نتایج جستجو برای: plant essential oils

تعداد نتایج: 748860  

Journal: :research journal of pharmacognosy 2014
m.r. delnavazi s. tavakoli a. rustaie h. batooli n. yassa

background and objectives: dorema ammoniacum d. don (apiaceae) is a monocarpic plant endemic to central iran. the gum resin of this species is a known therapeutic agent in iranian, indian and western traditional medicines. the aim of the present study was to investigate essential oil constituents and evaluation of antioxidant and antibacterial activities of the essential oils and extracts of d....

Journal: :persian journal of acarology 0
mojtaba esmaeily department of plant protection, faculty of agriculture and natural resources, university of tehran, karaj, iran alireza bandani department of plant protection, faculty of agriculture and natural resources, university of tehran, karaj, iran idin zibaee department of plant protection, faculty of agriculture and natural resources, university of tehran, karaj, iran iman sharifian department of plant protection, faculty of agriculture and natural resources, university of tehran, karaj, iran ُshahnaz zare department of plant protection, faculty of agriculture and natural resources, university of tehran, karaj, iran

the two-spotted spider mite, tetranychus urticae koch (acari: tetranychidae) is one of the most important agricultural pests of the world. it causes direct and indirect damage on plants which decreases in photosynthesis and crop yield. the effect of sublethal concentrations of artemisia annua l. (asteraceae) and rosmarinus officinalis l. (lamiaceae) essential oils were assessed on development a...

2014
Mohamed Z.M. Salem Hayssam M. Ali Mohammed O. Basalah

The essential oils extracted by hydro-distillation of Pinus roxburghii wood, bark, and needles were analyzed by GC/MS, and their antibacterial and antioxidant activities were evaluated. Twenty-two, thirty-one, and twenty-eight compounds were identified in the essential oils of wood, bark, and needles, respectively. The major chemical constituents of wood’s essential oil were caryophyllene (16.7...

Journal: :Molecules 2009
Marina D Soković Jelena Vukojević Petar D Marin Dejan D Brkić Vlatka Vajs Leo J L D van Griensven

The potential antifungal effects of Thymus vulgaris L., Thymus tosevii L., Mentha spicata L., and Mentha piperita L. (Labiatae) essential oils and their components against 17 micromycetal food poisoning, plant, animal and human pathogens are presented. The essential oils were obtained by hydrodestillation of dried plant material. Their composition was determined by GC-MS. Identification of indi...

Journal: :international journal of advanced biological and biomedical research 2014
ismaeil shakeri behzad sani hossein hassanpour darvishi

the purpose in this research was to study the effects of vermicompost and poultry manure on yield and yield components of the medicinal plant coriander (coriandrum sativum l.) in the shahr-e- ghods region. a factorial experiment using the randomized complete block design with three replications was conducted in the islamic azad university of shahr-e- ghods. the first factor was three levels of ...

2015
A. ABDENBI B. DENNAI B. TOUATI M. BOUAAZA A. SAAD

The essential oils of many plants have become popular in recent years and their bioactive principles have recently won several industry sectors, however their use as antibacterial and antifungal agents has been reported. This study focuses on the physico chemical and phytochemical with a study of the antimicrobial activity of essential oils of aromatic and medicinal plant of southwest Algeria, ...

Background and objectives: Garden lettuce, Lactuca sativa L. (Asteraceae), is an herbaceous plant cultivated in different parts of Iran including Isfahan. In Iranian traditional medicine, it is classified as a medicinal food because it is nutritive and has therapeutic effects. As the therapeutic effects of the plant parts may be related to some volatile active constitu...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2001
K H Başer G Tümen N Tabanca F Demirci

Satureja wiedemanniana (Lallem.) Velen (Lamiaceae) is an endemic species of Turkey. Aerial parts of the plant collected from eleven different localities in Turkey were subjected to hydrodistillation to yield essential oils which were analysed by a GC/MS system. Carvacrol, thymol, p-cymene and gamma-terpinene were found as the main constituents. Antibacterial evaluation of the oils was also carr...

H Nikoopour, M Amin, MR Fazeli,

Background: Plant extracts and essential oils are commonly used in traditional and industrial doogh products to inhibit bacterial activities. Objective: In this study, the antibacterial effects of the essential oils of Olivera decumbens and Nepeta binaludensis against Staphylococcus aureus and Escherichia coli in doogh were investigated. Methods: Essential oils of Olivera decumbens and Nepeta...

Journal: :Molecules 2017
Marietta Białoń Teresa Krzyśko-Łupicka Agnieszka Pik Piotr P Wieczorek

This study addresses the chemical composition of some commercial essential oils (clove, juniper, oregano, and marjoram oils), as well as appropriate herbal extracts obtained in the process of cold maceration and their biological activity against selected Escherichia coli strains: E. coli ATTC 25922, E. coli ATTC 10536, and E. coli 127 isolated from poultry waste. On the basis of the gas chromat...

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