Effects of Lifestyle on Urinary 1‐hydroxypyrene Concentration

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  • Kawamoto Toshihiro
    Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
  • Yang Mihi
    Department of Toxicology, College of Pharmacy, Sookmyung Women's University
  • Kim Yong-Dae
    Department of Preventive Medicine, College of Medicine, Chunbuk National University
  • Kim Heon
    Department of Preventive Medicine, College of Medicine, Chunbuk National University
  • Oyama Tsunehiro
    Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
  • Isse Toyohi
    Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
  • Matsuno Koji
    Bio-information Research Center, University of Occupational and Environmental Health
  • Katoh Takahiko
    Department of Public Health, Miyazaki University School of Medicine
  • Uchiyama Iwao
    Department of Urban and Environmental Engineering, Graduate School of Engineering, Kyoto University

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  • Effects of Lifestyle on Urinary 1-hydroxypyrene Concentration

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This study aimed to clarify the variation of urinary excretion of 1-hydroxypyrene, which is a major metabolite of pyrene, in relation to lifestyle, including factors such as diet and smoking. The study subjects were 251 workers (male: 196, female: 55, mean age: 44.3) who were not occupationally exposed to PAHs. Urine specimens were collected from 8:00 a.m. to 11:00 a.m. and their 1-hydroxypyrene concentrations were determined by HPLC. A questionnaire was distributed in order to learn gross aspects of the subjects' lifestyles, i.e., smoking, alcohol consumption, coffee/black tea intake, and dietary habits. Multiple linear regression analysis revealed that cigarette consumption most strongly affected the 1-hydroxypyrene level in urine, followed by dietary balance. The urinary 1-hydroxypyrene concentrations of smokers were about 2 times higher than those of non-smokers. Subjects who ate more meat and/or fish excreted 1.5-2 times more 1-hydroxypyrene in urine than those who ate more vegetables.<br>

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