Unveiling the Potency and Harnessing the Antibacterial Activities of Plant Oils against Foodborne Pathogens
Abstract
:1. Introduction
2. Materials and Methods
2.1. Plant Oils
2.2. GC-MS Analysis
2.3. Bacterial Strains
2.4. Antimicrobial Activity Using Disc Diffusion Method
2.5. Preparation of Micelle (Working) Solution
2.6. Determination of the Minimum Inhibitory Concentrations (MIC)
2.7. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Plant Species | Family | Local Name | Common Name | Plant Parts Used |
---|---|---|---|---|
Azadirachta indica | Meliaceae | Vembu, Sengumaru, Veppa | Neem | Seed |
Ricinus communis | Euphorbiaceae | Amanakku, Kottamuthu | Castor | Seed |
Cocos nucifera | Arecaceae | Tennai, Tengku | Coconut | Fruit |
Elaeocarpus floribundus | Elaeocarpaceae | Veralikkai | Indian Olive | Whole fruit |
Test Organisms | Zone of Inhibition (ZOI) | ||||
---|---|---|---|---|---|
Control | Neem Oil | Coconut Oil | Castor Oil | Olive Oil | |
Staphylococcus aureus | 20 ± 0.44 a | 13 ± 0.84 b | 14 ± 0.55 b | 8 ± 0.75 c | ND |
Bacillus cereus | 20 ± 0.28 a | 15 ± 0.51 b | 13 ± 2.6 c | 11 c | 11 ± 1.2 c |
Escherichia coli | 20 ± 0.31 a | 15 ± 0.96 b | 10 ± 0.95 c | 8 ± 0.15 d | 11 ± 0.12 c |
Salmonella sp. | 19 ± 0.25 a | 13 ± 0.29 b | ND | ND | ND |
Campylobacter sp. | 19 ± 0.12 a | 14 ± 1.12 b | ND | ND | ND |
Listeria monoctogenes | 20 ± 0.29 a | 16 + 0.61 b | 13 ± 1.2 c | 12 ± 1.8 c | 10 ± 0.2 d |
Test Organisms | Neem Oil | Coconut Oil | Castor Oil | Olive Oil | Control |
---|---|---|---|---|---|
Staphylococcus aureus | 1.05 b | 8.43 d | 3.15 c | ND | 0.2 a |
Bacillus cereus | 3.15 c | 6.32 b | 6.32 b | 3.15 c | 0.2 a |
Escherichia coli | 3.15 b | 3.15 b | 1.05 a | 3.15 b | 0.2 a |
Salmonella sp. | 6.32 a | ND | ND | ND | 0.25 a |
Campylobacter sp. | 12.65 a | ND | ND | ND | 0.25 a |
Listeria monoctogenes | 1.05 a | 3.15 c | 6.32 d | 3.15 c | 0.2 a |
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Selvarajan, V.S.; Selvarajan, R.; Pandiyan, J.; Abia, A.L.K. Unveiling the Potency and Harnessing the Antibacterial Activities of Plant Oils against Foodborne Pathogens. Microbiol. Res. 2023, 14, 1291-1300. https://doi.org/10.3390/microbiolres14030087
Selvarajan VS, Selvarajan R, Pandiyan J, Abia ALK. Unveiling the Potency and Harnessing the Antibacterial Activities of Plant Oils against Foodborne Pathogens. Microbiology Research. 2023; 14(3):1291-1300. https://doi.org/10.3390/microbiolres14030087
Chicago/Turabian StyleSelvarajan, Vijaya Samoondeeswari, Ramganesh Selvarajan, Jeevan Pandiyan, and Akebe Luther King Abia. 2023. "Unveiling the Potency and Harnessing the Antibacterial Activities of Plant Oils against Foodborne Pathogens" Microbiology Research 14, no. 3: 1291-1300. https://doi.org/10.3390/microbiolres14030087