Table 1.
Concentration of antibiotics in treated plants measured by UPLC-MS/MS
| Treatment | Chemical | Roots | Stems | Old leaves | New leaves | Flowers | Fruit |
| Control | Lincomycin | ND | ND | ND | ND | ND | ND |
| Ciprofloxacin | NQ | NQ | NQ | NQ | NQ | NQ | |
| Oxytetracycline | NQ | NQ | NQ | NQ | NQ | NQ | |
| Antibiotics | Lincomycin | ND | ND | ND | ND | ND | ND |
| Ciprofloxacin | 23,524.58 (4,131.78) | NQ | 23.78 (3.21) | 161.70 (59.53) | NQ | NQ | |
| Oxytetracycline | 274.72 (64.32) | NQ | NQ | NQ | NQ | NQ | |
| Mixture | Lincomycin | ND | ND | ND | ND | ND | ND |
| Ciprofloxacin | 13,589.40 (5,654.30) | NQ | 124.36 (26.44) | 16.05 (15.57) | 17.31 (10.66) | NQ | |
| Oxytetracycline | NQ | NQ | NQ | NQ | NQ | NQ |
Chemical extraction data of tomatoes, variety “yellow pear,” per micrograms per kilogram are shown with standard error of the mean (SEM) in parentheses. ND denotes nondetectable, NQ denotes detectable but nonquantifiable, and parenthetical numbers designate SEM.