhibition assay was carried out as a measure of the anti-diabetic potentials of Sida acuta, Tithonia diversifolia and Chromolaena odorata.

Place and Duration: Department of Biochemistry and Molecular Biology, Obafemi Awolowo University, Ile-Ife, Nigeria (January – November, 2016).

Methodology: Cold water, hot water and ethanolic extracts of Sida acuta, Tithonia diversifolia and Chromolaena odorata were obtained. Standard method was employed in the α-amylase inhibitory assays (3, 5-dinitrosalicylic acid (DNSA) method).

Results: The results revealed that the extracts had a dose dependent prevention of digestion of carbohydrates by inhibiting α-amylase. Ethanolic extracts of T. diversifolia, C. odorata and S. acuta gave the highest inhibitory activities against α-amylase with 41.02% (IC50 0.754 mg/ml), 43.67% (IC50 0.619 mg/ml) and 45.72% (IC50 0.604 mg/ml) maximum inhibition at a concentration of 500 µg/ml respectively.

Conclusion: It can be concluded from this study that extracts of these plants possessed great potential as anti-diabetic agents by inhibiting α-amylase. The presence of phytochemicals like flavonoids, saponins, and tannins might have contributed greatly to the inhibitory activities exhibited by these plant extracts.

Keywords :

Diabetes mellitus; α-amylase inhibition; Sida acuta; Tithonia diversifolia; Chromolaena odorata.

Full Article - PDF    Page 1-9

DOI : 10.9734/JABB/2017/35148

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