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Jeerayu Thongdon-A Pranee Inprakhon 《World journal of microbiology & biotechnology》2009,25(8):1313-1320
Essential oils from the dried aerial parts of Limnophila geoffrayi Bonati were obtained by water-distillation. d-Pulegone (27.14%), perillaldehyde (19.13%) and limonene (9.00%) were characterized as the major constituents using gas chromatography-mass
spectrometry analysis. The antimicrobial activities of the essential oils and their major components were evaluated against
microorganisms encountered normally in contaminated cosmetic products, using the agar- and broth-dilution methods. Their insecticidal
activities against the Oriental fruit fly Bactrocera dorsalis (Hendel) were tested using a bioassay with impregnated filter paper. The results showed that the essential oils possessed
high antimicrobial activity, with minimum inhibitory concentrations ranging from 0.03 to 0.2% per unit volume (v/v). Strong
insecticidal activity as a fumigant was also observed at an oil dose of 5 μl/disc, with a 94% mortality. Perillaldehyde was
the most active compound among the main components of these essential oils. 相似文献
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