Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean concentration ranges of Staphylococcus, Salmonella, and Yersinia in salad samples.
| Pathogens | Carrot (min–max) | Mean | Onion (min–max) | Mean |
|---|---|---|---|---|
| Staphylococcus | 2.0–5.2 (102–105) | 4 | 2.0–5.0 (102–105) | 3.2 |
| Salmonella | 3.0–5.4 (103–105) | 4.4 | 2.0–5.4 (102–105) | 3.9 |
| Yersinia | 3.3–5.4 (103–105) | 4.5 | 2.9–4.8 (102–105) | 3.9 |
*Range of microbial counts (log10 cfu/g).
