Research Article

Prevalence and Antibiotic Resistance of Listeria monocytogenes Isolated from Ready-to-Eat Foods in Turkey

Table 1

Prevalence of Listeria species in RTE foods.

ProductNumber of samplesNumber of positive samples (%)
Listeria spp.L. monocytogenesL. innocuaL. welshimeriL. seeligeri

Cooked red meat product4414 (31.8)7 (15.9)4 (9.1)2 (4.6)1 (2.3)
Cooked chicken product389 (23.7)4 (10.5)3 (7.9)2 (5.3)0 (–)
Seafood product257 (28.0)3 (12.0)2 (8.0)2 (8.0)0 (–)
Vegetarian product151 (6.7)0 (–)1 (6.7)0 (–)0 (–)
Raw lettuce150 (–)0 (–)0 (–)0 (–)0 (–)
Fruit salad130 (–)0 (–)0 (–)0 (–)0 (–)
Egg-based product121 (8.3)0 (–)0 (–)1 (8.3)0 (–)
Vegetable salad114 (36.4)2 (18.2)1 (9.1)1 (9.1)0 (–)
Dairy product103 (30.0)1 (10.0)2 (20.0)0 (–)0 (–)
Mayonnaise-based deli salad102 (20.0)0 (–)1 (10.0)1 (10.0)0 (–)
Desserts with milk80 (–)0 (–)0 (–)0 (–)0 (–)
Total20141 (20.4)17 (8.5)14 (7.0)9 (4.5)1 (0.5)
CI 95%11.4–21.2%5.08–12.81%3.67–12.65%3.40–6.38%0.201–2.914%