Kayseri ilinde satışa sunulan manda yoğurtlarının mikrobiyolojik kalitesi
Küçük Resim Yok
Tarih
2014
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Bu çalışmada Kayseri’de satışa sunulan manda yoğurtlarının mikrobiyolojik kalitesinin ortaya konulması amaçlandı. Bu amaçla Kayseri ili ve ilçelerindeki halk pazarlarından temin edilen 100 adet manda yoğurdu örneği materyal olarak kullanıldı. Toplanan örnekler Koliform grubu bakteriler, Escherichia coli, Staphylococcus aureus, Salmonella spp., maya-küf, toplam aerobik mezofilik bakteri (TAMB) ve laktik asit bakterileri (LAB) yönünden incelendi. İncelenen 100 adet yoğurt numunesinin 18’inde (%18) ortalama 14,8±0,24 EMS/g koliform bakteri, 9’unda (%9) 1,85±0,18 EMS/g E. coli ve 7’sinde (%7) 4,9±0,21 log10 kob/g düzeyinde S. aureus varlığı belirlendi. Ayrıca numunelerin tamamında ortalama (log10kob/g) 5,21±0,10 maya; 5,16±0 küf; 7,72±0,14 TAMB ve 6,58±0,18 LAB tespit edilirken hiçbir örnekte Salmonella spp. varlığı tespit edilemedi. Elde edilen sonuçlara göre incelenen manda yoğurdu örneklerinin, Türk Gıda Kodeksi Fermente Süt Ürünleri Tebliği’ndeki mikrobiyolojik kriterlere uygun olmadığı ve yedi yoğurt örneğinin tebliğde yer almayan ancak gıda güvenliği bakımından tehlike olarak tanımlanan S. aureus ile kontamine olduğu tespit edildi.
The purpose of this study was to determine the microbiological quality of water buffalo yoghurts sold at retail in Kayseri province of Turkey. Total 100 yoghurt samples were collected from public bazaars of the centre and four different districts of Kayseri. Samples were analyzed for the presence and numbers of total coliforms, Escherichia coli, Staphylococcus aureus, Salmonella spp., yeast, moulds, total aerobic mesophilic bacteria (TAMB) and lactic acid bacteria (LAB). Among the samples analyzed, 18 (18%), 9 (9%) and 6 (6%) of the samples were found to be contaminated with coliforms, E. coli and S. aureus with the mean counts of 14.8±0.24 MPN/g, 1.85±0.18 MPN/g and 4.9±0.21 log10 cfu/g respectively. In addition, all of the samples found to be contaminated with yeast, moulds, TAMB and LAB with the mean numbers (as log10cfu/g) of 5.21±0.10, 5.16±0.08,7.72±0.14 and 6.58±0.18 respectively. Salmonella spp. was not isolated from any samples. The results of this study demonstrated that water buffalo yoghurt samples examined in the study do not meet cover the microbiological criteria of the Turkish Food Codex Communique on Fermented Milk and also seven samples were found to be contaminated with S. aureus not included in the communique, but defined as hazard in terms of food safety.
The purpose of this study was to determine the microbiological quality of water buffalo yoghurts sold at retail in Kayseri province of Turkey. Total 100 yoghurt samples were collected from public bazaars of the centre and four different districts of Kayseri. Samples were analyzed for the presence and numbers of total coliforms, Escherichia coli, Staphylococcus aureus, Salmonella spp., yeast, moulds, total aerobic mesophilic bacteria (TAMB) and lactic acid bacteria (LAB). Among the samples analyzed, 18 (18%), 9 (9%) and 6 (6%) of the samples were found to be contaminated with coliforms, E. coli and S. aureus with the mean counts of 14.8±0.24 MPN/g, 1.85±0.18 MPN/g and 4.9±0.21 log10 cfu/g respectively. In addition, all of the samples found to be contaminated with yeast, moulds, TAMB and LAB with the mean numbers (as log10cfu/g) of 5.21±0.10, 5.16±0.08,7.72±0.14 and 6.58±0.18 respectively. Salmonella spp. was not isolated from any samples. The results of this study demonstrated that water buffalo yoghurt samples examined in the study do not meet cover the microbiological criteria of the Turkish Food Codex Communique on Fermented Milk and also seven samples were found to be contaminated with S. aureus not included in the communique, but defined as hazard in terms of food safety.
Açıklama
Anahtar Kelimeler
Veterinerlik
Kaynak
İstanbul Üniversitesi Veteriner Fakültesi Dergisi
WoS Q Değeri
Scopus Q Değeri
N/A
Cilt
40
Sayı
1
