Performance Comparison of 5 Selective Media Used to Detect Staphylococcus aureus in Foods
2010
Kim, H.J., Korea Food Research Institute, Seongnam, Republic of Korea | Oh, S.W., Kookmin University, Seoul, Republic of Korea
Performance comparison tests were carried out on Staphylococcus aureus selective media recommended by food safety agencies or approved by international standardization bodies. The performance of mannitol salt agar (MSA), Baird parker agar, Vogel johnson agar, RAPID' Staph, and CHROMagar staph aureus are compared. Four out of the 5 media showed 100% sensitivity, with MSA showing 96.5%. MSA also showed only 66.6% specificity, while 4 out of 5 media showed 100% specificity. In recovery tests S. aureus was more easily recovered from instant cooked rice than fish fillet. The tested media did not have a significant difference on recovery activity.
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