Differential toxicological effects of natural and synthetic sources and enantiomeric forms of limonene on mosquito larvae
Journal Publication ResearchOnline@JCUAbstract
Common fragranced consumer products, such as cleaning supplies and personal care products, emit chiral compounds such as limonene that have been associated with adverse effects on human health. However, those same compounds abound in nature, and at similar concentrations as in products, but without the same apparent adverse human health effects. We investigated whether different types of limonene may elicit different biological effects. In this study, we investigated the mortality rate of mosquito larvae in response to changes in their environment. Specifically, we tested different sources of naturally occurring R-limonene and chemically synthetized limonene, containing one of its enantiomeric forms (R-, S-) in mortality bioassays with Aedes aegypti mosquito larvae. We found that a natural source of limonene extracted from oranges induced lower mortality of mosquito larvae compared to synthetic sources at the same concentration. However, enantiomeric forms did not differ in their effects on mortality. Our results provide novel evidence that natural sources of a chemical can cause lower rates of mortality than synthetic sources.
Journal
Air Quality, Atmosphere and Health
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Volume
15
ISBN/ISSN
1873-9326
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Pages Count
4
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Publisher
Springer
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DOI
10.1007/s11869-021-01106-7