4.7 Article

Young people exposure to antibiotics: Implication for health risk and the impact from eating habits of takeaway food

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SCIENCE OF THE TOTAL ENVIRONMENT
卷 902, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.scitotenv.2023.166377

关键词

Antibiotics; Takeaway food; Biomonitoring; Oxidative stress; Exposure health assessment

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This study found that high-frequency consumption of takeaways may lead to human exposure to antibiotics, exacerbating oxidative stress trends. Over 90% of the urine samples from 297 young people contained at least one antibiotic, with high exposure levels more likely in individuals with a larger body mass index. The concentrations of six antibiotics were significantly different among people with different overall weekly eating frequencies, usually showing an upward trend. Clarithromycin, ciprofloxacin, and oxytetracycline were the main contributors to the estimated daily intakes of antibiotics. Additionally, there was a significant positive correlation between DNA oxidative damage and exposure to four categories of antibiotics.
Exposure to antibiotics, mainly from animal food ingestion, may have adverse effects on human health. Takeaway food is the preferred choice for the dietary of most Chinese young people nowadays, but the relationship between takeaway eating and antibiotic exposure is not yet adequately understood. In the present study, 297 young people were recruited to collect urine samples and questionnaires with an emphasis on their takeaway eating habits. The internal exposure to 16 antibiotics and three metabolites was measured in urine samples by high-performance liquid chromatography-tandem mass spectrometry, as well as a DNA oxidative damage marker, 8-hydroxydeoxyguanosine (8-OHdG). At least one kind of antibiotic was found in over 90 % of urine samples, with total concentrations from 0.667 to 3.02 x 104 ng/mL. High exposure levels of antibiotics were more likely to be found in individuals with a larger body mass index. The concentrations of six antibiotics were significantly different among people with different overall weekly eating frequencies, usually an upward trend. The estimated daily intakes of antibiotics were on the levels of 0.001-1.0 & mu;g/kg/day, mainly contributed by clarithromycin, ciprofloxacin and oxytetracycline, indicating a potential health risk based on the microbiological effect. A significantly positive correlation was found between DNA oxidative damage and exposure for four categories of antibiotics, conformed by both Spearman correlation and multiple linear regression analysis. The levels of 8-OHdG were 355 %, 239 %, 234 %, and 334 % higher with elevated levels of phenicols, macrolides, tetracyclines and sulfonamides from quartiles 2 to 4. Our results suggest that high-frequency consumption of takeaways may exacerbate oxidative stress trends through human exposure to antibiotics.

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