نتایج جستجو برای: plant oils
تعداد نتایج: 418162 فیلتر نتایج به سال:
Essential oils are widely used in pharmaceutical, sanitary, cosmetic, agriculture and food industries for their bactericidal, virucidal, fungicidal, antiparasitical and insecticidal properties. Their anticancer activity is well documented. Over a hundred essential oils from more than twenty plant families have been tested on more than twenty types of cancers in last past ten years. This review ...
Plant oils and oil components were screened in vitro for antibacterial and antifungal activity by disc diffusion method. Minimum Inhibitory Concentrations (MICs) of oils (% v/v) against bacteria and fungi were determined by agar dilution method. Results showed that potential antimicrobial activity was demonstrated by geranium oil, geraniol, and terpineol. These oils and oil components were acti...
zhumeria majdae rech.f. & wendelbois the medicinal, endomic and endangered plant that has been distributed in the south of iran. this plant is seen on very sharp slope of mountains at 520-1450 meters altitude of sea level. it has noticed by natives and is used for digestion painful as swelling, diarrhea, stomatchache and coolness. in this research, the leaves of plant and soil samples were coll...
Rezaei R (2020) Effect of eight essential oils on bacterial canker disease in citrus. Plant Pathology Science 9(1):29-37. DOI: 10.2982/PPS.9.1.29. Introduction: Citrus bacterial canker caused by Xanthomonas citri subsp. citri is an economically important disease in many tropical and subtropical countries. Several pathotypes of this pathogen have been described which, in addition to certain ...
The essential oils isolated from basil (Ocimum sp.), chamomile (Chamomilla recutita L.), thyme (Thymus vulgaris L.) and oregano (Origanum sp.) were analysed rapidly and non-destructively applying different vibrational spectroscopic methods (ATR-IR, NIR and Raman spectroscopy). Whereas NIR spectroscopic data can be interpreted only by application of chemometric algorithms, IR and Raman spectra o...
This study was designed to examine the in vitro antimicrobial and antioxidant activities of the essential oil of T. boveii and T. hyemalis. According to the results of GC-EIMS analysis, essential oils were found rich in phenols and hydrocarbons. p-cymene, thymol and carvacrol were mainly found as the major compounds for the essential oils. Both plant species showed remarkable antioxidant activi...
Background:Callicarpa macrophylla (Varbenaceae) is a medicinal shrub and is traditionally used in India, China, and South Asia. Methods: The plant material was collected from lower Himalayan region of Uttarakhand in India. The essential oils from three different aerial parts were analyzed by GC-MS. Antioxidant activity, phenolic assay, and various pharmacological activities were determined by u...
Plant neutral lipids such as seed oil triacylglycerols play a key role in many aspects of human life, ranging from providing essential nutrition to acting as biolubricants. There is also growing interest in using plant oils as a replacement for petrochemicals, either for fuel or as a chemical feedstock. Considerable effort has been focused on modifying the fatty acid composition of seed oils an...
BACKGROUND To evaluate the antibacterial activity of 21 plant essential oils against six bacterial species. METHODS The selected essential oils were screened against four gram-negative bacteria (Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Proteus vulgaris) and two gram-positive bacteria Bacillus subtilis and Staphylococcus aureus at four different concentrations (1:1, 1:5...
27 Putranjiva roxburghii seeds: Oil content and fatty acid composition during different stages of seed maturity Seed oils of the Euphorbiaceae show a great variability in their lipid composition. [1] The seed oils from some members of this plant family, e.g. Ricinus communis, Vernonia species and Aleurites species, play an important economic role in many countries and are used widely in pharmac...
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