Nostro A, Cannatelli MA, Musolino AD, Procopio F, Alonzo V
Letters in Applied Microbiology, 2002
ABSTRACT:
AIMS:
The purpose of this work was to evaluate the effect of Helichrysum italicum extract on enterotoxin (A-D) production by Staphylococcus aureus strains.
METHODS AND RESULTS:
The production of enterotoxins A-D in the presence or absence of H.italicum diethyl ether extract was estimated in microtiter plates using a reversed passive latex agglutination (SET-RPLA) kit (Oxoid, Basingstoke, UK). The results indicate that, in culture medium, inhibition of staphylococcal growth and enterotoxins appeared with 250-125 microg ml(-1) of the extract. Lower concentrations of the extract (62.5-31.25 microg ml(-1)) did not affect the final viable count of Staph. aureus but reduced the production of enterotoxins B and C.
CONCLUSIONS:
H. italicum interferes with growth and production of enterotoxins by Staph. aureus.
SIGNIFICANCE AND IMPACT OF THE STUDY:
There is considerable interest in the use of natural compounds as alternative methods to control undesirable pathogenic micro-organisms.
CITATION:
Nostro A, Cannatelli MA, Musolino AD, et al. Helichrysum italicum extract interferes with the production of enterotoxins by Staphylococcus aureus. Lett Appl Microbiol. 2002;35(3):181-184.
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