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- Title
Bacterial growth inhibition potential of annatto plant parts
- Authors
Venugopalan, Akshatha; Giridhar, Parvatam
- Abstract
Abstract: Objective: To study the antibacterial efficacy of Bixa orellana leaves and deseeded fruit capsule extracts against both Gram positive and Gram negative bacteria. Methods: The antibacterial activity of the ethanolic, methanolic, acetone and dimethyl sulphoxide extracts of B. orellana were tested against Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Bacillus subtilis, Bacillus cereus and Staphylococus aureus by disc diffusion method. Results: The antibacterial activity of leaf was more pronounced even at low concentrations and fruit extracts exhibited the same at relatively higher concentrations. Only DMSO extract of seeds showed growth inhibition of S. aureus, B. subtilis, B. cereus, and P. aeruginosa. Conclusions: The present study suggested that the leaves and deseeded capsule extracts of B. orellana possess significant antibacterial activity thereby providing substantial support for the ethanobotanical applications of this plant.
- Subjects
BACTERIAL growth; ANNATTO tree; ANTIBACTERIAL agents; GRAM-negative bacteria; PLANT extracts; PSEUDOMONAS aeruginosa
- Publication
Asian Pacific Journal of Tropical Biomedicine, 2012, Vol 2, Issue s3, pS1879
- ISSN
2221-1691
- Publication type
Article
- DOI
10.1016/S2221-1691(12)60513-9