Antibacterial activity of some Rhozophoraceae plant species

Maheswara  Rao G; Aniel  Kumar O; Subba  Tata S; Ramesh S

Maheswara Rao G Department of Botany, College of Science and Technology, Andhra University, Visakhapatnam-530003
Aniel Kumar O Department of Botany, College of Science and Technology, Andhra University, Visakhapatnam-530003.
Subba Tata S Department of Botany, College of Science and Technology, Andhra University, Visakhapatnam-530003
Ramesh S Department of Botany, College of Science and Technology, Andhra University, Visakhapatnam-530003

Abstract

The present study was carried out to evaluate the antimicrobial properties of three mangrove plant species belonging to the family Rhizophoraceae. Three plant species Rhizophora apiculata, Bruguiera gymnorrhiza and Ceriops decandra are selected to understand the anti microbial properties using agar well diffusion method. The plant material stems with bark were extracted by using soxhlet extractor successively. The selected plant extracts showed more growth inhibition on gram negative bacteria than gram positive bacteria. Methanol extracts of Bruguiera gymnorrhiza and Ceriops decandra were found to show more antibacterial property than Rhizophora apiculata. Chloroform extracts of Bruguiera gymnorrhiza and Ceriops decandra exhibited considerable anti microbial activity. Hexane extracts of all the three plant species showed insignificant anti microbial activity. The results have given evidence on antibacterial property of mangrove plants and the scope to further studies on isolation of antimicrobial compounds from mangrove plant species.

Keywords: Mangrove plants, Rhizophoraceae and Antimicrobial activity

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