Microorganismes (log cfu∙g⁻¹)

Vegetable (Lettuce)

Tanghin

Paspanga

Total mesophilic aerobic

9.96^a

8.25^b

Total coliform

5.77^a

5.27^a

Fecal coliform

4.85^a

4.99^a

E. coli

4.01^a

4.74^a

Salmonella spp.

3.12^a

2.07^b

Enterobacteria

5.48^a

3.92^b

Staphylococcus spp.

3.10^a

2.35^a

Pseudomonas spp.

0.30

00

Yeast and moulds

6.97^a

5.88^b