Determination of Microbiological Quality of Stuffed Mussels Sold in Aydin and Izmir

Year 2015, Volume: 3 Issue: 1, 70 - 76, 01.05.2015

F. Kök S. Büyükyörük D. Beyaz E. Göksoy P. Koçak C. Şahiner

Abstract

Mytilus galloprovincialis is called ‘‘black mussel’’ in Turkey and is mostly consumed as
stuffed mussels and fried mussels. Mussels pump large quantities of water through their
bodies, so they accumulate the toxic substances and microorganisms present in ambient
water. In recent years, stuffed mussel sale increased in various foods consumption places
(restaurants, supermarkets, etc.) in Turkey. The aim of this study was invastigated the
microbiological quality of thirty stuffed mussels samples (270 stuffed mussels in total)
collected from street sellers according to Turkish Food Codex (TFC) in Aydın and in İzmir
provience. The microbiological analysis of stuffed mussel samples showed that the total
viable counts were ranging between <2 and 6.44 log cfu/g. The numbers of Bacillus cereus,
Staphylococcus aureus, and coliform were ranging between <2.00 and 4.36 log cfu/g, <2.00
and 4.55 log cfu/g, and <10 cfu/g, respectively. L. monocytogenes was determined in none
samples. However L. ivanovii was identified in 4 samples, Vibrio spp. in 7 samples. Also,
two samples were showed positive for the both pathogens. So, the result of this investigation
indicated that stuffed mussels might constitute a potential health hazard, especially when
kept at high ambient temperatures, depending on contamination level and lack of sanitary
practices, and therefore, handling practices should require more attention and improvement

Keywords

Listeria spp., microbiological quality, stuffed mussels, Vibrio spp.

Aydın ve İzmir Bölgesinde Satışa Sunulan Midye Dolmaların Mikrobiyolojik Kalitelerinin Belirlenmesi

Abstract

Türkiye'de kara midyesi olarak bilinen Mytilus galloprovincialis daha çok midye tava ve midye dolma şeklinde tüketilmektedir. Midyeler; beslenmelerini, yaşadıkları ortamdaki suyu filtre etmek suretiyle, su içerisindeki maddelerle sağladıklarından dolayı çeşitli toksik maddeleri ve patojenleri bünyelerinde barındırabilmektedir. Bu çalışma Aydın ve İzmir illerinde satışa sunulan 30 farklı sokak satıcısından dokuzar adet olmak üzere toplam 270 adet midye dolma örneklerinin mikrobiyolojik kalitesini tespit etmek amacıyla yapılmıştır. Örnekler toplam aerobik mezofilik bakteri, koliform bakteriler, Staphylococcus aureus, Bacillus cereus, Listeria monocytogenes ve Vibrio spp. varlığı yönünden incelenmiştir. Yapılan analizler sonucunda toplam aerobik mezofilik bakteri, S. aureus, B. cereus ve koliform sayıları sırasıyla 2-6,44 log kob/g, 2-4,55 log kob/g, 2-4,36 log kob/g ve <10 log kob/g arasında belirlenirken, örneklerin hiçbirinde L. monocytogenes’e rastlanılmamıştır. Ancak incelenen örneklerin 4’ü L. ivanovii ve 7’si Vibrio spp. varlığı açısından pozitif bulunmuş ayrıca 2 satıcıdan temin edilen örneklerde de her iki patojende tespit edilmiştir. Sonuç olarak; incelenen midye dolma örneklerinin hijyenik kalitesinin düşük olduğu S. aureus, B. cereus, Vibrio spp. içermesi nedeniyle halk sağlığı açısından potansiyel bir tehlike oluşturabileceğini söyleyebiliriz

Keywords

Listeria spp., midye dolma, mikrobiyolojik kalite, Vibrio spp

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