Microorganismes (log cfu∙g−1)

Vegetable (Lettuce)

Tanghin

Paspanga

Total mesophilic aerobic

9.96a

8.25b

Total coliform

5.77a

5.27a

Fecal coliform

4.85a

4.99a

E. coli

4.01a

4.74a

Salmonella spp.

3.12a

2.07b

Enterobacteria

5.48a

3.92b

Staphylococcus spp.

3.10a

2.35a

Pseudomonas spp.

0.30

00

Yeast and moulds

6.97a

5.88b