The potential abilities of 3-methylbenzaldehyde derived from Myosotis arvensis oil and its structural analogues to act as new acaricide and mite kit (mite color deformation) against Tyrophagus putrescentiae (Schrank) were evaluated in the present study. Based on the LD values, 2,4,5-trimethylbenzaldehyde (0.78 μg/cm) had highest vapor action against T. putrescentiae, followed by 2,4-methylbenzaldehyde (1.14 μg/cm), 2,5-dimethylbenzaldehyde (1.29 μg/cm), 2-methylbenzaldehyde (1.32 μg/cm), 2,3-dimethylbenzaldehyde (1.55 μg/cm), 3-methylbenzaldehyde (1.97 μg/cm), and 4-methylbenzaldehyde (2.34 μg/cm). The color deformation of seven methylbenzaldehyde analogues mixed with 2,3-dihydroxybenzaldehyde against T. putrescentiae showed mite color deformation, from coloress to reddish brown, and valuable to distinguish with the naked eye. In addition, there was no antagonistic interactions between 2,3-dihydroxybenzaldehyde and the methylbenzaldehyde analogues. These finding suggests that the methylbenzaldehyde analogues could be developed as dual functional agent to protect from fall in the commercial value of stored food products.
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| http://dx.doi.org/10.1038/s41598-017-07001-5 | DOI Listing |
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