Limonene emissions: Do different types have different biological effects?

Journal Publication ResearchOnline@JCU
Nematollahi, Neda;Ross, Perran;Hoffmann, Ary A.;Kolev, Spas D.;Steinemann, Anne
Abstract

Limonene is one of the most abundant pollutants indoors, and it contributes to the formation of additional pollutants, such as formaldehyde and photochemical smog. Limonene is commonly used in fragranced consumer products, such as cleaning supplies and air fresheners, which have also been associated with health problems. Limonene can exist in different enantiomeric forms (R-limonene and S-limonene) and be derived from different sources. However, little is known about whether different forms and sources of limonene may have different effects. This research explored whether different types of limonene, at the same concentrations, could elicit different biological effects. To investigate this question, the study employed Aedes aegypti mosquitoes, which have sophisticated olfactory abilities, in olfactometer tests of repellency/attraction. The results indicate that a synthetic source of R-limonene is more repellent than a natural source of R-limonene. In addition, synthetic sources of both R-limonene and S-limonene are not significantly different in repellency. These findings can contribute to our understanding and further exploration of the effects of a common fragrance compound on air quality and health.

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International Journal of Environmental Research and Public Health

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18

ISBN/ISSN

1660-4601

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Pages Count

6

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Publisher

Molecular Diversity Preservation International

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DOI

10.3390/ijerph181910505