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Paper Information

Journal:   FINDINGS SCIENCE   2011 , Volume 7 , Number 3; Page(s) 0 To 0.
 
Paper: 

EVALUATION OF ANTIFUNGAL EFFECTS OF THREE MEDICINAL PLANT THYMUS¸ MENTHA, SATUREJA ON SPORULATION, GERMINATION INHIBITION OF CONIDIA AND HYPHAL GROWTH OF ASPERGILLUS NIGER

 
 
Author(s):  MIMARIAN M., MALEKZADEH F., RAZAVI M.R., DAKHILI M.
 
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Abstract: 

The growing interest in substation of chemical food preservatives, both antimicrobials and antioxidants, by natural ones has fostered research on the vegetable sources and screening of plant extracts and essentials in order to identify acceptable natural alternatives. In order to evaluate the antimicrobial effects of different essential oils on foodborne pathogens and/or food spoilage microorganisms, first should study them in laboratory models and them in food. In this study, were investigated essential oils effects of thymus, mentha, satureji on growth inhibition of spore and sporulation of aspergillus niger by different concentrations(0.4, 0.8, 1.5, 2.5, 3, 3.5, 4.5 mg/ml)in broth media during time interval at different tempretures (37oc, 26oc, 10oc) Results:essential oils leaves and flowers from thymus kutschyanus satureja hortensis and menthe longifolia obtained by hydrodistillation by Clevenger type apparatus was analyzed by GC/MS. Volatile oila of thymus and satureja at 37oc by concentrations 0.4, 0.8 µg/ml, showed Oils of thymus & saturega showed MIC=2.5 mg/ml in condium inhibition of aspergillus niger. Mentha in this tests, had less than effect, in comparison to others. In addition, effects of both essential oils (thymus & satureja) by concentration 1.5 mg/ml was better than mentha oil (MIC=2.5 mg/ml).

 
Keyword(s): ESSENTIAL OILS, SPORE, BACILLUS CEREUS, ASPERGILLUS NIGER, SPORULATION, MIC=MINIMUM INHIBITORY CONCENTRATION, THYMUS KUTSCHYANUS, MENTHE LONGIFOLIA, SATUREJA HORTENSIS
 
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