Table 3.

Results for the microbiological screening in the hotel canteen by sample material and detected microorganisms

Analyzed material	Bacillus cereus	Escherichia coli	Enterococci	Further potentially harmful species
Cut papaya fruit from the breakfast buffet	Negative	Negative	Positive	Pseudomonas aeruginosa
Cut watermelon from the breakfast buffet	Negative	Negative	Positive	Enterobacter cloacae ssp. cloacae
Tomatoes in the hotel kitchen	Positive	Negative	Positive	ESBL-positive Klebsiella oxytoca, Acinetobacter spp.
Apples in the hotel kitchen	Positive	Negative	Negative	Enterobacter cloacae ssp. cloacae
Cut cabbage in the hotel kitchen	Negative	Negative	Negative	Pseudomonas aeruginosa, Klebsiella pneumoniae
Handle of the big refrigerator in the hotel kitchen	Negative	Negative	Positive	Aeromonas hydrophila/caviae
Cutting machine of the hotel kitchen	Negative	Negative	Positive	Delftia acidovorans, Acinetobacter pittii
Cutting plate of the hotel kitchen	Positive	Negative	Positive	Enterobacter cloacae ssp. cloacae, Klebsiella pneumoniae
Flour from a working place in the bakery	Negative	Negative	Negative	Klebsiella oxytoca, Enterobacter cloacae ssp. cloacae
Red chili sauce from the lunch buffet	Negative	Negative	Negative	Enterobacter cloacae ssp. cloacae, Acinetobacter ursingii
White rice from the lunch buffet	Negative	Negative	Negative	Pantoea agglomerans
Cut carrots from the lunch buffet	Negative	Negative	Positive	Acinetobacter pittii, Aeromonas hydrophila/caviae, Kluyvera cryocrescens
Cold chicken salad from lunch	Negative	Positive	Positive	Aeromonas hydrophila/caviae, Enterobacter ludwigii
Cake as a dessert from lunch	Negative	Negative	Negative	Klebsiella pneumoniae, Enterobacter cloacae ssp. cloacae, Klebsiella oxytoca
Paprika salad from the dinner buffet	Negative	Positive	Positive	Pseudomonas aeruginosa, Proteus spp.
Mayonnaise salad from the dinner buffet	Negative	Negative	Positive	Pseudomonas aeruginosa, Proteus spp.
Olives from the dinner buffet	Negative	Negative	Positive	Bacillus cereus var. mycoides, Proteus spp.