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Chemical constituents and fumigant toxicity of essential oil from Carum copticum against two stored product beetles

Insect Science 2007年第3期14卷 213-218页

作者： bibi zahra sahaf SAEID MOHARRAMIPOUR MOHAMMAD HADI MESHKATALSADAT Department of Entomology College of Agriculture Tarbiat Modares University Tehran Department of Chemistry Faculty of Basic Science Lorestan University Khoramabad Iran

Plant secondary metabolites play an important role in plant-insect interactions and therefore such compounds may have insecticidal or antifeedant activity against insects. Carum copticum C. B. Clarke （Apiaceae） is one of these plants that have medicinal effects on humans. The chemical composition of the essential oil from dry seeds of C. copticum was studied by gas chromatography （GC） and gas chromatography mass spectrometry （GC-MS）. Thymol （41.34%）,α-terpinolene （17.46%） and ρ-cymene （11.76%） were found to be the major constituents of the oil. In fumigant toxicity tests with the essential oil against adults of Sitophilus oryzae （L.） and Tribolium castaneum （Herbst） at 27 ±1℃ and 60% ± 5% RH, it was observed that S. oryzae （LC50 = 0.91 μL/L） were significantly susceptible than T. castaneum （LC50 = 33.14 μL/L）. The mortalities of the insect species reached 100% at concentrations higher than 185.2 μL/L and 12-h exposure time. The findings indicate the strong insecticidal activity of C. copticum oil and its potential role as a fumigant for storedproduct insects.

关键词： Carum copticum essential oil fumigant toxicity Sitophilus oryzae Tribolium castaneum

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A comparative study on the anti-bacterial effect of Echinops persicus, Cardamine uliginosa and Vaccaria oxyodontha Boiss on Staphylococcus aureus and Escherichia coli bacteria in vitro

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TMR Integrative Medicine 2022年第6期6卷 1-7页

作者： Maryam Soori bibi zahra Nejad Ghaffar Sedighe Soleimani Rahele Bahrami Seyed Hossein Hashemi Hossein Abbaspour Hamid Hashemi-Moghaddam Department of Biochemistry Hamedan BranchIslamic Azad UniversityHamedan 15743-65181Iran Department of Biochemistry Shoushtar BranchIslamic Azad UniversityShoushtar 14778-93855Iran Department of Biology Damghan BranchIslamic Azad UniversityDamghan ***Iran Department of nuclear engineering Olom Tahghighat branchIslamic Azad UniversityTehran ***Iran Department of Chemistry Damghan BranchIslamic Azad UniversityDamghan ***Iran.

Background:Medicinal herbs have always been closely associated with human beings,and no one deny their medicinal effects and *** are over 7,500 plant species in the rich flora of *** study,intends to investigate the anti-bacterial properties of three different plant species from Iranian flora,including Echinops persicus,Cardamine uliginosa,and Vaccaria oxyodontha *** and methods:This cross-sectional study was performed after confirmation and identification of collected *** plants were dried in the shade for *** the methanol extract of these plants was extracted by the classical extraction *** plants’antimicrobial effects of the plants were evaluated by agar disk diffusion,minimum inhibitory concentration,and minimum bactericidal *** mentioned plants’anti-bacterial activity was compared with the antibiotic discs of gentamicin(10 mg)and vancomycin(30 mg).SPSS software v20 was used for data analysis of Kruskal-Wallis and Dunn’s tests(P<0.05).Results:The lowest minimum inhibitory concentration obtained from the methanol extract of Cardamine uliginosa on standard strains of Staphylococcus aureus and Escherichia coli at 15.62 mg/mL for methanol extracts of Echinops persicus and Vaccaria oxyodontha Boiss on *** and *** at 31.25 mg/mL and 125 mg/mL,*** highest diameter of inhibition zone caused by methanol extract of Cardamine uiliginosa was against *** and *** with an inhibition zone of 23.9±0.29 mm and 20.4±0.43 mm,*** with the antibiotics gentamicin and vancomycin,the Cardamine uliginosa showed a stronger inhibitory effect(P<0.05).Conclusion:Echinops persicus,Cardamine uliginosa,and Vaccaria oxyodontha Boiss have anti-bacterial *** anti-bacterial property of Cardamine uilignosa is higher than the other two herbal medicine.

关键词： minimum inhibitory concentration Echinops persicus Cardamine uliginosa Vaccaria oxyodontha Boiss

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