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Amelia Virginia González-Porto, Tomás Martín Arroyo, Carmen Bartolomé Esteban
BACKGROUND AND AIMS: The objective of this work was to determine the influence of the soil substrate on the characteristics and properties of a specific type of honey. As such, we analysed the features of a typical single-flower honey, thyme honey, produced in a specific Mediterranean region. Thymus is a genus of aromatic perennial plants that are native to Europe, North Africa and Asia. METHODS: A total of 70 honey samples from hives situated on limestone (38 samples) or gypsum soils (32 samples) were studied...
2016: SpringerPlus
Haiying Cui, Cuixia Ma, Lin Lin
E. coli O157:H7 is a bacterium frequently found on vegetable surfaces, such as cucumber, that can pose a significant threat to consumers. In the present work, proteinase K (PK) and thyme oil (TO) were used to inactivate E. coli O157:H7 biofilms. Both PK and TO were encapsulated in liposomes to improve their chemical stability and to allow for a controlled release. The optimal PK/TO-loaded liposomes (particle size of 170.4 nm, polydispersity index of 0.309, zeta potential of -29.8 mV and entrapment efficiency of 33...
September 14, 2016: Food & Function
Abderrahmane Houicher, Hind Hechachna, Hanifa Teldji, Fatih Ozogul
The aim of this study was to determine the antifungal activity of the essential oils isolated from three aromatic plants against 13 filamentous fungal strains. The major constituents of Mentha spicata, Thymus vulgaris, and Laurus nobilis essential oils were carvone (52.2%), linalool (78.1%), and 1,8-cineole (45.6%), respectively. M. spicata essential oil exhibited the strongest activity against all tested fungi in which Fusarium graminearum, F.moniliforme, and Penicillium expansum were the most sensitive to mint oil with lower minimal inhibitory concentration (MIC) and minimal fungicidal concentration (MFC) values of 2...
September 27, 2016: Recent Patents on Food, Nutrition & Agriculture
Juliane C Silva, Jackson R G S Almeida, Jullyana S S Quintans, Rajiv Gandhi Gopalsamy, Saravanan Shanmugam, Mairim Russo Serafini, Maria R C Oliveira, Bruno A F Silva, Anita O B P B Martins, Fyama F Castro, Irwin R A Menezes, Henrique D M Coutinho, Rita C M Oliveira, Parimelazhagan Thangaraj, Adriano A S Araújo, Lucindo J Quintans-Júnior
Orofacial pain is associated with diagnosis of chronic pain of head, face, mouth, neck and all the intraoral structures. Carvacrol, a naturally occurring isoprenoid with diverse class of biological activities including anti-inflammatory, analgesic, antitumor and antioxidant properties. Now, the antinociceptive effect was studied in mice pretreatment with carvacrol (CARV) and β-cyclodextrin complex containing carvacrol (CARV-βCD) in formalin-, capsaicin-, and glutamate- induced orofacial nociception. Mice were pretreated with vehicle (0...
September 26, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Arícia M M Possas, Guiomar D Posada-Izquierdo, Fernando Pérez-Rodríguez, Rosa M García-Gimeno
The increased demand for low-sodium ready-to-eat (RTE) meat products highlights the need for new strategies to ensure food safety. The application of essential oils (EOs) as natural antimicrobials in the meat industry has been suggested to prevent or control cross-contamination during meat processing operations. This work aims to quantify and model the transfer of Salmonella Enteritidis during the slicing procedure of RTE turkey products treated with thyme essential oil (TEO) at a concentration of 0.1% (v/w)...
September 28, 2016: Journal of Food Science
Mariem Ben Jemaa, Hanen Falleh, Marcos A Neves, Hiroko Isoda, Mitsutoshi Nakajima, Riadh Ksouri
The objective of this study is to evaluate the effect of either a solution of Thymus capitatus essential oil or its nanoemulsion on the quality of milk contaminated by bacteria. After 24h of S. aureus inoculation, bacterial growth reached 202×10(3)CFU/ml in the presence of the essential oil while it was limited to 132×10(3)CFU/ml when treated with nanoemulsion. The reduction of antioxidant capacity of milk treated with essential oil was higher when treated with nanoemulsion. Moreover, free essential oil was more efficient in protecting proteins from degradation than the nanoemulsion...
February 15, 2017: Food Chemistry
Julia Fabbri, Marina A Maggiore, Patricia E Pensel, Guillermo M Denegri, Liesel B Gende, María C Elissondo
Currently, benzimidazoles are used as chemotherapeutic agents and as a complement to surgery and PAIR in the treatment of cystic echinococcosis (CE). They are generally applied at high doses causing side effects and, 50% of cases do not respond favorably to such chemotherapy. The use of essential oils obtained by distillation from aromatic plants would be an effective alternative or complementary to the synthetic compounds, because would not bring the appearance of side effects. Carvacrol and his isomer thymol are the main phenolic components from essential oils of Origanum vulgare (oregano) and Thymus vulgaris (thyme)...
September 17, 2016: Acta Tropica
Alaeldein M Abudabos, Abdullah H Alyemni, Yousif M Dafalla, Rifat Ullah Khan
There is a growing concern over the use of antibiotics due to the increased resistance of pathogens in broiler. The present study was designed to find the comparative effect of an antibiotic, and some phytogenic on performance traits, blood biochemical parameters, and antioxidant status during starter phase exposed to Salmonella typhimurium challenge. A total of 560-day-old broiler chicks (Ross 308) were randomly allocated to seven treatments (eight replicates). Control (basal diet); T1, infected with Salmonella enterica subsp...
September 19, 2016: Environmental Science and Pollution Research International
Erika-Beáta Kerekes, Anita Vidács, Julianna Jenei Török, Csilla Gömöri, Tamás Petkovits, Muthusamy Chandrasekaran, Shine Kadaikunnan, Naiyf S Alharbi, Csaba Vágvölgyi, Judit Krisch
The anti-listerial effect of marjoram, thyme essential oils (EOs) and thymol on Listeria monocytogenes inoculated chicken breast fillets was investigated. Before inoculation the fillets were pretreated by washing or not under running tap water. Inoculated samples were kept at 6 °C for 24 h to allow the growth of L. monocytogenes. After this, the fillets were put in marinating solutions containing salt (5%) and EOs or thymol in MIC/2 concentration established in vitro. Total germ count (TGC) and L. monocytogenes count was monitored on the meat surface and in the marinating solutions following 24 and 48 h storage at 6 °C...
September 2016: Acta Biologica Hungarica
Marisol Juan-Borrás, Juan Soto, Luis Gil-Sánchez, Ana Pascual-Maté, Isabel Escriche
BACKGROUND: This work evaluates the capacity of a potentiometric electronic tongue to differentiate between types of honey (orange blossom, rosemary, thyme, sunflower, winter savory and honeydew honey) according to their antioxidant level. The classical procedures used to evaluate the antioxidant potential of honey are inappropriate for in situ monitoring on reception of batches of raw honey in the packaging industry. They are also destructive, time-consuming and very tedious, requiring highly expert analysts and specialised equipment...
October 5, 2016: Journal of the Science of Food and Agriculture
Shreesh Raj Sammi, Shalini Trivedi, Srikanta Kumar Rath, Abhishek Nagar, Sudeep Tandon, Alok Kalra, Rakesh Pandey
Cholinergic dysfunction is manifested in a plethora of neurodegenerative and psychiatric disorders such as Alzheimer's, Parkinson's, and Huntington's diseases. The extent of cholinergic affliction is maximum in Alzheimer's disease which is a progressive neurodegenerative disorder involving death of cholinergic neurons. To this date, the therapeutic management of cholinergic dysfunction is limited to provide symptomatic relief through the use of acetylcholinesterase (Ache) inhibitors only. The present study elaborates the potential of thyme oil and its individual components in curtailing cholinergic deficits...
September 6, 2016: Molecular Neurobiology
Arícia Possas, Guiomar D Posada-Izquierdo, Fernando Pérez-Rodríguez, Antonio Valero, Rosa M García-Gimeno, Marta C T Duarte
Consumers' demand for ready-to-eat (RTE) turkey meat is attributed to its convenience and healthy properties. However, as cooked meat product it is subjected to post-process contamination, thus allowing presence and growth of microbial pathogens, such as Salmonella spp.. The aim of this study was to include a natural antimicrobial, thyme essential oil (TEO), on RTE turkey products in order to evaluate its effectiveness throughout the shelf life. To do so, the effect of four different formulations of cooked RTE turkey products on Salmonella Enteritidis behaviour was investigated...
August 3, 2016: International Journal of Food Microbiology
Narcisa Mandras, Antonia Nostro, Janira Roana, Daniela Scalas, Giuliana Banche, Valeria Ghisetti, Simonetta Del Re, Giacomo Fucale, Anna Maria Cuffini, Vivian Tullio
BACKGROUND: The management of Candida infections faces many problems, such as a limited number of antifungal drugs, toxicity, resistance of Candida to commonly antifungal drugs, relapse of Candida infections, and the high cost of antifungal drugs. Though azole antifungal agents and derivatives continue to dominate as drugs of choice against Candida infections, there are many available data referring to the anticandidal activity of essential oils. Since we have previous observed a good antimicrobial activity of some essential oils against filamentous fungi, the aim of this study was to extend the research to evaluate the activity of the same oils on Candida albicans, C...
2016: BMC Complementary and Alternative Medicine
Marcella Reale, Elanur Aydin
Thymol (THY), which is a monocyclic monoterpene, is one of the major constituent of the essential oils of thyme and origanum. To date, although various biological activities of THY have been demonstrated, its neurotoxicity has never been explored. We aimed to describe in vitro antiproliferative and/or cytotoxic properties (by 3-(4,5 dimetylthiazol-2-yl)-2,5 diphenlytetrazolium bromide (MTT) test), genotoxic damage potentials (by single cell gel electrophoresis (SCGE)) and oxidative effects (by total antioxidant capacity (TAC) and total oxidative stress (TOS) analysis) of THY...
August 23, 2016: Central Nervous System Agents in Medicinal Chemistry
Rachelle El Khoury, Ali Atoui, Carol Verheecke, Richard Maroun, Andre El Khoury, Florence Mathieu
Ochratoxin A (OTA) is a mycotoxin, mainly produced on grapes by Aspergillus carbonarius, that causes massive health problems for humans. This study aims to reduce the occurrence of OTA by using the ten following essential oils (E.Os): fennel, cardamom, anise, chamomile, celery, cinnamon, thyme, taramira, oregano and rosemary at 1 µL/mL and 5 µL/mL for each E.O.As a matter of fact, their effects on the OTA production and the growth of A. carbonarius S402 cultures were evaluated, after four days at 28 °C on a Synthetic Grape Medium (SGM)...
2016: Toxins
Thibaut Istasse, Nicolas Jacquet, Thomas Berchem, Eric Haubruge, Bach Kim Nguyen, Aurore Richel
Honey polyphenols have been studied with the objective of relating honeys to their floral sources. Initially synthesized by plant, these polyphenols can be found in the plant's nectar, which are collected by bees, which convert the nectar into honey. Consequently, polyphenols constitute minor components of honey. The development of a solid-phase extraction method for honey polyphenols is presented in this study. The technique employs Amberlite XAD-2 adsorbent and was tested on monofloral honeys from six different plants: acacia, chestnut, eucalyptus, thyme, sunflower, and wild carrot...
2016: Analytical Chemistry Insights
Andrzej L Dawidowicz, Joanna Szewczyk, Michal P Dybowski
Similar quantitative relations between individual constituents of the liquid sample established by its direct injection can be obtained applying Polydimethylsiloxane (PDMS) fiber in the headspace solid phase microextraction (HS-SPME) system containing the examined sample suspended in methyl silica oil. This paper proves that the analogous system composed of sample suspension/emulsion in polyethylene glycol (PEG) and Carbowax fiber allows to get similar quantitative relations between components of the mixture as those established by its direct analysis, but only for polar constituents...
September 7, 2016: Analytica Chimica Acta
Manel Issaoui, Guido Flamini, Sondess Souid, Alessandra Bendini, Sara Barbieri, Ines Gharbi, Tullia Gallina Toschi, Pier Luigi Cioni, Mohamed Hammami
With the aim to expand the olive oil market to a larger number of consumers who are not familiar with the sensory characteristics of virgin olive oil, the use of novel products known as "flavored olive oils", obtained by adding different kind of spices and aromatic herbs, is spreading in many countries. In order to test consumer acceptability of this type of product, in a country (Tunisia) in which virgin olive oil is regularly consumed, flavored olive oils were prepared by adding aromatic extracts of thyme, oregano, a mix of herbs (used as pizza seasoning), rosemary, and basil to a monovarietal Chemlali virgin olive oil and a consumer test on 206 subjects was performed...
June 2016: Natural Product Communications
Ezgi Mutluay Yayla, Nur Izgu, Leyla Ozdemir, Sinem Aslan Erdem, Murat Kartal
OBJECTIVE: This pilot study aimed to investigate the preventive effect of sage tea-thyme-peppermint hydrosol oral rinse used in conjunction with basic oral care on chemotherapy-induced oral mucositis. DESIGN: An open-label randomized controlled study. SETTING: Two oncology hospitals in Ankara, Turkey. INTERVENTIONS: Patients receiving 5-fluorouracil-based chemotherapy regimens were divided into the intervention group (N=30) and control group (N=30)...
August 2016: Complementary Therapies in Medicine
Ali Timuçin Atayoğlu, Meltem Soylu, Sibel Silici, Neriman İnanç
BACKGROUND/AIM: Clinical trials have shown that low glycemic index (GI) nutrition reduces mean blood glucose concentrations and insulin secretions. The aim of the present study was to determine the GI values of various monofloral (citrus, milk-vetch, chestnut, thyme, lime, pine) honeys of Turkey, and the effect of their consumption on glucose metabolism. MATERIALS AND METHODS: Processing data from 20 healthy volunteers, GI values were determined from the glycemia values by using the incremental area method...
2016: Turkish Journal of Medical Sciences
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