Table 1.
Concentrations of microbiological and viral indicators in the different samples of strawberries and lettuce.
| Matrix | Origin | TC Log10 (UFC/g) | E. coli Log10 (UFC/g) | EnterococcusLog10 (UFC/g) | SRCLog10 (UFC/g) | SSRCLog10 (UFC/g) | Salmonella spp. NMP/50g |
|---|---|---|---|---|---|---|---|
| Strawberry (n:25) | Fields (n:8) | 5.3(4.3–6.1) | 0.7(<0.6–5.7) | 1.2 (<0.6–4.3) | 1(<0.6–1.4) | 0.9 (<0.6–1.8) | <0.006 (<0.006–0.007) |
| Marketplace (n:8) | 5.9 (5.3–6.5) | 0.7(<0.6–5.3) | 0.8 (<0.6–3.6) | 1.1 (0.9–1.6) | 0.7(<0.6–1.6) | 0.008 (<0.006–0.014) | |
| Supermarket (n:9) | 5.6(4.8–7.2) | <0.6(<0.6 - <0.6) | 1.1(<0.6–2.7) | 1.1 (0.6–1.6) | 0.8 (<0.6–1.3) | 0.008 (<0.006–0.014) | |
| Lettuces (n:25) | Fields (n:8) | 6.5 (5.7–7.3) | 0.6 (<0.6 - <0.6) | 2.0 (<0.6–3.6) | 0.6(<0.6–1.5) | 0.3(<0.6–1.6) | 0.078 (<0.006–0.202) |
| Marketplace (n:8) | 6.3 (5.3–7.3) | 0.8 (<0.6–6.0) | 1.9 (<0.6–5.1) | 1.1 (0.6–1.8) | 0.7(<0.6–1.3) | 0.07(<0.006–0.141) | |
| Supermarket (n:9) | 5.8(4.7–6.7) | <0.6(<0.6 - <0.6) | 1.2 (<0.6–3.3) | 1.1(0.6–1.7) | 0.7(<0.6–2.2) | 0.101(<0.006–0.271) |
(): Minimum - Maximum, TC: Total Coliform, SRC: Sulphite Reducing Clostridia, SSRC: Spores of Sulphite-Reducing Clostridia, NMP: Most Probable Number, CFU: Colony Unit Former y <: Limited de detection.