نتایج جستجو برای: keywords: essential oils

تعداد نتایج: 2293967  

Journal: :iran agricultural research 2014
m. hashemi s. h. mirdehghan h. farahmand

abstract- chrysanthemum (dendranthema grandiflorum) is one of the most important ornamental plants used as cut flower, flowering pot plant and groundcover worldwide. in this research, the effects of preservative solutions containing thymol (75 and 125 mg -l), menthol (75 and 125 mg l-1) and eugenol (75 and 125 mg l-1) on the quality and vase-life of chrysanthemum cut flowers at 3±1ºc and 75-80%...

رسولی, مهدی, محمودی, رزاق, کاظمی نیا, مسعود,

Background and purpose: Essential oils are volatile components of plants. Some essential oils with phenolic compounds have a strong antimicrobial properties. Probiotics are live microbial food supplements which beneficially affect host by improving its intestinal microbial balance, and they are well recognized as antimicrobial agents that compete with pathogenic bacteria and inhibit their growth...

ژورنال: Medical Laboratory Journal 2019
Noori , Seyyed Mohammad Ali, Tepe , Bektas , Aman Mohammadi, Masoud , Ghorbani Bidkorpeh , Fatemeh , Hashemi , Mohammad , Moghaddam , Zahra , Raeisi , Mojtaba ,

ABSTRACT              Background and objectives: Utilization of essential oils instead of chemical preservatives has received significant attention in recent years. The present study aims to evaluate chemical composition and antibacterial and antioxidant properties of essential oils of Zataria multiflora, Artemisia deracunculus and Mentha piperita.              Methods: Chemical profile of th...

Journal: :advanced herbal medicine 2015
zahra golestannejad elmira mohammadi amir motamedi shahin gavanji niloofar fallah

background and aims: one of the most common chronic diseases in the world is tooth decay. a variety of bacteria are involved in this disorder of which streptococcus mutants is the most common. essential oils are considered as new natural compounds for use in combating drug-resistant bacteria. this study was aimed to evaluate the antibacterial activity of some essential oils prepared from eucaly...

2012
P. O. Angienda D. J. Hill

The purpose of this study was to elucidate the factors affecting antimicrobial effectiveness of essential oils against food spoilage and pathogenic bacteria. The minimum inhibition concentrations (MIC) of the essential oils, were determined by turbidimetric technique using Biocreen C, analyzer. The effects of pH ranging from 7.3 to 5.5 in absence and presence of essential oils and/or NaCl on th...

2015
Sanaa K. Bardaweel Mohammad M. Hudaib Khaled A. Tawaha Rasha M. Bashatwah

Eucalyptus species are well reputed for their traditional use in Asia as well as in other parts of the world; therefore, the present study was designed to investigate the antimicrobial and antioxidant activities associated with essential oils from different Eucalyptus species. Essential oils from the leaves of six Eucalyptus species, including: Eucalyptus woodwardi, Eucalyptus stricklandii, Euc...

2016
Lameck Shoriwa Chagonda

Cultivated Elionurus muticus (Spreng.) Kunth (Gramineae) plant parts were steam distilled for essential oil and evaluated in-vitro for antifungal activity against Candida albicans, C. krusei and Cryptococcus neoformans using agar broth dilution and disc diffusion methods and the activity compared with commercial citral and Cymbopogon citratus DC (Stapf) (lemongrass) oils by measuring the growth...

ژورنال: پژوهش در پزشکی 2011
دادخواه, ابوالفضل, داوودیان, ناهید, فاطمی, فائزه,

Abstract Background: Sepsis is a systemic response to severe infections leading to organ failure and death. Recently the role of herbal drugs in the management of the inflammatory response has come under increased scrutiny. Caraway is a well known traditional herbal plant believed to contain active components with pharmacological properties such as antioxidative effects. In this study attemp...

Journal: :journal of food biosciences and technology 0

abstract: chemical composition of lavandula angustifolia was studied by solvent free microwave extraction (sfme) and hydrodistillation (hd) methods. 1, 8-cineole (42.7% and 37.9%), camphor (26.1% and 21.3%) and borneol (31.2% and 21.6%) were the major compounds that obtained by sfme and hydrodistillation, respectively. the antibacterial activity of extracted oils was investigated against gram-p...

2015
Mekhaldi Abdelkader Bouznad Ahcen Djibaoui Rachid Hamoum Hakim

This study presents an attempt to evaluate the antioxidant potential and antimicrobial activity of methanolic extract, and essential oils prepared from the leaves of sage (Salvia officinalis L.). The content of polyphenol in the methanolic extracts from the leaves of Salvia officinalis was determined spectrophotometrically, calculated as gallic acid and catechin equivalent. The essential oils a...

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