The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019
RESEARCH ARTICLE

Antibacterial Effect of Peruvian Propolis Collected During Different Seasons on the Growth of Streptococcus Mutans



Thalia B. Becerra1, Roger D. Calla-Poma2, Margarita F. Requena-Mendizabal2, Pablo A. Millones-Gómez3, *
1 Department of Odontology, Catholic University Los Angeles of Chimbote, Chimbote, Perú
2 Department of Oral Rehabilitation, Faculty of Dentistry, National University of San Marcos, Lima, Peru
3 Vice-Rectorate for Investigation, Universidad Alas Peruanas, Lima, Perú

Abstract

Introduction:

Propolis is a gummy, resinous substance made by bees from the buds and exudates of plants. The antibacterial activity of propolis has been widely studied and is known to vary according to its geographical origin, the type of surrounding flora, the collecting bee species, the mode of its collection and even the season in which it is collected. Unfortunately, these observations have not been corroborated experimentally.

Aim:

To compare the antibacterial activities of ethanolic extracts of propolis collected in the summer and autumn on the growth of Streptococcus mutans ATCC 25175.

Materials and Methods:

Propolis samples were collected in the summer and autumn and labeled “A” or “B” by an individual who was not directly involved in the study. Then, 5% ethanolic extracts of propolis were prepared for each sample. S. mutans was plated onto brain heart infusion agar plates into which wells were formed, and the plates were divided into four groups to test the antibacterial effectiveness of both the extracts and the positive (0.12% chlorhexidine digluconate) and negative (96% ethanol) controls.

Results:

Inhibition halos of 26.4±2.6 and 18.2±1.8 mm were observed for the autumn and summer propolis extracts, respectively, while those of the negative and positive controls were 0 and 13 mm, respectively. These differences were statistically analyzed using Student’s t-test.

Conclusion:

The significantly higher growth of S. mutans in the extracts made from propolis collected in autumn than that grown on extracts collected in summer indicates that the season in which propolis is collected does indeed influence its antibacterial activity.

Keywords: Peruvian propolis, Seasons, S. mutans, Antibacterial effectiveness, β-glucosidase, Polyethylene bags.


Article Information


Identifiers and Pagination:

Year: 2019
Volume: 13
First Page: 327
Last Page: 331
Publisher Id: TODENTJ-13-327
DOI: 10.2174/1874210601913010327

Article History:

Received Date: 23/05/2019
Revision Received Date: 24/07/2019
Acceptance Date: 30/08/2019
Electronic publication date: 30/09/2019
Collection year: 2019

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© 2019 Becerra et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Vice-Rectorate for Investigation, Universidad Alas Peruanas, Avenida Paseo de la República 5717, Miraflores, Lima, Perú; Tel: 51944908425;
Email: pablodent@hotmail.com




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