PMID: 1881415Sep 11, 1991Paper

Mutagenicity of wood smoke condensates in the Salmonella/microsome assay

Mutation Research
A O AsitaH Matsushita


Smoke condensates of woods used for food preservation and aromatization in Nigeria were tested for mutagenic activity using Salmonella typhimurium TA98 and TA100. The woods were: white mangrove (Avicennia nitida), red mangrove (Rhizophora racemosa), mahogany Khaya sp.), abura (Mitragyna ciliata), alstonia (Alstonia boonei) and black afara (Terminalia ivorensis). Cigarette tar was tested for comparison. The condensates induced dose-dependent increases in the number of His+ revertants mainly with S9 mix. With the exception of mahogany and cigarette smoke condensate, the smoke condensates induced more revertants/microgram condensate in TA100 than in TA98. The number of revertants/microgram condensate ranged between 0.04 and 0.9 for the wood smoke condensates and was 0.12 for the cigarette smoke in TA100. The range was between 0.1 and 0.30 for the wood smoke condensates and 0.18 revertants/microgram condensate for cigarette smoke condensate in TA98. Concentrations of 7 polycyclic aromatic hydrocarbons (PAHs) in the condensates were determined namely, pyrene, benzo[a]pyrene, benz[a]anthracene, benzo[k]fluoranthene, benzo[b]chrysene, benzo[g,h,i]perylene and dibenzo[a,e]pyrene. The condensates contained varying concentrations of the ...Continue Reading


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