Abstract
Our study aimed to carry out the prevalence and antibiotic resistance of the coagulase positive and negative Staphylococcus isolated from meat product sold in streets in Abidjan (Ivory Coast). Two hundred and forty (240) samples from three kind of meat product (beef, pork and chickens) were collected in four popular communes (Abobo, Adjamé, Treichville and Yopougon) of Abidjan. These samples were composed of 80 samples of each kind of meat. After seeding on appropriate medium, suspectedStaphylococcus strains were preliminary identified using API Staph protocol. The exact bacteria identity was confirmed by MALDI-TOF mass spectrometry. The Staphylococcusstrains susceptibility to 18 antibiotics was determined using the disc diffusion method on Mueller Hinton medium. Out of the 240 tested samples, 96 Staphylococcus strains were isolated and identified. The coagulase positive specie isolated was Staphylococcus aureus with 19/96 (19.79%). Among the 77 coagulase negative strains, S. sciuri (32/77) was the most isolated followed by S. simulans (15/77). The highest resistance level was observed with erythromycin (100% for coagulase positive and 69.5% for coagulase negative). None resistance was observed with imipenem. The observed resistance to antibiotics of Staphylococcus strains suggests that the streets meat products sold at Abidjan are not appropriate and can be able to present a public health danger for the consumer. Key words: Staphylococcus, coagulases, MALDI-TOF-MS, antibiotics, meat products, Ivory Coast.
Highlights
Food safety became a worldwide concern (Ackah et al, 2011)
Our study aimed to carry out the prevalence and antibiotic resistance of the coagulase positive and negative Staphylococcus isolated from meat product sold in streets in Abidjan (Ivory Coast)
The identification tools used in this study revealed about 20% (19/96) of coagulase positive and 80% (77/96) of coagulase negative strains
Summary
Food safety became a worldwide concern (Ackah et al, 2011). In spite of the efforts made by World health organization, food contaminations remained a serious problem because those affections closely related to world3286 Afr. Apart of providing a source of income for the vendors, street foods are said to provide a source of readily available, inexpensive, nutritional meals (Ghosh et al, 2007) This kind of food is appreciated for it unique flavors and convenience, and for maintaining the nutritional status of the population. They assure food security for low-income urban population and livelihood for a significant proportion of the population in many developing countries (Tambekar et al, 2008), including Ivory Coast. In spite of these potential benefits, street foods have been reported to be contaminated with pathogens and have been implicated in food-borne disease (Nyenje et al, 2012)
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