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VOLUME 3 , ISSUE 4 ( October-December, 2020 ) > List of Articles

Original Article

Antimicrobial Activity of Ulva lactuca, Green Algae, against Common Oral Pathogens

Murugaboopathy Vikneshan, Ravindran Saravana Kumar, Mangaiyarkarasi Ravirajan, Mohandoss Suganya, Gengiah Kalavathy, Mohamed Muthaszeer

Keywords : Anti-bacterial agents, Mouth, Seaweed

Citation Information : Vikneshan M, Kumar RS, Ravirajan M, Suganya M, Kalavathy G, Muthaszeer M. Antimicrobial Activity of Ulva lactuca, Green Algae, against Common Oral Pathogens. 2020; 3 (4):168-170.

DOI: 10.5005/jp-journals-10082-02272

License: CC BY-NC 4.0

Published Online: 09-02-2021

Copyright Statement:  Copyright © 2020; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Introduction: Marine algae with their ability to synthesize bioactive secondary metabolites and excellent antimicrobial efficacy provide an alternative to chemical based antibiotics. Ulva lactuca, green algae with various phytochemicals and sulfated polysaccharides, possesses antimicrobial efficacy. This present study tested the antimicrobial activity of Ulva lactuca, green algae, against common oral pathogens. Materials and methods: Ulva lactuca was collected from the Gulf of Mannar, and 1% of Ulva lactuca extract was used for antimicrobial activity. The agar well-diffusion method was used to determine the antibacterial activity of different concentrations of Ulva lactuca aqueous extract against oral pathogens, such as Streptococcus mutans, Lactobacillus, and Staphylococcus aureus. Results: The mean zone of inhibition (ZOI) was found to be same, 8 mm in diameter, across all concentrations (25, 50, and 100 μL) of the extract. The extracts showed only moderate antimicrobial activity compared to that of control antibiotic used. Conclusion: The present study showed that aqueous extracts of Ulva lactuca had only moderate antimicrobial activity compared to the commercial antibiotics.


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