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Eugenol

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https://www.readbyqxmd.com/read/28106736/development-and-sequential-analysis-of-a-new-multi-agent-anti-acne-formulation-based-on-plant-derived-antimicrobial-and-anti-inflammatory-compounds
#1
Crina Saviuc, Bianca Ciubucă, Gabriela Dincă, Coralia Bleotu, Veronica Drumea, Mariana-Carmen Chifiriuc, Marcela Popa, Gratiela Gradisteanu Pircalabioru, Luminita Marutescu, Veronica Lazăr
The antibacterial and anti-inflammatory potential of natural, plant-derived compounds has been reported in many studies. Emerging evidence indicates that plant-derived essential oils and/or their major compounds may represent a plausible alternative treatment for acne, a prevalent skin disorder in both adolescent and adult populations. Therefore, the purpose of this study was to develop and subsequently analyze the antimicrobial activity of a new multi-agent, synergic formulation based on plant-derived antimicrobial compounds (i...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28097914/nanostructured-lipid-carriers-nlc-for-the-delivery-of-natural-molecules-with-antimicrobial-activity-production-characterization-and-in-vitro-studies
#2
Rita Cortesi, Giuseppe Valacchi, Ximena M Muresan, Markus Drechsler, Catia Contado, Elisabetta Esposito, Alessandro Grandini, Alessandra Guerrini, Giuseppe Forlani, Gianni Sacchetti
This study describes the preparation, characterization and in vitro activity of nanostructured lipid carriers (NLC) encapsulating natural molecules with antimicrobial activity, such as plumbagin, hydroquinon, eugenol, alpha-asarone and alpha-tocopherol. NLC were prepared by melt and ultrasonication method, characterized by Cryo-TEM for morphology and SdFFF for dimensional distribution and active encapsulation yields. In vitro tests were conducted on bacteria, fungi and human cell cultures. In vitro tests demonstrated that plumbagin is strongly toxic towards F...
January 18, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28090743/cement-associated-peri-implant-mucositis-a-1-year-follow-up-after-excess-cement-removal-on-the-peri-implant-tissue-of-dental-implants
#3
Michael Korsch, Winfried Walther, Andreas Bartols
BACKGROUND: Methacrylate-based cements seem to promote peri-implant tissue inflammation even in the absence of excess cement. PURPOSE: The present study deals with the question of whether the removal of methacrylate cement from the peri-implant sulcus will lead to peri-implant tissues free of inflammation on a 1-year follow-up basis. MATERIAL AND METHODS: Implant supported suprastructures that had been in the mouth for at least 3.5 years either cemented with methacrylate (premier implant cement [PIC]) or zinc eugenol (temp bond [TB]) cement were compared...
January 15, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28078415/gc-ms-method-validation-and-levels-of-methyl-eugenol-in-a-diverse-range-of-tea-tree-melaleuca-alternifolia-oils
#4
Carolyn A Raymond, Noel W Davies, Tony Larkman
Tea tree oil distilled from Melaleuca alternifolia has widespread use in the cosmetic industry as an antimicrobial as well as for other functions in topical products. Concerns were first raised by the European Commission's Scientific Committee on Consumer Products in 2004 about the level of the potentially carcinogenic phenylpropanoid compound methyl eugenol in tea tree oil. Limits on oil content in different types of cosmetic products were set based on a reported upper level of 0.9% methyl eugenol in the oil...
January 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28078245/the-effects-of-cinnamaldehyde-and-eugenol-on-human-adipose-derived-mesenchymal-stem-cells-viability-growth-and-differentiation-a-cheminformatics-and-in-vitro-study
#5
Abdorrahim Absalan, Seyed Alireza Mesbah-Namin, Taki Tiraihi, Taher Taheri
OBJECTIVE: The aim of this study was to estimate the cheminformatics and qualitative structure-activity relationship (QSAR) of cinnamaldehyde and eugenol. The effects of cinnamaldehyde and eugenol on the viability, doubling time and adipogenic or osteogenic differentiations of human adipose-derived mesenchymal stem cells (hASCs) were also investigated. MATERIALS AND METHODS: QSAR and toxicity indices of cinnamaldehyde and eugenol were evaluated using cheminformatics tools including Toxtree and Toxicity Estimation Software Tool (T...
November 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28064439/eugenol-specialty-chemical-production-in-transgenic-poplar-populus-tremula-%C3%A3-p-alba-field-trials
#6
Da Lu, Xianghe Yuan, Sung-Jin Kim, Joaquim V Marques, P Pawan Chakravarthy, Syed G A Moinuddin, Randi Luchterhand, Barri Herman, Laurence B Davin, Norman G Lewis
A foundational study assessed effects of biochemical pathway introduction into poplar to produce eugenol, chavicol, p-anol, isoeugenol, and their sequestered storage products, from potentially available substrates, coniferyl and p-coumaryl alcohols. At the onset, it was unknown whether significant carbon flux to monolignols vs other phenylpropanoid (acetate) pathway metabolites would be kinetically favored. Various transgenic poplar lines generated eugenol and chavicol glucosides in ca. 0.45% (~0.35 and ~0...
January 8, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28062292/use-of-carvacrol-thymol-and-eugenol-for-biofilm-eradication-and-resistance-modifying-susceptibility-of-salmonella-enterica-serovar-typhimurium-strains-to-nalidixic-acid
#7
Hanene Miladi, Tarek Zmantar, Bochra Kouidhi, Yassine Chaabouni, Kacem Mahdouani, Amina Bakhrouf, Kamel Chaieb
The Aims of the study was to evaluate the antibacterial susceptibility and the biofilm eradication of three natural compounds carvacrol (CAR), thymol (TH) and eugenol (EUG), alone or in combination with nalidixic acid (NA) against twelve Salmonella Typhimurium strains. The minimum inhibitory concentration (MIC) and the minimum biofilm eradication concentration (BEC50) of the tested compounds (CAR, TH and EUG) and their combinations with NA were evaluated. In order to assess whether these bacteria had active efflux pumps, ethidium bromide (EtBr) accumulation assays was achieved using spectrophotometric accumulation assays...
January 3, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28061030/regeneration-of-%C3%AE-carotene-from-radical-cation-by-eugenol-isoeugenol-and-clove-oil-in-the-marcus-theory-inverted-region-for-electron-transfer
#8
Hui-Ting Chang, Hong Cheng, Rui-Min Han, Peng Wang, Jian-Ping Zhang, Leif H Skibsted
Rate of regeneration of β-carotene by eugenol from the β-carotene radical cation, an initial bleaching product of β-carotene, was found by laser flash photolysis and transient absorption spectroscopy to be close to the diffusion limit in chloroform/methanol (9:1, v:v) with a second-order rate constant (k2) of 4.3×109 Lmol-1s-1. at 23 °C. Isoeugenol, more reducing with a standard reduction potential 100 mV lower than eugenol, was slower with k2 = 7.2 ×108 Lmol-1s-1. Regeneration of β-carotene following photobleaching was found 50% more efficient by eugenol, indicating that for the more reducing isoeugenol, the driving force exceeds the reorganization energy for electron transfer significantly in the Marcus theory inverted region...
January 6, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28058842/identification-and-quantitation-of-potent-odorants-in-spearmint-oils
#9
Lauren E Kelley, Keith R Cadwallader
Potent odorants in Native spearmint, Scotch spearmint, and Macho mint oils were determined by the combined use of gas chromatography-olfactometry (GCO), gas chromatography-mass spectrometry (GC-MS) and aroma extract dilution analysis (AEDA). Of the 85 odorants detected, (R)-(-)-carvone was the most potent odorant in all three spearmint oils. Additional predominant odorants in all spearmint oils included eugenol, ethyl (S)-(+)-2-methylbutanoate, (E)-β-damascenone, and (3E,5Z)-1,3,5-undecatriene. Forty-six compounds were quantitated using various methods, including 19 by gas chromatography with flame ionization detection (GC-FID), 20 by stable isotope dilution analysis (SIDA), and 14 by GCO dilution analysis...
January 6, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28058537/in-vivo-efficacy-of-a-biotherapic-and-eugenol-formulation-against-rhipicephalus-microplus
#10
Paula Pimentel Valente, Gustavo Henrique Ferreira Abreu Moreira, Matheus Ferreira Serafini, Elias Jorge Facury-Filho, Antônio Último Carvalho, André Augusto Gomes Faraco, Rachel Oliveira Castilho, Múcio Flávio Barbosa Ribeiro
The control of Rhipicephalus microplus is essential to prevent cattle discomfort and economic losses. However, increased resistance and acaricides inefficiency lead producers to adopt strategies that could result in the accumulation of chemical residues in meat and milk with possibilities of poisoning in animals and people. This scenario demonstrates the necessity of research into the identification of novel, effective and environmentally safe therapeutic options for cattle tick control. The objectives of this study were to develop and assess the efficacy of R...
January 5, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28052215/volumetric-evaluation-of-different-obturation-techniques-in-primary-teeth-using-spiral-computed-tomography
#11
N B Nagaveni, Sneha Yadav, P Poornima, Vv Subba Reddy, N M Roshan
BACKGROUND: Various obturation techniques have been evaluated for better filling of the root canals in primary teeth using different methods. Spiral Computed Tomography (SCT) is a new revolution in the pediatric endodontics for assessment of quality of the obturation from 3 dimensions. OBJECTIVES: To evaluate the efficiency of 5 different obturation methods in delivering the filling material into the canals of primary teeth using Spiral Computed Tomography scan...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28046155/anethol-cinnamaldehyde-and-eugenol-inclusion-in-feed-affects-postweaning-performance-and-feeding-behavior-of-piglets
#12
L Blavi, D Solà-Oriol, J J Mallo, J F Pérez
The early exposure of the fetus to certain volatiles may result in a further preference for these compounds later in life and could positively affect the acceptance of feed containing a similar flavor and the zootechnical responses. The study consisted of 2 trials to determine if including Fluidarom 1003 (a commercially flavored feed additive containing >25% anethol and cinnamaldehyde and >10% eugenol; Norel S.A., Madrid, Spain, Spain) in sow and postweaning piglet diets 1) provokes the presence or absence of 3 major volatile compounds (anethol, cinnamaldehyde, and eugenol) in amniotic fluid and milk, affecting piglet performance (BW, ADG, ADFI, and feed conversion ratio) after weaning, and 2) modifies creep feed consumption and feed preference in a 2-choice test...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28045317/a-retrospective-study-of-root-canal-therapy-in-non-vital-primary-molars
#13
K M Stallaert, M J Sigal, K C Titley, P B Andrews
AIM: This study was performed to assess the clinical and radiographic success rates of a formocresol and zinc oxide eugenol (ZOE) primary molar root canal therapy (RCT) technique. The effects of this treatment on the permanent successors and on exfoliation times were also investigated. MATERIALS AND METHODS: Study design: the retrospective study included 161 patients with 211 primary molars treated by RCT by a single operator in a private paediatric dental office in the Toronto area...
December 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28030577/resistance-of-aerosolized-bacterial-viruses-to-four-germicidal-products
#14
Nathalie Turgeon, Kevin Michel, Thi-Lan Ha, Enric Robine, Sylvain Moineau, Caroline Duchaine
Viral diseases can spread through a variety of routes including aerosols. Yet, limited data are available on the efficacy of aerosolized chemicals to reduce viral loads in the air. Bacteriophages (phages) are often used as surrogates for hazardous viruses in aerosol studies because they are inexpensive, easy to handle, and safe for laboratory workers. Moreover, several of these bacterial viruses display physical characteristics similar to pathogenic human and animal viruses, like morphological size, type of nucleic acids, capsid morphology, and the presence of an envelope...
2016: PloS One
https://www.readbyqxmd.com/read/28028933/yield-composition-and-antioxidant-capacity-of-the-essential-oil-of-sweet-basil-and-holy-basil-as-influenced-by-distillation-methods
#15
Santosh Shiwakoti, Osama Saleh, Shital Poudyal, Abdulssamad Barka, Yanping Qian, Valtcho D Zheljazkov
The profile and bioactivity of essential oil (EO) depends on genetic, environmental, and other factors. We hypothesized that the basil EO may be influenced by the distillation methods. Hence, a study was conducted to evaluate the effect of steam distillation (SD) and hydrodistillation (HD) extraction method on the yield, composition, and bioactivity of EO of sweet basil (Ocimum basilicum) and holy basil (Ocimum tenuiflorum). In both basil species, the EO yield (content) was significantly higher from SD than from HD...
December 28, 2016: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28013459/molecular-and-structural-changes-induced-by-essential-oil-treatments-in-vicia-faba-roots-detected-by-ftir-and-ftnir-spectroscopy
#16
Mauro Mecozzi, Elena Sturchio, Priscilla Boccia, Miriam Zanellato, Claudia Meconi, Francesco Peleggi
Essential oils have recognized antimicrobial and antifungal properties which allow their utilization in agriculture like an alternative to pesticides, but their utilization requires the knowledge of all the potential structural changes and damages produced by the interaction with the vegetal organisms. In this paper, we investigated the effects of two essential oils, the tea tree oil (TTO) and the mixture of clove and rosemary oils (C + R), on the molecular structure of Vicia faba roots by Fourier transform infrared (FTIR) and Fourier near infrared transform (FTNIR) spectroscopy...
December 24, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28009867/essential-oils-of-three-cow-parsnips-composition-and-activity-against-nosocomial-and-foodborne-pathogens-and-food-contaminants
#17
Ljuboš Ušjak, Silvana Petrović, Milica Drobac, Marina Soković, Tatjana Stanojković, Ana Ćirić, Marjan Niketić
Although some widespread, native cow parsnips (Heracleum L. spp., Apiaceae) had broad medicinal and culinary applications throughout history, the knowledge about their volatile constituents is insufficient. This work investigates the composition and bioactivities of H. sphondylium L. (HSPH), H. sibiricum L. (HSIB) and H. montanum Schleich. ex Gaudin (HMON) essential oils. The composition was tested by GC and GC-MS. (Z)-β-Ocimene was the most abundant in HSPH (28.9%) and HMON (20.4%) root oils, while in HSIB root oil, β-pinene (26...
December 23, 2016: Food & Function
https://www.readbyqxmd.com/read/28006900/phenylpropenes-occurrence-distribution-and-biosynthesis-in-fruit
#18
Ross G Atkinson
Phenylpropenes such as eugenol, chavicol, estragole and anethole contribute to the flavor and aroma of a number of important herbs and spices. They have been shown to function as floral attractants for pollinators, and to have antifungal, and antimicrobial activity. Phenylpropenes are also detected as free volatiles and sequestered glycosides in a range of economically important fresh fruit species including apple, strawberry, tomato and grape. Although they contribute a relatively small percentage of total volatiles compared with esters, aldehydes and alcohols, phenylpropenes have been shown to contribute spicy, anise- and clove-like notes to fruit...
December 23, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27992311/evaluation-of-the-antioxidant-activity-of-extracts-and-active-principles-of-commonly-consumed-indian-spices
#19
Kartick Patra, Samarjit Jana, Deba Prasad Mandal, Shamee Bhattacharjee
Accumulating evidence suggests that free radical reactions play a key part in the development of degenerative diseases and that an antioxidant-rich diet is a major defense against these free radical reactions. In this study, we explore comparative antioxidant capacities of extracts of some commonly used in Indian spices (anise, cardamom, Ceylon cinnamon, and clove) along with their purified components (anethole, eucalyptol, cinnamaldehyde, and eugenol, respectively). Eugenol shows the highest 1,1-diphenyl-2-picrylhydrazyl, hydroxyl, and superoxide scavenging and reducing power activity in terms of weight; however, this was not found when compared in terms of equivalence...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27991646/materials-for-retrograde-filling-in-root-canal-therapy
#20
REVIEW
Xiangyu Ma, Chunjie Li, Liuhe Jia, Yan Wang, Wenwen Liu, Xuedong Zhou, Trevor M Johnson, Dingming Huang
BACKGROUND: Root canal therapy is a sequence of treatments involving root canal cleaning, shaping, decontamination and obturation. It is conventionally performed through a hole drilled into the crown of the affected tooth, namely orthograde root canal therapy. For teeth that cannot be treated with orthograde root canal therapy, or for which it has failed, retrograde root filling, which seals the root canal from the root apex, is a good alternative. Many materials, such as amalgam, zinc oxide eugenol and mineral trioxide aggregate (MTA), are generally used...
17, 2016: Cochrane Database of Systematic Reviews
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