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Powerful Essential Oils Kills Nail Fungus
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http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?
cmd=Retrieve&db=PubMed&list_uids=10438227&dopt=Abstract
Antimicrobial activity of essential oils and other plant extracts.
Hammer KA, Carson CF, Riley TV.
Department of Microbiology, The University of Western Australia, Nedlands,
Western Australia. khammer@cyllene.uwa.edu.au
The antimicrobial activity of plant oils and extracts
has been recognized for many years. However, few investigations have
compared large numbers of oils and extracts using methods that are
directly comparable. In the present study, 52 plant oils and extracts were
investigated for activity against Acinetobacter baumanii, Aeromonas
veronii biogroup sobria, Candida albicans, Enterococcus faecalis,
Escherichia col, Klebsiella pneumoniae, Pseudomonas aeruginosa, Salmonella
enterica subsp. enterica serotype typhimurium, Serratia marcescens and
Staphylococcus aureus, using an agar dilution method. Lemongrass, oregano
and bay inhibited all organisms at concentrations of < or = 2.0% (v/v).
Six oils did not inhibit any organisms at the highest concentration, which
was 2.0% (v/v) oil for apricot kernel, evening primrose, macadamia,
pumpkin, sage and sweet almond. Variable activity was recorded for the
remaining oils. Twenty of the plant oils and extracts were investigated,
using a broth microdilution method, for activity against C. albicans,
Staph. aureus and E. coli. The lowest minimum inhibitory concentrations
were 0.03% (v/v) thyme oil against C. albicans and E. coli and 0.008%
(v/v) vetiver oil against Staph. aureus. These results support the notion
that plant essential oils and extracts may have a role as pharmaceuticals
and preservatives.
PMID: 10438227 [PubMed - indexed for MEDLINE]
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