Toxicity of Gutkha, a smokeless tobacco product gone global: Is there more to the toxicity than nicotine? Journal Article

Authors: Willis, D. N.; Popovech, M. A.; Gany, F.; Hoffman, C.; Blum, J. L.; Zelikoff, J. T.
Article Title: Toxicity of Gutkha, a smokeless tobacco product gone global: Is there more to the toxicity than nicotine?
Abstract: The popularity of smokeless tobacco (ST) is growing rapidly and its prevalence of use is rising globally. Consumption of Gutkha, an addictive form of ST, is particularly common amongst South Asian communities throughout the World. This includes within the US, following large-scale immigration into the country. However, there exists a lack of knowledge concerning these alternative tobacco products. To this end, a study was carried out to determine the toxicity of gutkha, and what role, if any, nicotine contributes to the effects. Adult male mice were treated daily for 3-week (5 day/week, once/day), via the oral mucosa, with equal volumes (50 μL) of either sterile water (control), a solution of nicotine dissolved in water (0.24 mg of nicotine), or a solution of lyophilized guthka dissolved in water (21 mg lyophilized gutkha). Serum cotinine, measured weekly, was 36 and 48 ng/mL in gutkha- and nicotine-treated mice, respectively. Results demonstrated that exposure to nicotine and gutkha reduced heart weight, while exposure to gutkha, but not nicotine, decreased liver weight, body weight, and serum testosterone levels (compared to controls). These findings suggest that short-term guhtka use adversely impacts growth and circulating testosterone levels, and that gutkha toxicity may be driven by components other than nicotine. As use of guthka increases worldwide, future studies are needed to further delineate toxicological implications such that appropriate policy decisions can be made. © 2014 by the authors; licensee MDPI, Basel, Switzerland.
Keywords: nicotine; testosterone; smokeless tobacco; gutkha; systemic toxicity
Journal Title: International Journal of Environmental Research and Public Health
Volume: 11
Issue: 1
ISSN: 1660-4601
Publisher: MDPI  
Date Published: 2014-01-09
Start Page: 919
End Page: 933
Language: English
DOI: 10.3390/ijerph110100919
PROVIDER: scopus
PMCID: PMC3924482
PUBMED: 24413704
Notes: Export Date: 3 February 2014 -- Source: Scopus
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MSK Authors
  1. Francesca Mara Gany
    101 Gany