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Coriander Oil Shows Potential As Natural Antibiotic

August 23, 2011: 12:00 AM EST
Portuguese researchers report that coriander oil is toxic enough to a variety of harmful bacteria to be used in foods to prevent food-borne illnesses. The researchers tested coriander oil against 12 bacterial strains, including Escherichia coli, Salmonella enterica, Bacillus cereus and meticillin-resistant Staphylococcus aureus (MRSA). Solutions containing 1.6 percent coriander oil killed or reduced the growth of the tested bacterial strains. According to the researchers, coriander oil damages the membrane surrounding the bacterial cell, inhibits essential processes and ultimately causes cell death. They suggest that in addition to use in the food industry, coriander oil could be used as a natural alternative to antibiotics in lotions, mouth rinses and pills.
Filomena Silva, et al., "Coriander (Coriandrum sativum L.) essential oil: its antibacterial activity and mode of action evaluated by flow cytometry", Journal of Medical Microbiology, August 23, 2011, © Society for General Microbiology
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