Essential oils of gramineae family having antibacterial activity part i. cymbopogon citratus cymbopogon martinii and cymbopogon jawarancusa oils

Syed, M.; Khalid, M.R.; Chaudhary, F.M.

Pakistan Journal of Scientific and Industrial Research 33(12): 529-531


ISSN/ISBN: 0030-9885
Accession: 007312461

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The essential oils of three indigenous species of Gramineae family, and Cymbopogon genus, i.e. Cymbopogon citratus, C. martinii, and C. jawarancusa had been tested for their antibacterial activity against Escherichia coli, Staphylococcus aureus, Shigella flexneri, and Salmonella typhi, Para-A by spectrophotometeric method. The essential oil of C. citratus was found to be highly active even at lowest concentration and caused complete inhibition of S. aureus at less than 400 ppm. The other bacteria also exhibited high response to this essential oil. C. martinii oil was more active against S. flexneri and S. typhi while the essential oil of C. jawarancusa also had appreciably high activity against both of these bacteria, but less than the former two oils. The activity of above mentioned oils might have been attributed to their major constitutents, like citral, geraniol and piperitone. Conditions should be searched to produce varieties of these grasses with higher concentrations of these active components.