نتایج جستجو برای: essential oils

تعداد نتایج: 375278  

2012
A Ghannadi MR Bagherinejad D Abedi M Jalali B Absalan N Sadeghi

BACKGROUND AND OBJECTIVES Essential oils are volatile compounds that have been used since Middle Ages as antimicrobial, anti-inflammatory, sedative, local anesthetic and food flavoring agents. In the current study, essential oils of Pelargonium graveolens L'Her and Vitex agnus-castus L. were analyzed for their antibacterial activities. MATERIALS AND METHODS The chemical compositions of essent...

2018
Peng Ren Xiang Ren Lei Cheng Lixin Xu

BC (BC), as the most common malignancy in women worldwide, is associated with high morbidity and mortality. However, chemoresistance and toxicity are the main causes that limit the success of treatment in aggressive BC cases. Thus, there is a vital need to identify and develop novel therapeutic agents. Frankincense, pine needle and geranium essential oils have been reported to play critical bio...

Family Cupressaceae is the largest coniferous plant family. Essential oils of many species belonging to family Cupressaceae are known to have several biological activities specially antimicrobial activity. The essential oils from aerial parts of Calocedrus decurrens Torr., Cupressus sempervirens stricta L. and Tetraclinis articulata (Vahl) Mast. were prepared by hydrodistillation. The chemical ...

2016
Adriana Faraco de Oliveira Araujo João Tadeu Ribeiro-Paes Juliana Telles de Deus Sócrates Cabral de Holanda Cavalcanti Rogéria de Souza Nunes Péricles Barreto Alves Maria de Lourdes da Graça Macoris

Environmentally friendly botanical larvicides are commonly considered as an alternative to synthetic larvicides against Aedes aegypti Linn. In addition, mosquito resistance to currently used larvicides has motivated research to find new compounds acting via different mechanisms of action, with the goal of controlling the spread of mosquitos. Essential oils have been widely studied for this purp...

Journal: :Mediators of Inflammation 2003
Shigeru Abe Naho Maruyama Kazumi Hayama Hiroko Ishibashi Shigeharu Inoue Haruyuki Oshima Hideyo Yamaguchi

BACKGROUND In aromatherapy, essential oils are used as anti-inflammatory remedies, but experimental studies on their action mechanisms are very limited. AIMS To assess their anti-inflammatory activities, effects of essential oils on neutrophil activation were examined in vitro. METHODS Neutrophil activation was measured by tumor necrosis factor-alpha (TNF-alpha)-induced adherence reaction o...

2010
Ravi Kant Upadhyay Pratibha Dwivedi

In the present investigation antimicrobial activity of six different plant essential oils i.e., citrus (Citrus lemon), olive (Olea europaea), ajwain (Trachiyspirum ammi), almond (Amygdalus communis), Bavchi (Psoralea corylifolia) and neem (Azadirachta indica) oils have been evaluated. After bioassays, most of the essential oils were found susceptible to both Gram-positive bacteria such as Lacto...

2011
Kun-Teng Wang Lih-Geeng Chen Duen-Suey Chou Wen-Li Liang Ching-Chiung Wang

The rhizome of Atractylodes ovata De Candolle is rich in essential oils, which are usually removed by processing. In this study, anti-oxidative abilities of essential oils and aqueous extracts of A. ovata rhizome were explored, and the influence of processing on the anti-oxidative abilities was examined. Essential oils and aqueous extracts of A. ovata were extracted by boiling water and steam d...

Journal: :journal of ornamental plants 2015
d. hashemabadi a.a. mostofipour a.r. berimavandi b. kaviani m. zarchini

this study was done to evaluate the effect of different planting arrangements (square, lozenge and rectangular) and various concentrations of potassium sulfate (k2so4) fertilizer (0, 100, 200 and 300 kg/ha) on yield and essential oils quantitative of calendula officinalis l., a medicinal and ornamental plant. the experiment was done as a factorial in randomized completely blocks design (r.c.b.d...

Journal: :journal of herbal drugs 0
elahe amani department of food science and technology, college of agriculture, shiraz university, shiraz, iran amir pouya ghandehari yazdi department of food science and technology, college of agriculture, tarbiat modares university, tehran, iran leila sedaghat boroujeni department of food science and technology, science and research branch of tehran, islamic azad university, tehran, iran

introduction: active packaging is one of the innovations in food packaging industry that would be a respons to the changing needs of consumers and markets. in this technique, materials such as adsorbents oxygen, moisture, carbon dioxide, ethylene and carbon dioxide-releasing flavor compounds, antimicrobials, antioxidants and various aromatic compounds are used. in the last decade, great attenti...

Journal: :journal of medicinal plants and by-products 0

two spotted spider mite (tssm), tetranychus urticae koch, is an important pests on bean in markazi province (center of iran). to evaluate the bioacaricidal activity of extracts of three essential oils of thyme (thymus vulgaris), lavender (lavandula officinalis)  and eucalyptus (eucalyptus camaldulensis) against t. urticae on cherry bean (vigna unguiculta subsp. sinensis), five different concent...

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