科研之友
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摘要
Objective: One of the main routes of transmission of antibiotic resistance in bacteria is through food production. The antibiotics that are used to control diseases are transferred to human through food stuff such as meat, milk, fruit, fruit juices, water and lead to the spread of antibiotic resistant bacteria to human populations. The aim of this study was to determine the pattern of antibiotic resistance of staphylococcus strains isolated from orange and apple juices in Shahre-Kord, Iran.
Methodology: This descriptive-sectional study was carried out on a total of 32 bacterial isolates of staphylococci (4 Staphylococcus aureus strains and 28 Staphylococcus epidermidis strains) isolated from 360 fruit juice samples tested in Shahre-kord. Antibiotic susceptibility test was performed using disc diffusion method and data were analyzed using fishers Z test.
Results: Staphylococcus aureus showed 25% resistance to five antibiotics which included tetracycline, co-trimoxazole, amoxicillin, erythromycin and methicillin. Staphylococcus epidermidis was the most resistant bacteria to erythromycin. Twenty five percent of the Staphylococcus aureus strains and 64.28% of the Staphylococcus epidermidis strains were resistant to two or more than two of the antibiotics used in this study.
Conclusions: The results showed that the vast majority of the bacterial isolates were resistant to one or more than one of the antibiotics studied. It is possible for bacterial resistance to result from food products like fruit juices. Therefore it is necessary to restrict the use of antibiotics and control the production, transportation of fruit juices.
- 出版日期2010-9
