Peer-Reviewed Publications

      Arsenic concentration in tobacco leaves: A study on three commercially important tobacco (Nicotiana tabacum L.) types

      Lugon-Moulin, N.; Martin, F.; Krauss, M. R.; Ramey, P. B.; Rossi, L.
      Published
      Mar 12, 2008
      DOI
      10.1007/s11270-008-9658-3
      Link to publication
      Topic
      Summary

      In recent years, arsenic (As) has received increased attention as humans may be exposed to it through occupational and environmental exposure. Tobacco (Nicotiana tabacum L.) like other crops can uptake this element from the soil, which may lead to human exposure. Here, we report on a survey on arsenic in cured or processed tobacco leaves obtained from Africa, Asia, Europe, South and North America. A total of 1,431 leaf samples of flue-cured, burley, and Oriental tobaccos were obtained from various sampling locations during 2002 to 2004. Arsenic concentration in the samples averaged 0.4 ± 0.6 μg g−1 as determined by inductively coupled plasma-mass spectrometry. Recorded values from most samples showed that concentrations of arsenic were usually found at the lower end of the distribution. Significant differences were found among tobacco types, sampling locations, and crop years. Arsenic concentrations were rather low in the majority of regions investigated, which is compatible with data from the literature. However, sample size was small and sampling geographically restricted. Our results would need to be validated with a larger dataset.

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