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Investigation and comparison of effects of natural composition inhibitory Staphylococcus aureus in industrial doogh samples with response surface method (RSM)

Authors: F. Tabatabaie yazdi; A. Mortazavi; A. Koocheki; S. Afsharian;

Investigation and comparison of effects of natural composition inhibitory Staphylococcus aureus in industrial doogh samples with response surface method (RSM)

Abstract

In recent years, the uses of natural antimicrobial compounds, including extracts and herbal powders as preservative compound of the food are increasingly popular. The aim of the study was to evaluate antimicrobial effect of extract and powder of lamiaceae plants (thymus vulgaris L., Mentha spp. and Ziziphora tenuir L.) over prevention of pathogenic bacteria (Staphylococcus aureus) growth by examining industrial Doogh samples. For this purpose, three extracts contained (0, 0.075, 0.15 v/v) and powder contained (0, 0.075, 0.15 v/v) were prepared. Bacterial population decrease or survival in doogh samples were examined according to Staphylococcus pure strains in a 24 hours time within separate rounds by measuring the kinetics of bactericidal effects, using response surface design. Analysis Results in the inhibition effects of natural antibiotic agent in the Doogh samples revealed that: the powder of Lamiaceae family have greater effects on decreasing population of Staphylococcus than extracts. The best amounts of powder for decreasing pathogenic bacterial population were as flowing, Thymus 0.09 (v/v), Mentha 0.06 (v/v), and Ziziphora 0.14(v/v). In these circumstances greatest reduction of Staphylococcus population in 24 h is 1.98 Log/ml.

Subjects by Vocabulary

Library of Congress Subject Headings: lcsh:Food processing and manufacture lcsh:TP368-456

Keywords

staphylococcus aureus, thymus vulgaris l, natural inhibitor compounds, mentha spp. and ziziphora tenuir l, industrial doogh

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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