Antibacterial activity of essential oils and their major constituents against respiratory tract pathogens by gaseous contact

Among the 14 essential oils, cinnamon bark, lemongrass and thyme (wild and red) oils showed the highest activity, inhibiting six strains at <12.5 mg/L air, with the exception of lemongrass oil, which exhibited weak activity against E. coli (MID, 100 mg/L air). Perilla, thyme (geraniol), peppermint, tea tree, coriander and…

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