Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 63, Issue 2, Pages 398-405Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jf5034637
Keywords
bioaccumulation; emerging contaminant; pharmaceuticals; phytoavailability; risk assessment; veterinary antibiotics
Funding
- Korea Ministry of Environment as a Geo-Advanced Innovative Action Project [G112-00056-0004-0]
- Ministry of Education, Science and Technology as the Basic Science Research Program through the National Research Foundation of Korea (NRF) [2012R1A1B3001409]
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Veterinary antibiotics can be released to environment by the animals' excretions, which thereby poses human health and ecological risks. Six antibiotics (tetracycline, oxytetracycline, chlortetracycline, sulfamethazine, sulfamethoxazole, and sulfadimethoxine) at three concentrations (5, 10, and 20 mg kg(-1) soil) were employed in pots filled with a loamy sand upland soil. Three types of vegetable seedlings, including cucumber (Cucumis sativus), cherry tomato (Solanum lycopersicum), and lettuce (Lactuca sativa), were also cultivated during 45 d in the greenhouse. All antibiotics taken up by tested plants showed negative effects on growth. Relatively high levels of tetracyclines and sulfonamides (SAs) were detected in the nonedible parts, roots, and leaves of cucumber and tomato, but fruit parts accumulated them lower than acceptable daily intake. Indeed, cucumber roots accumulated SAs by up to 94.6% of total addition (at 5 mg kg(-1) soil).
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