In vitro antifungal activity of some plant essential oils. In summary, this study confirms that many essential oils and plant extracts. The objective of this study was to evaluate the antifungal activity of essential oil eo of eucalyptus camaldulensis dehnh. All the oils showed antifungal activity against all the moulds. Antifungal activity of aqueous extracts of some dominant. Antimicrobial properties of some essential oils against some. Pdf in vitro antifungal activity of some plant essential. The antimicrobial activity of plantderived essential oils formed the basis of many applications, especially in food preserva. Fusarium oxysporum is an omnipresent fungus that includes both pathogenic and nonpathogenic members. The aim of this experiment was to evaluate the antifungal activity of essential oils extracted from cymbopogon nardus, eugenia aromatica, pogostemon.
Abstract the existing methods for studying the antimicrobial activity of essential oils e. Pdf antifungal activity of four plant essential oils. To evaluate thein vitro antibacterial activities of these eight aromatic extracts. An essential oil is a concentrated hydrophobic liquid containing volatile chemical compounds. Antifungal essential oils can also improve the air quality in your home. Chemical composition and antifungal activity of essential.
The aqueous phase was extracted with and aspergillus fumigatus. Antifungal properties of some essential oils against. In recent years 19872001, a large number of essential oils and their constituents have been investigated for their antimicrobial properties against some bacteria and fungi in more than 500 reports. The antifungal activities need not be ascribed to the high content of a single chemical compound because synergistic effects among the major and minor components can occur. Antifungal activity of essential oils extracted from clove. Antifungal activity of chemotype essential oils from.
Furthermore, essential oils can also interact with the mitochondrial membrane leading to cidal effects. Citrus essential oils ceos are a mixture of volatile compounds consisting mainly of monoterpene hydrocarbons and are widely used in the food and pharmaceutical industries because of their antifungal activities. Antimicrobial activity of essential oils and other plant. Antifungal activity of the lemongrass oil and citral. Antibacterial and antifungal activity of essential oils of. In nature, essential oils play a fundamental role in protecting the plant from biotic and abiotic attacks to which it may be subjected. Numerous essential oils have been tested for both in vitro and in vivo antifungal activity and some pose much potential as antifungal agents.
Studies on the chemical composition of essential oils from. Antimicrobial properties of plant essential oils against human. Antiinfluenza virus activity of essential oils and vapors selvarani vimalanathan, james hudson. However, limited knowledge exists regarding essential oil activity against biofilms and also host cell cytotoxicity. Chemical composition and antifungal activity of the. Antifungal activity of essential oils in the control of. Medicinal plants with antibacterial and antifungal essential oils during the last decade, a variety of essential oils have been screened to assess their antimicrobial activity table 1. Considerable studies on antimicrobial activities of essential oils and their components.
This study investigated the antifungal properties of aqueous extracts obtained from indigenous plants that grow spontaneously in the northern sahara of algeria. The antifungal activity of the essential oils was evaluated for their ability to inhibit the growth of spores. Essential oils, which have been long recognized as having good fungustoxic compounds, are a recommend technology which may be used to complete previous control techniques. In this study the composition and antimicrobial properties of essential oils obtained fromoriganum onites, mentha piperita, juniperus exalsa, chrysanthemum indicum, lavandula hybrida, rosa damascena, echinophora tenuifolia, foeniculum vulgare were examined.
Then, spores were carefully harvested in 1 ml sabouraud broth containing 10% glycerol by gently rubbing the top of sporulated colonies with a disposable plastic loop. Microencapsulation of essential oils within alginate. Interest in the antifungal activity of essential oils has increased markedly in recent years. Lavender eo showed antiviral activity against herpes simplex virus type 1 17. Essential oils as antimicrobial agentsmyth or real alternative. This essential oil also presented excellent antioxidant activity at. Antifungal activities were examined and compared for some 40 kinds of aliphatic and aromatic aldehydes, alcohols, phenolic compounds, ether compoundsand hydrocarbons from essential oils and for some related compounds, using seven fungi. Microorganisms reference strains of aspergillus spp. The minimum inhibitory concentrations of eos and of their combination were found between 150 and 500 ppm, while those of.
Antioxidant activity of essential oils from condiment plants and their. The essential oil had been extracted by steam distillation in a modified clevengertype apparatus from leaves of e. Antifungal activity of components of essential oils. Cinnamomum osmophloeum kaneh is one of the hardwood species indigenous to taiwan that possesses significant antifungal activity. The main aim of the present study is to develop mi croencapsulation of clove, thyme and cinnamon oils in calcium alginate was done by employing the emulsion extrusion technology in order to achieve their optimal antifungal activity against two of pathogenic fungi spe cies for stored grains. Antifungal activity of essential oil of eucalyptus. The essential oils were isolated by hydrodistillation and analysed by gc and gcms. The main aromatic constituents of this plant, as characterized by ir, nmr and ms studies, were pulegone, piperitenone oxide peo and piperitone oxide po occurring in different. In the present work we report for what we believe to be the first time the antifungal activity and mechanism of action of the essential oils of lavandula viridis from portugal. Essential oil antibacterial activity was assessed through disc diffusion and. Essential oils chemical characterization and investigation. Essential oils have antimicrobial activity against a broad spectrum of gram.
Chemical composition of essential oilsof thymus and mentha. In the present study, dichloromethane qualigens 3 x 50 ml. Antifungal activity of essential oils against selected. These oils were selected based on literature survey and their use in preservation of leaf articles. Due to general growing resistance and side effects to common antifungal drugs nowadays, there have been many studies reported on the use of herbal essential oils as antifungal agents in recent years. Antimicrobial, antiaseptic, antiinflammation and antioxidant activity of essential oils, alone and in combination with commercial agents is well known,24,25,26. By using disk diffusion assay, we evaluated the antifungal activity of lemongrass oil and citral against yeasts of candida species candida albicans, c. The essential oils such as neem oil, castor oil, citronella oil and camphor oil, obtained from local market and exposed to uv radiation for 10 min then these oils were used for this study. In vitro and in vivo antifungal activity of essential oils.
Consideration is given to the screening for antimicrobially active oils or constituents, for disinfecting or antiseptic properties and for food conserving properties. To test the antimicrobial activity, essential oils were impregnated to the empty disks as 5, 10, 20, 40, 60. Preliminary study of antifungal activity of some essential. Antifungal activity of commercial essential oils and. Antifungal activity of the volatile phase of essential. Antifungal activity of hyptis spicigera lamiaceae extracts and essential oils of cymbopogon 18 3. All the tested essential oils showed stable antifungal activity, however, the. The antifungal activity of essential oils as determined by. Activity oils andor components activity oils andor components antifungal calamintha nepeta 6. In summary, this study confirms that many essential oils and plant extracts possess in vitro antibacterial and antifungal activity. The volatile vapour components of several essential oils have been demonstrated to have potent antifungal activity, often in excess of that displayed in direct contact assays. Natural products have been studied aiming to understand their biological properties. Essential oils of aromatic plants with antibacterial. Estrogenic and antiandrogenic activity have been reported by in vitro study of tea tree oil and lavender essential oils.
Antifungal activity of essential oils on growth of. Principal effects of essential oils andor their components on fungi. Protective antifungal activity of essential oils extracted. The pathogenic strains are best known for causing fusarium wilt diseases of many economically important crops. Antimicrobial activities of essential oils springerlink. The antibacterial and antifungal activity of six essential. Antimicrobial activity of essential oil essential oils in food. Antibacterial and antifungal properties of essential oils. Orange essential oil was the most effective against a. The essential oils eo of mentha suaveolens, a wild labiatae, which grows in several regions in morocco, were characterized and their antimicrobial activity assessed. To face the challenge of growing public awareness and concern about food and health safety, studies concerning natural biopreservatives have become the focus of multidisciplinary.
Thus, this study aimed to investigate the antimicrobial activity of twentyseven essential oils eos used in aromatherapy procedures, a natural. Since ancient times, folk medicine and agrofood science have benefitted from the use of plant derivatives, such as essential oils, to combat different diseases, as well as to preserve food. The differences between antifungal activities of these two essential oils could be due to different chemical composition of essential oils. Thus, this study aimed to investigate the antimicrobial activity of twentyseven essential oils eos used in aromatherapy procedures, a natural therapy with great emphasis currently used against staphylococcus aureus, escherichia coli and pseudomonas aeruginosa strains. The attraction of medicinal and aromatic plants is. The mic and the minimal lethal concentration mlc of the essential oil and its major compounds were determined against several. These findings increase the possibility of exploiting these essential oils as a safe alternative natural preservative. The nanoemulsion amplified the antibacterial activity of the essential oil that was evidenced by enhanced potassium. Antifungal activity of citrus essential oils journal of. Antifungal activity of essential oils against building fungi 451 conclusions the results of present study showed that essential oils of s. To examine the antifungal activity of leaf essential oils and dominant constituents from c. Essential oils obtained from cumin seeds, clove buds and cinnamon bark was checked for their antifungal potentials against penicillium italicum, causal agent of blue mold disease in citrus fruit.
As a result, we found that the antifungal activity was increased several times by the addition of tween 80. The role of essential oils in biological interactions and their potential as therapeutic agents are also discussed. Antimicrobial activity and chemical composition of some. A disc diffusion assay was performed to determine the sensitivity of five fungal strains to the six eos by measuring the inhibition zone diameters in mm. L and muellerhilton agar for bacteria and sabouraud dextrose agar for fungi media. Abstract few satisfactory therapeutic agents are available for the control of influenza virus, largely because of the continual emergence of drugresistant mutants.
The present study was carried out to evaluate the antifungal efficacy of essential oils eo of cymbopogon martini, chenopodium ambrosioides and of their combination against dermatophytes and some filamentous fungi in vitro as well as in vivo using a guinea pig model. Fungi sometimes grow in the air vents of your house and can be spread every time you turn on your air conditioning. Citrus essential oils could be considered suitable alternatives to chemical additives for use in the food industry. Growth inhibition of fungi by various essential oils was determined by direct contact in broth and agar media and compared with the fungistatic action of their vapors using. The effect of antibacterial activity of essential oils may inhibit the growth of bacteria bacteriostatic or destroy bacterial cells bactericidal.
1579 1443 844 7 393 568 1596 459 1266 1178 944 535 112 714 781 1328 475 609 529 817 1443 41 580 1556 339 1516 662 491 368 1543 1151 1229 312 487 815 1516 442 1134 773 937 196 798 1114 527 417