IN VITRO EVALUATION OF ANTIBACTERIAL EFFECT OF ETHYL ACETATE EXTRACT OF RED ALGAE (GELIDIELLA ACEROSA) ON SOME GRAM-POSITIVE AND GRAM-NEGATIVE BACTERIA

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GHAFARI M.; TAHERI A.; ZOBEIDI NEZHAD M.

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Journal: JOURNAL OF RAFSANJAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES Year:2016 | Volume:15 | Issue:3 Page(s): 209-222

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Title

IN VITRO EVALUATION OF ANTIBACTERIAL EFFECT OF ETHYL ACETATE EXTRACT OF RED ALGAE (GELIDIELLA ACEROSA) ON SOME GRAM-POSITIVE AND GRAM-NEGATIVE BACTERIA

Author(s)

GHAFARI M. | TAHERI A. | ZOBEIDI NEZHAD M. | Issue Writer Certificate

Keywords

ANTIBACTERIAL EFFECTQ1

ETHYL ACETATE EXTRACTQ1

RED ALGAEQ1

Abstract

Background and Objectives: Nowadays, the excessive use of antibiotics has caused bacteria to develop new resistant forms, so that discovering bioactive antimicrobial compounds has been considered by researchers. The aim of this study was to evaluate the ANTIBACTERIAL EFFECT of ETHYL ACETATE EXTRACT of RED ALGAE (Gelidiella acerosa) on some gram-positive and gram-negative bacteria in laboratory conditions.Materials and methods: In this in vitro study, 4 different concentrations of 10-80 mg/ml of ETHYL ACETATE EXTRACTs were tested on 3 strains of gram-positive bacteria (Lactoccocus garviae, Listeria monocytogenes, and Staphylococcus aureus) and 4 strains of gram-negative bacteria (Escherichia coli, Klebsiella pneumoniae, Proteus vulgaris, and Photobacterium damselae), using disc diffusion technique and measuring growth inhibition zone. The results were compared with two standard antibiotics. In this study, minimum inhibitory concentration (MIC) test was conducted using serial dilutions method. One-way ANOVA was used to compare the mean differences among the different groups, and Duncan’s test was used to determine the mean differences between pairs of groups.Results: In this study, K. pneumoniae bacteria showed more sensitivity against algae extract with a growth inhibition zone diameter of 12.50±1.33 mm at concentration of 80 mg/ml, which was significant (p<0.05) compared to the tetracycline antibiotic and the other concentrations, although it was not significant compared to the neomycin antibiotic (p>0.05).Conclusion: The results of this study showed that the ETHYL ACETATE EXTRACT of RED ALGAE (Gelidiella acerosa), in laboratory conditions, has greater ANTIBACTERIAL EFFECT on K. pneumoniae, E. coli, L. garviae and P. damsella microrganisms.

Cites

Investigation of Phytochemical Compounds, antioxidant Potential and the Antimicrobial Effect of Bergamot Essential Oil on some Pathogenic Strains Causing Infection Invitro

References

INVESTIGATION OF ANTIBACTERIAL AND ANTIFUNGAL EFFECT OF MARINE ALGA GACIALRIA ARCUATA FROM CHABAHAR COASTS

Cite

APA: Copy

GHAFARI, M., TAHERI, A., & ZOBEIDI NEZHAD, M.. (2016). IN VITRO EVALUATION OF ANTIBACTERIAL EFFECT OF ETHYL ACETATE EXTRACT OF RED ALGAE (GELIDIELLA ACEROSA) ON SOME GRAM-POSITIVE AND GRAM-NEGATIVE BACTERIA. JOURNAL OF RAFSANJAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES, 15(3), 209-222. SID. https://sid.ir/paper/71186/en

Vancouver: Copy

GHAFARI M., TAHERI A., ZOBEIDI NEZHAD M.. IN VITRO EVALUATION OF ANTIBACTERIAL EFFECT OF ETHYL ACETATE EXTRACT OF RED ALGAE (GELIDIELLA ACEROSA) ON SOME GRAM-POSITIVE AND GRAM-NEGATIVE BACTERIA. JOURNAL OF RAFSANJAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES[Internet]. 2016;15(3):209-222. Available from: https://sid.ir/paper/71186/en

IEEE: Copy

M. GHAFARI, A. TAHERI, and M. ZOBEIDI NEZHAD, “IN VITRO EVALUATION OF ANTIBACTERIAL EFFECT OF ETHYL ACETATE EXTRACT OF RED ALGAE (GELIDIELLA ACEROSA) ON SOME GRAM-POSITIVE AND GRAM-NEGATIVE BACTERIA,” JOURNAL OF RAFSANJAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES, vol. 15, no. 3, pp. 209–222, 2016, [Online]. Available: https://sid.ir/paper/71186/en

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