期刊
ENVIRONMENT INTERNATIONAL
卷 156, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.envint.2021.106721
关键词
Commercial cooking chefs; External exposure; Internal exposure; Health effect
资金
- National Natural Science Foundation of China [41822709]
- National Key Research and Development Project [2019YFC1804001, 2019YFC1804503]
- Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control Project [GKLECPC-02]
Commercial cooking poses higher health risks due to greater intensity of volatile organic chemical pollutants compared to home cooking. This study highlights the importance of monitoring aromatic hydrocarbons in kitchens and investigating potential health effects on occupational exposed chefs. Improving ventilation in kitchens is also crucial to reduce health risks.
Commercial cooking has higher intensity and more severe instantaneous cooking pollution from volatile organic chemicals compared to home cooking, making health risk assessment of occupational exposure for chefs a priority. In this study, chefs from three cooking styles of kitchens, including steaming, frying, and grilling, were selected to investigate the external and internal exposures, health risks and effects of several typical aromatic hydrocarbons (benzene, toluene and naphthalene). Naphthalene was found to be the most concentrated contaminant in air samples among the different kitchens, while benzene had the lowest concentration. The concentration of toluene in frying kitchens was significantly higher than that in steaming kitchens. Air concentrations of toluene in frying kitchens, as well as benzene concentrations in grilling kitchens exceeded the standard level according to indoor air quality standard (GB/T18883-2002). Regarding the metabolites of pollutants in urine, the content of S-benzylmercapturic acids (S-BMA) for frying chefs was significantly higher than that for other cooking styles of chefs, which was consistent with the relatively higher air concentrations of toluene. There was a good correlation between internal and external exposure of the pollutants. The level of oxidative stress was influenced by 2-hydroxynaphthalene (2-OHN) and S-BMA, indicating the potential health risks of these occupational exposed chefs. This study indicates the need to improve the monitoring of typical aromatic hydrocarbons, as well as to investigate their potential health effects in large-scale groups, and improve the ventilation in kitchens.
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