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Publications (29)
This study was conducted to assess the repellent activity of Pogostemon cablin (Blanco) Benth. [Lamiaceae] essential oil (EO) and its nanoemulsion (NE) against Haemaphysalis longicornis nymphs. Pogostemon cablin EO nanoemulsion (PCNE) was prepared by ultrasonic emulsification using P. cablin EO and a surfactant, Tween 80. The results of gas chromat...
Acaricidal activities and acetylcholinesterase (AChE) inhibitory activities were evaluated of active constituents of the essential oil extracted from Alpinia galanga rhizomes cultivated from India and their derivatives against Haemaphysalis longicornis nymphs. In addition, the effect was investigated of active components of A. galanga oil on egg la...
The bioactivity of the essential oil extracted from Litsea cubeba fruits against tick vectors of severe fever with thrombocytopenia syndrome is unknown. In this study, L. cubeba oil and its main constituents, 3,7-dimethyl-2,6-octadienal and its similar structures, were evaluated for their acaricidal and repellent activities on the unfed nymphs and...
Acaricidal activities and color alterations of 5-methylfurfural derived from Valeriana fauriei essential oil and its structural analogues against Dermatophagoides farinae , D. pteronyssinus , Haemaphysalis longicornis and Tyrophagus putrescentiae were evaluated in the present study. Based on the LD 50 values of 5-methylfurfural and its analogues, 4...
Phenethyl isothiocyanate isolated from Armoracia rusticana root oil and its derivatives were tested at different doses in a bioassay designed to evaluate repellency against individual Haemaphysalis longicornis nymphs. Among the tested compounds, benzyl isothiocyanate exhibited repellency against H. longicornis nymphs at the lowest dose of 0.00625 m...
Toxicities and color deformation were evaluated of essential oils of Melissa officinalis cultivated in France, Ireland, and Serbia and their constituents, along with the control efficacy of spray formulations (0.25, 0.5, and 1%) containing M. officinalis oils cultivated in France and its main compound against Dermatophagoides farinae and D. pterony...
Fungicidal effects of active component purified from Diospyros kaki roots and its analogues against Erysiphe graminis, Botrytis cinerea, Pyricularia grisea, Puccinia recondite, Rhizoctonia solani, and Phytophthora infestans were investigated using a whole-plant method. Active constituents isolated from the chloroform fraction of D. kaki roots were...
The insecticidal toxicities of essential oils and other active components extracted from Eucalyptus dives leaves (as well as structural analogues) were studied against stored-product insects, Plodia interpunctella and Tribolium castaneum. 3-Carvomenthenone was purified from E. dives oil, and the structures were elucidated by electron ionization mas...
BACKGROUND
The acaricidal activity of Salvia lavandulifolia oil and its major components was evaluated using contact and vapor bioassays. Synergistic interactions among components contained in S. lavandulifolia oil were studied.
RESULTS
The LD50 value of S. lavandulifolia oil was 3.66, 3.37, and 5.04 μg/cm³, respectively, in the vapor bioassay aga...
The antimicrobial effects of 7,8-dihydroxy-6-methoxycoumarin and 7-hydroxy-6-methoxycoumarin isolated from Fraxinus rhynchophylla bark and of their structural analogues were determined in an attempt to develop natural antimicrobial agents against the foodborne pathogens Escherichia coli, Bacillus cereus, Staphylococcus intermedius, and Listeria mon...
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 LD50 values, 2,4,5-trimethylbenzaldehyde (0.78 μg/cm³) had highest vapor action aga...
Inhibition of ?-amylase and ?-glucosidase, advanced glycation end products (AGEs) formation, and oxidative stress by isolated active constituents of Osmanthus fragrans flowers (9,12-octadecadienoic acid and 4-(2,6,6-trimethyl-1-cyclohexenyl)-3-buten-2-one) and their structural analogues were evaluated. 9,12-Octadecadienoic acid was 10.02 and 22.21...
Agricultural insects and stored-product insects are influenced by luminance intensities, exposure times, and wavelengths of light-emitting diodes (LEDs). Based on the phototactic behaviors of the agricultural insects, green or blue LEDs are most attractive for Bemisia tabaci, Trialeurodes vaporariorum, Myzus persicae, Liriomyza trifolii, Spodoptera...
The insecticidal toxicities of five essential oils against Pochazia shantungensis adults and nymphs, newly recorded pests, were evaluated. The LC50 values of Thymus vulgaris, Ruta graveolens, Citrus aurantium, Leptospermum petersonii and Achillea millefolium oils were recorded as 57.48, 84.44, 92.58, 113.26 and 125.78 mg/L, respectively, against P....
Phototactic behavioral responses of the Indian meal moth, Plodia interpunctella (Hübner), adults were determined to different light-emitting diodes (LEDs) of seven wavelengths, and their behavioral responses were compared to that using a commercial luring lamp (BLB) under laboratory conditions. Based on the attractive responses under optimal light...
The chemical compositions of the essential oil extracted from Albizziae julibrissin barks were analyzed by Gas chromatography-Mass spectrometry spectrometry. Fourteen components were identified, representing 89.23% of the total oil composition. The analysis of the essential oil revealed that the essential oil contains 14 compounds, accounting for 8...
Phototactic responses of maize weevil, Sitotroga zeamais, adults to five light-emitting diodes (LEDs) were evaluated and compared with the commonly used luring lamp (BLB). Under optimal light conditions, the red LED (625 ± 10 nm) exhibited the highest attraction rate (59.8 %), followed by the yellow LED (590 ± 5 nm, 52.3 %), the infrared LED (730 n...
This study was to isolate an active component of the chloroform fraction from the methanol extract of Ruta chalepensis leaves and to measure inhibitory effects against α-glucosidase or α-amylase. The inhibitory compound of R. chalepensis leaves was isolated using chromatographic methods and identified as quinoline. Quinoline and its structurally re...
The antimicrobial activities of materials derived from Cassia obtusifolia seeds were evaluated against the seven food-borne bacteria. The active constituent of C. obtusifolia seeds was isolated using various chromatographic techniques and characterized as 1,2-dihydroxyanthraquinone (alizarin). The purified alizarin exhibited weak activity against B...
Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease caused by SFTS virus with 12-30% fatality rate. Despite severity of the disease, any medication or treatment for SFTS has not developed yet. One approach to prevent SFTS spreading is to control the arthropod vector carrying SFTS virus. We report that 2-methylbenzal...
Antimicrobial activities of 2,6-dimethoxy-1,4-benzoquinone and its structurally related analogues (2,6-dichloro-, 2,6-dimethyl-, 2,5-dichloro-, and 2,5-dimethyl-) were evaluated at 0.5 mg/disc against seven food-borne bacteria. 2,6-Dimethoxy-1,4-benzoquinone showed antimicrobial activity against Staphylococcus intermedius (22.0 mm), Staphlococcus e...
The acaricidal activities of peppermint oil and menthol isomers against mites in stored food were evaluated using fumigant and contact bioassays and were compared with the activity of benzyl benzoate as a synthetic acaricide. Based on the 50% lethal dose (LD50) values against Tyrophagus putrescentiae in the fumigant bioassay, menthol (0.96 μg/cm(2)...
This study was conducted to determine the attractive effects of Plutella xylostella adults to light emitting diode (LED) trap in greenhouse and compared with those of no light trap and black-light which is typically used in commercial luring lamp. The green LED trap captured more P. xylostella when compared with black-light trap, whereas the no lig...
The acaricidal activities of an active material derived from Rosmarinus officinalis oil and its relative monoterpene ketones were determined using fumigant and contact toxicity bioassays against Tyrophagus putrescentiae and were compared with that of a commercial acaricide
(benzyl benzoate). The active component of R. officinalis oil, isolated by s...
The antimicrobial activities of the essential oil obtained from the aerial parts of Ruta graveolens and 2-isopropyl-5-methylphenol analogs were evaluated against six food-borne bacteria. The essential oil of R. graveolens aerial parts exhibited potent antimicrobial activity against six food-borne bacteria. 2-Isopropyl-5-methylphenol was isolated by...
Antimicrobial activities of the five fractions obtained from the methanol extract of Sebasticania corniculata plant were evaluated against five food poisoning bacteria using the agar diffusion method. The chloroform fraction possessed strong antimicrobial activities against five food poisoning bacteria. 8-Hydroxyquinoline was isolated from the chlo...
