Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 77 for “"essential oil"”.
-
Biological activities of Lavandula angustifolia essential oil
Zuzana Bílková, Biologické účinky silice Levandule úzkolisté, diplomová práce, Univerzita Karlova v Praze, Farmaceutická fakulta v Hradci Králové, vedoucí diplomové práce: PharmDr. Jan Martin, PhD., Hradec Králové, 2013, 72 stran. Diplomová práce s názvem "Biologické účinky silice Levandule …
-
Studies on the essential oil of Anemopsis Californica
… or Manza.</p><p> We decided to investigate the essential oil of Anemopsis Californica in greater detail. The results of our investigation to date are included and described in this thesis.</p>
-
Evaluation of hops essential oil cytotoxicity and anti-cryptosporidium activity
Background. Hops essential oil (HEO) is a by-product of the brewing industry with proven antibacterial and antifungal activities. Its antiparasitic activity, however, has not been explored extensively. We sought to evaluate the ability of HEO and myrcene, a monoterpene predominantly present in HEO, …
-
Application of Essential Oil Compounds and Bacteriophage to Control Staphylococcus aureus
… application in the food industry include essential oils (EO) and host-specific bacteriophage (phage). The objectives of this study were 1) to determine the efficacy of varying concentrations of pure EOs compounds against S. aureus and 2) to evaluate the efficacy of a S. aureus-specific …
-
USING ANALYTICAL METHODOLOGIES TO ASSESS THE ORGANOLEPTIC CHARACTER OF CITRUS ESSENTIAL OIL
Essential oils are natural products used to flavor food and beverages. With the increase in nutrition conscious consumers, manufacturers of food additives and food products are faced with the challenge of making healthy alternatives. In particular, food products going to market with label claims …
-
Chemical characterisation of the volatile constituents of essential oil from Commiphora Wildii (Omumbiri) resin
… Facility (OPF) is currently producing Omumbiri essential oil which they supply to companies in Namibia, South Africa, Germany and France. However, most of their products are sold in Southern Africa, and supply outweighs the demand. OPF is currently working on improving the reproducibility of …
-
Anti-asthmatic and anti-cough activities of the essential oil Of Eucalyptus Grandis W. Hill Ex Maiden
… coughing. This project aims to investigate the essential oil of Eucalyptus grandis, a medicinal plant used by Zulu traditional healers for its antiasthmatic and anti-cough activities in the treatment of respiratory tract infections. The anti-asthmatic and anti-cough activities of the essential …
-
Essential oil treatments to control Varroa destructor Anderson and Trueman 2000 (formerly Varroa jacobsoni Oudemans 1904) (Mesostigmata: Varroidae)
… colonies were used to establish the efficacy of essential oils and ApistanRTM to control V. destructor. Three essential oil treatments were delivered into the hives using different application methods. Eight percent Wintergreen in mineral oil was delivered by using a modified bottom board. A 2:1 …
-
Development of Novel Anti-microbial Plant Essential-Oil Treatments to Reduce the Postharvest Incidence of Botrytis cinerea of Strawberries
… chemical residues. Recent research with plant essential-oil volatile compounds has indicated that they have significant anti-fungal activity. Very little information is available regarding the use of essential-oil compounds for postharvest treatments on California strawberries to reduce the …
-
Use of plant-derived essential oil compounds and naturally-occurring apple flavor compounds to control foodborne pathogens in apple juice
… has led to the exploration of plant-derived essential oil (EO) compounds as an alternative means of preservation. While some of these compounds are effective against foodborne pathogens, their strong aroma and "spicy" flavor are not compatible with the flavor of juice. The purpose of this …
-
Evaluation of the Effect of a Lippia organoides Essential Oil Extract on Clostridium perfringens Proliferation In Vitro and Necrotic Enteritis in Broiler Chickens
… present research was to assess the effects of essential oils derived from the plant Lippia organoides on performance parameters, intestinal integrity, and necrotic enteritis (NE) in broiler chickens. To do this, a previously established challenge model for NE was utilized which included …
-
Use of plant-derived essential oil compounds, naturally-occurring apple aroma compounds, and apple juice flavoring mixtures to control the growth of Escherichia coli O157:H7
… to evaluate the antimicrobial activity of three essential oil (EO) compounds (thymol, eugenol, and trans-cinnamaldehyde) alone and in combination with three naturally-occurring apple aroma (AA) compounds (hexanal, trans-2-hexenal and 1-hexanol) to identify the minimum inhibitory concentrations …
-
Part A: Investigation of a newly identified plant Hernandia didymantha Donn, synthesis of phenethyl cinnamide Part B: Selective removal of ascaridol from the essential oil of Chenopodium ambrosioides var ambrosioides Part C: Synthesis of canophyllol analogues
… is safe and an effective treatment. The essential oil has been investigated as an organic insecticide by Codena Inc, (St Charles sur Richelieu, Quebec). Registration was initially rejected by the U.S. Environmental Protection Agency because of the known toxicity of one of the components, …
-
Anti-candida and Anti-virulence Activity of Essential Oils and Their Components
… Recently, there has been a resurged interest in essential oils and their active components, in relation to their pharmacological properties. The primary objective of this research was to evaluate the antifungal activity of cinnamon bark and rosemary essential oils, along with its major components …
-
Desenvolvimento do método de extração em solução hexânica e identificação dos compostos do óleo de Melaleuca alternifolia.
… . Most studies regarding the M.alternifolia oil are related to its antimicrobial, antiinflammat ory, antiviral and anticancer activities. The knowledge about plan t chemical constituents is important to discover the true value of herbal medi cines and to evaluate its toxicity. The improvement …
-
Evaluation of Escherichia coli O157:H7 and Salmonella enterica inactivation in water by several treatment technologies
… to match this demand. In this study, wintergreen essential oil, physical filtration, iodine and chlorine dioxide tablets, sunlight, artificial UV light, and TiO2 photocatalyst treatment methods and their effects on waterborne pathogens Escherichia coli O157:H7 and Salmonella enterica are …
-
Estrazione di composti biologicamente attivi da piante della Sardegna
… extraction and characterization of volatile oils having interesting biological activities, possibly susceptible of therapeutic applications. A further aim of this work was to separate biologically active molecules and nutraceuticals by means of SFE at high pressure. The investigated species …
-
Development Of Active Packaging With Antimicrobial Activity
… chitosan-gallic acid edible films and chitosan-essential oil coatings with antimicrobial activity, as well as active packaging with chlorine dioxide sachet were developed. The results show that the incorporation of gallic acid significantly increased the antimicrobial activities of the films …
-
Caracterização química de óleos essenciais de quatro espécies da família Lamiaceae : Hyptis suaveolens (L.) Poit, Hyptis pectinata (L.) Poit, Hyptis martiusii Benth. e Rhaphiodon echinus (Nees & Mart.) Schauer.
… of secondary metabolites, especially the essential oils that have great value in many communities be cause of its therapeutic properties. Another representative of the Lamiaceae family in the Caatinga is the Rhaphiodon genus, monotypic, consist of a single species, the Rhaphiodon echinus …
Page 1 of 4