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Carvacrol

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https://www.readbyqxmd.com/read/28738439/terpenoids-from-the-oleo-gum-resin-of-boswellia-serrata-and-their-antiplasmodial-effects-in-vitro
#1
Hippolyt L Greve, Marcel Kaiser, Reto Brun, Thomas J Schmidt
In the course of our ongoing search for new natural products as leads against protozoal diseases, the dichloromethane extract of Indian frankincense, the oleo-gum-resin obtained from Boswellia serrata, showed in vitro activity against Plasmodium falciparum. Bioactivity-guided fractionation led to the isolation of eight diterpenes: (1S,3E,7E,11R)-verticilla-3,7,12(18)-triene (1), cembrene A (2), serratol (3), 1S,3E,7R,8R,11E-7,8-epoxy-cembra-3,11-dien-1-ol (4), incensole oxide (5), rel (1S,3R,7E,11S,12R)-1,12-epoxy-4-methylenecembr-7-ene-3, 11-diol (6), isoincensole oxide (7), and isodecaryiol (8)...
July 24, 2017: Planta Medica
https://www.readbyqxmd.com/read/28720934/evaluation-of-antioxidant-properties-of-za-atar-thymbra-spicata-essential-oils-as-natural-antioxidant-for-stability-of-palm-olein-during-deep-fat-frying-process
#2
Medeni Maskan, Erhan Horuz
The yield of Za'atar (Thymbra spicata) essential oils were found to be 2.5-3.4% at extraction process temperatures of 100-175 °C. The essential oils contained 79.5-86.2% carvacrol. Effects of BHT and Za'atar essential oil on stability of palm olein during deep-fat frying of potato slices were studied at 180 °C. Changes in peroxide, para-anisidine, iodine values, free fatty acid and color were determined. Za'atar essential oil and BHT reduced free fatty acid content of olein from 0.27 to 0.21% (oleic acid) after 50 frying cycles...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28719354/thymol-and-carvacrol-strongly-inhibit-biofilm-formation-and-growth-of-carbapenemase-producing-gram-negative-bacilli
#3
P Raei, T Pourlak, M Y Memar, N Alizadeh, M Aghamali, E Zeinalzadeh, M Asgharzadeh, H S Kafil
Discovery of novel drugs with new mechanisms of action and without cross-reaction with current therapeutic agents is crucial in the management of infections caused by multi-drug resistant (MDR) bacteria. The aim of the present study was to investigate effects of carvacrol and thymol on biofilm formation and antimicrobial activity against different carbapenemase-producing Gram negative bacilli. The antimicrobial and antibiofilm effect of thymol and carvacrol was investigated against strains harboring different genes related to carbapenemase resistance...
May 20, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28701045/investigating-chemical-composition-and-indications-of-hydrosol-soft-drinks-aromatic-waters-used-in-persian-folk-medicine-for-women-s-hormonal-and-reproductive-health-conditions
#4
Azadeh Hamedi, Mehdi Afifi, Hamed Etemadfard
Hydrosol soft drinks in Persian nutrition culture are produced as side products of the essential oil industry to be used as safe remedies for treatment of some ailments. This study investigated hydrosols for women's hormonal health conditions. Detailed information was gathered by questionnaires. Chemical constituents of these mono- or poly-herbal hydrosols were identified after liquid/liquid extraction and gas chromatography-mass spectrometry. Hierarchical cluster and K-means analysis (SPSS software) were used to find their relevance...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28675464/chemical-composition-antimicrobial-and-insecticidal-activity-against-the-lesser-mealworm-alphitobius-diaperinus-panzer-coleoptera-tenebrionidae-of-origanum-vulgare-l-ssp-hirtum-link-and-artemisia-dracunculus-l-essential-oils
#5
Maria Szczepanik, Maciej Walczak, Beata Zawitowska, Marta Michalska-Sionkowska, Antoni Szumny, Czesław Wawrzeńczyk, Maria Swiontek Brzezinska
BACKGROUND: Essential oils (EOs) from Artemisia dracunculus L. and Origanum vulgare L. ssp. hirtum were obtained and the qualitative and quantitative chemical composition of the extracts was investigated. The insecticidal activity of EOs against the larval stages of Alphitobius diaperinus (Panzer) was studied. Moreover, the antimicrobial activity of these oils against pathogens transmitted by this pest was also investigated. RESULTS: The obtained results indicate the possibility of using Greek oregano EO with a high content of carvacrol as a feed additive in poultry nutrition...
July 4, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28646428/effects-of-carvacrol-on-survival-mesenteric-blood-flow-aortic-function-and-multiple-organ-injury-in-a-murine-model-of-polymicrobial-sepsis
#6
Erdem Kamil Ozer, Mustafa Tugrul Goktas, Aysun Toker, Hulagu Bariskaner, Ceyhan Ugurluoglu, Alper Bektas Iskit
Carvacrol (CRV) has strong cytoprotective, antioxidant, and anti-inflammatory properties. We aimed to demonstrate the possible protective effects of CRV on survival, mesenteric artery blood flow (MBF), vascular reactivity, and oxidative and inflammatory injuries in a murine model of polymicrobial sepsis induced by cecal ligation and puncture (CLP). Wistar rats were allocated into the following four groups: Sham, CLP, Sham + CRV, and CLP + CRV. The animals were orally administered with CRV (80 mg/kg/day) or vehicle (corn oil; 1 mL/kg/day) for 7 days...
June 23, 2017: Inflammation
https://www.readbyqxmd.com/read/28644990/global-transcriptional-response-of-escherichia-coli-mg1655-cells-exposed-to-the-oxygenated-monoterpenes-citral-and-carvacrol
#7
Beatriz Chueca, Elisa Pérez-Sáez, Rafael Pagán, Diego García-Gonzalo
DNA microarrays were used to study the mechanism of bacterial inactivation by carvacrol and citral. After 10-min treatments of Escherichia coli MG1655 cells with 100 and 50ppm of carvacrol and citral, 76 and 156 genes demonstrated significant transcriptional differences (p≤0.05), respectively. Among the up-regulated genes after carvacrol treatment, we found gene coding for multidrug efflux pumps (acrA, mdtM), genes related to phage shock response (pspA, pspB, pspC, pspD, pspF and pspG), biosynthesis of arginine (argC, argG, artJ), and purine nucleotides (purC, purM)...
June 20, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28633539/a-survey-on-chemical-constituents-and-indications-of-aromatic-waters-soft-drinks-hydrosols-used-in-persian-nutrition-culture-and-folk-medicine-for-neurological-disorders-and-mental-health
#8
Azadeh Hamedi, Ardalan Pasdaran, Zahra Zebarjad, Mahmoodreza Moein
In Persian nutrition culture, drinking aromatic waters (hydrosols, distillate) has a long history as functional beverages or therapeutic remedies. The co-distilled water with essential oils, which contains partial amounts of more water-soluble volatile compounds are diluted and used as beverages. Since the solubility of volatile components is different in water, the overall composition, and thus the biological activities of aromatic waters seem to be different from the essential oils they were co-distilled with...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28633128/involvement-of-udp-glucuronosyltransferases-in-higenamine-glucuronidation-and-the-gender-and-species-differences-in-liver
#9
Zhi Liang, Chang Xu, Lingna Dong, Yile Fu, Qiong Wu, Jie Zhao, Ling Ye, Zheng Cai, Menghua Liu, Bijun Xia, Lan Tang, Zhongqiu Liu
OBJECTIVES: Higenamine (HG), an active ingredient of Aconite root in Chinese herbal medicine, is mainly metabolized by UDP-glucuronosyltransferases (UGT). However, the systematic glucuronidation of HG in humans remains unclear. The purpose of this study was to investigate the glucuronidation of HG. METHODS: 12 recombinant human UGT (rUGT) isozymes were used to characterize the HG glucuronidation. Liver microsomes from male and female mice, rats, guinea pigs, dogs, and humans were used to determine the species and gender differences using liquid chromatography-mass spectrometry...
June 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28619454/carvacrol-clay-hybrids-loaded-into-in-situ-gelling-films
#10
M Tenci, S Rossi, C Aguzzi, E Carazo, G Sandri, M C Bonferoni, P Grisoli, C Viseras, C M Caramella, F Ferrari
The aim of the present work was the development of polymer films loaded with a carvacrol (CVR)/clay hybrid (HYBD) for the delivery of CRV in infected skin ulcer treatment. Different clays were considered: montmorrilonite, halloysite and palygorskite (PHC). CRV incorporation in PHC reduced its volatility. HYBD showed 20% w/w CRV loading capacity and was able to preserve CRV antioxidant properties. HYBD was characterized by improved antimicrobial properties against S. aureus and E. coli and cytocompatibility towards human fibroblasts with respect to pure CRV...
June 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28587960/mathematical-modeling-of-gallic-acid-release-from-chitosan-films-with-grape-seed-extract-and-carvacrol
#11
Javiera F Rubilar, Rui M S Cruz, Rommy N Zuñiga, Igor Khmelinskii, Margarida C Vieira
Controlled release of antimicrobial and antioxidant compounds from packaging films is of utmost importance for extending the shelf-life of perishable foods. This study focused on the mathematical modeling of gallic acid release into an aqueous medium from three chitosan films, formulated with grape seed extract (GSE) and carvacrol. We quantified the release by HPLC technique during 30days at three temperatures (5, 25 and 45°C). The diffusion coefficients, varying with temperature according to an Arrhenius-type relationship, and the respective activation energies for Film-1 and Film-2 were, respectively [Formula: see text] m(2)s(-1) and [Formula: see text] m(2)s(-1), Ea1=58kJmol(-1) and Ea2=60kJmol(-1) as obtained from the Fickian fit...
June 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28587959/cellulose-nanocrystals-from-actinidia-deliciosa-pruning-residues-combined-with-carvacrol-in-pva_ch-films-with-antioxidant-antimicrobial-properties-for-packaging-applications
#12
Francesca Luzi, Elena Fortunati, Geremia Giovanale, Angelo Mazzaglia, Luigi Torre, Giorgio Mariano Balestra
Kiwi Actinidia deliciosa pruning residues were here used for the first time as precursors for the extraction of high performing cellulose nanocrystals (CNC) by applying a bleaching treatment followed by an acidic hydrolysis. The resultant cellulosic nanostructures, obtained by an optimize extraction procedure (0.7% wt/v two times of sodium chlorite NaClO2) followed by an hydrolysis step, were then used as reinforcements phases in poly(vinyl alcohol) (PVA) blended with natural chitosan (CH) based films and also combined, for the first time, with carvacrol used here as active agent...
June 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28567799/cox-2-selective-inhibitors-celecoxib-and-deracoxib-modulate-transient-receptor-potential-vanilloid-3-channels
#13
Stefan Spyra, Anne Meisner, Michael Schaefer, Kerstin Hill
BACKGROUND AND PURPOSE: The transient receptor potential vanilloid 3 (TRPV3) channel is a heat-sensitive ion channel, which is predominantly expressed in keratinocytes. TRPV3 channels are involved in numerous physiological and pathophysiological processes within the skin, including cutaneous nociception, temperature sensation and development of itch. The role of TRPV3 channels in such processes is poorly understood; therefore, the establishment of selective modulators of TRPV3 channels is highly desirable...
May 31, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28566685/monitoring-zeo-apoptotic-potential-in-2d-and-3d-cell-cultures-and-associated-spectroscopic-evidence-on-mode-of-interaction-with-dna
#14
Fahimeh Salehi, Hossein Behboudi, Gholamreza Kavoosi, Sussan K Ardestani
Recognizing new anticancer compounds to improve Breast cancer treatment seems crucial. Essential oil of Zataria Multiflora (ZEO) is a secondary metabolite with some biological properties, yet underlying cellular and molecular anticancer properties of ZEO is unclear. GC/MS analysis revealed that carvacrol is the major ingredient of the essential oil. ZEO increasingly suppressed viability in MDA-MB-231, MCF-7 and T47D Breast cancer cells while nontoxic to L929 normal cells in monolayer cell cultures (2D), whereas MDA-MB-231 multicellular spheroids (3D) were more resistant to inhibition...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28556574/influence-of-environmental-factors-on-essential-oil-variability-in-origanum-compactum-benth-growing-wild-in-morocco
#15
Kaoutar Aboukhalid, Chaouki Al Faiz, Ahmed Douaik, Mohamed Bakha, Karolina Kursa, Monika Agacka-Mołdoch, Nathalie Machon, Félix Tomi, Abdeslam Lamiri
The present study aimed to evaluate the influence of environmental factors on essential oils (EOs) composition of O. compactum populations sampled all over the distribution area of the species in Morocco, and to determine the extent of the chemical profiles throughout the geographical distribution of the species. The chemical compositions were submitted to Canonical Correlation Analysis (CCA) and Canonical Discriminant Analysis (CDA) that indicated a significant relationship between oil components and some environmental factors...
May 27, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28554612/essential-oil-diversity-of-origanum-vulgare-l-populations-from-southern-italy
#16
Giuseppe De Mastro, Waed Tarraf, Leonardo Verdini, Gianluca Brunetti, Claudia Ruta
Essential oils (EOs) belonging to 25 wild populations of Origanum vulgare L. samples, growing wild in different locations of Calabria Region (Southern Italy), were analyzed using gas chromatography-mass spectrometry. The quantitative and qualitative data showed EO concentrations ranging from 0.96 to 5.10% and 37 compounds detected, representing more than 80% of the total composition of the oils. By applying hierarchical cluster analysis on the basis of the EO constituents, two main groups and three subgroups were found, reflecting the variation in the chemical composition of EOs from wild oregano populations...
November 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28542395/carvacrol-derivatives-as-mushroom-tyrosinase-inhibitors-synthesis-kinetics-mechanism-and-molecular-docking-studies
#17
Zaman Ashraf, Muhammad Rafiq, Humaira Nadeem, Mubashir Hassan, Samina Afzal, Muhammad Waseem, Khurram Afzal, Jalifah Latip
The present work describesthe development of highly potent mushroom tyrosinase inhibitor better than the standard kojic acid. Carvacrol derivatives 4a-f and 6a-d having substituted benzoic acid and cinnamic acidresidues were synthesized with the aim to possess potent tyrosinase inhibitory activity.The structures of the synthesized compounds were ascertained by their spectroscopic data (FTIR, 1HNMR, 13CNMR and Mass Spectroscopy).Mushroom tyrosinase inhibitory activity of synthesized compounds was determined and it was found that one of the derivative 6c possess higher activity (IC50 0...
2017: PloS One
https://www.readbyqxmd.com/read/28530570/enhanced-antimicrobial-activity-of-essential-oil-components-immobilized-on-silica-particles
#18
María Ruiz-Rico, Édgar Pérez-Esteve, Andrea Bernardos, Félix Sancenón, Ramón Martínez-Máñez, María D Marcos, José M Barat
The antimicrobial activity of essential oils components (EOCs) is well-known. However, their high volatility and powerful aroma limit their application in the formulation of a wide range of food products. In this context, the antimicrobial activity of carvacrol, eugenol, thymol and vanillin grafted onto the surface of three silica supports with different morphologies, textural properties and chemical reactivities (fumed silica, amorphous silica and MCM-41) was evaluated herein. Materials characterization revealed a good immobilization yield and all the devices showed a micro-scale particle size...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28526576/carvacrol-promotes-neuroprotection-in-the-mouse-hemiparkinsonian-model
#19
L M Dati, H Ulrich, C C Real, Z P Feng, H S Sun, L R Britto
Carvacrol is a monoterpene that has been linked to neuroprotection in several animal models of neurodegeneration, including ischemia, epilepsy and traumatic neuronal injury. In this study, we investigated the effects of carvacrol (i.p.) upon the neurodegeneration induced by 6-hydroxy-dopamine unilateral intrastriatal injections in mice. We have also used the cylinder test to assess the behavioral effects of carvacrol in that model of Parkinson's disease, and immunoblots to evaluate the levels of caspase-3 and TRPM7, one of major targets of carvacrol...
May 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28526346/release-study-and-inhibitory-activity-of-thyme-essential-oil-loaded-chitosan-nanoparticles-and-nanocapsules-against-foodborne-bacteria
#20
M Sotelo-Boyás, Z Correa-Pacheco, S Bautista-Baños, Y Gómez Y Gómez
The antibacterial property of thyme essential oil due to different volatile compounds, has been well documented in the literature. To overcome the high volatility of essential oil components, encapsulation has emerged as a new alternative. In this work, chitosan and thyme essential oil-loaded chitosan nanoparticles (TEO-CSNPs) and nanocapsules (TEO-CSNCs) were prepared by nanoprecipitation and nanoencapsulation, respectively. The morphology, encapsulation efficiency, release kinetics, and inhibitory activity were evaluated...
May 16, 2017: International Journal of Biological Macromolecules
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