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Eugenol

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https://www.readbyqxmd.com/read/28804441/comparison-study-on-antioxidant-dna-damage-protective-and-antibacterial-activities-of-eugenol-and-isoeugenol-against-several-foodborne-pathogens
#1
Liang-Liang Zhang, Li-Fang Zhang, Jian-Guo Xu, Qing-Ping Hu
Eugenol and its isomer isoeugenol are both used as flavouring agents or food additives in food products, and have both some similar biological properties. However, the difference in biological activities between eugenol and isoeugenol is rarely studied. In this study, the profiles of antioxidant, DNA-protective effects and antibacterial activities of eugenol and isoeugenol against several common foodborne pathogens were investigated and compared under various experiment conditions. Results showed that eugenol and isoeugenol had strong antioxidant activity, the protective effect against DNA damage and antibacterial activity...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28802239/synergistic-antinociceptive-interaction-of-syzygium-aromaticum-or-rosmarinus-officinalis-coadministered-with-ketorolac-in-rats
#2
Karla Lyzet Beltrán-Villalobos, Myrna Déciga-Campos, Hidemi Aguilar-Mariscal, María Eva González-Trujano, María Fernanda Martínez-Salazar, María de Los Ángeles Ramírez-Cisneros, María Yolanda Rios, Francisco Javier López-Muñoz
Syzygium aromaticum (L.) Merr. & L.M. Perry (Mirtaceae) and Rosmarinus officinalis L. (Lamiaceae) are both medicinal plants used for centuries to alleviate pain. The aim of the study was to demonstrate the therapeutic potential utility of herb-drug association of S. aromaticum essential oil or R. officinalis ethanolic extract coadministered with ketorolac. Antinociceptive pharmacological interaction was investigated by an isbolographic study using the formalin test in rats. Both alone and in combination with ketorolac; S...
August 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28795522/assessment-of-carvacrol-for-control-of-avian-aspergillosis-in-intratracheally-challenged-chickens-in-comparison-to-voriconazole-with-a-reference-on-economic-impact
#3
Y H Tartor, F A M Hassan
AIM: This study was designed to investigate the efficacy of essential oils (EOs) as an alternative prophylaxis and treatment for avian aspergillosis. METHODS AND RESULTS: The in vitro susceptibility of A. fumigatus strains to antifungal drugs and carvacrol, thymol, eugenol, thymoquinone and cinnamon was determined using the macro-diffusion and microdilution methods. Carvacrol has antifungal activity in comparison to voriconazole (VCZ) (MIC 0.5, 0.25μg/ml, respectively)...
August 9, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28792229/eugenol-exhibits-anti-virulence-properties-by-competitively-binding-to-quorum-sensing-receptors
#4
Prasanth Rathinam, H S Vijay Kumar, Pragasam Viswanathan
The primary objective of this study was to ascertain the anti-biofilm and anti-virulence properties of sub-minimum inhibitory concentration (MIC) levels of eugenol against the standard strain PAO1 and two multi-drug resistant P. aeruginosa clinical isolates utilizing quorum sensing inhibition (QSI). Eugenol at 400 μM significantly reduced biofilm formation on urinary catheters and the virulence factors (VF) including extracellular polysaccharides, rhamnolipid, elastase, protease, pyocyanin, and pyoverdine (p < 0...
August 9, 2017: Biofouling
https://www.readbyqxmd.com/read/28791049/effectiveness-of-liquid-liquid-extraction-solid-phase-extraction-and-headspace-technique-for-determination-of-some-volatile-water-soluble-compounds-of-rose-aromatic-water
#5
Hale Seçilmiş Canbay
Steam distillation is used to isolate scent of rose flowers. Rose aromatic water is commonly used in European cuisine and aromatherapy besides its use in cosmetic industry for its lovely scent. In this study, three different sampling techniques, liquid-liquid extraction (LLE), headspace technique (HS), and solid phase extraction (SPE), were compared for the analysis of volatile water-soluble compounds in commercial rose aromatic water. Some volatile water-soluble compounds of rose aromatic water were also analyzed by gas chromatography mass spectrometry (GCMS)...
2017: International Journal of Analytical Chemistry
https://www.readbyqxmd.com/read/28782167/plants-of-the-melaleuca-genus-as-antimicrobial-agents-from-farm-to-pharmacy
#6
REVIEW
Javad Sharifi-Rad, Bahare Salehi, Elena Maria Varoni, Farukh Sharopov, Zubaida Yousaf, Seyed Abdulmajid Ayatollahi, Farzad Kobarfard, Mehdi Sharifi-Rad, Mohammad Hossain Afdjei, Majid Sharifi-Rad, Marcello Iriti
Plants belonging to Melaleuca genus (Myrtaceae family) are native to Oceania, where they have been used for ages by Aborigine people in Australian traditional medicine, mainly because of their broad-spectrum antimicrobial activity. Although, M. linariifolia, M. dissitiflora, and other species of Melaleuca can also be used, the tea tree oil, an essential oil obtained from M. alternifolia shows the longest history of medicinal uses. Tea tree oil contains for the 80-90% several monoterpenes (terpinen-4-ol, α-terpinene, 1,8-cineol, p-cymene, α-terpineol, α-pinene, terpinolene, limonene, and sabinene)...
August 7, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28781710/mechanochemical-synthesis-of-graphene-oxide-supported-transition-metal-catalysts-for-the-oxidation-of-isoeugenol-to-vanillin
#7
Ana Franco, Sudipta De, Alina M Balu, Araceli Garcia, Rafael Luque
Vanillin is one of the most commonly used natural products, which can also be produced from lignin-derived feedstocks. The chemical synthesis of vanillin is well-established in large-scale production from petrochemical-based starting materials. To overcome this problem, lignin-derived monomers (such as eugenol, isoeugenol, ferulic acid etc.) have been effectively used in the past few years. However, selective and efficient production of vanillin from these feedstocks still remains an issue to replace the existing process...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28780718/clinical-and-radiographic-comparison-of-biodentine-mineral-trioxide-aggregate-and-formocresol-as-pulpotomy-agents-in-primary-molars
#8
P Juneja, S Kulkarni
AIM: To compare the clinical and radiographic success rates of three different pulpotomy agents in primary molars after 18 months. METHODS: The study was carried out with 51 primary molars of children aged 5-9 years old. The teeth were randomly assigned to the experimental or control groups. After coronal pulp removal and haemostasis, the remaining pulp tissue was covered with Biodentine(®) or mineral trioxide aggregate in the experimental groups. In the control group, formocresol was placed with a cotton pellet over the pulp tissue for 5 min and after removal the pulp tissue was covered with zinc oxide-eugenol (ZOE) paste...
August 5, 2017: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28764296/stereomicroscopic-dye-leakage-measurement-of-six-different-root-canal-sealers
#9
Srinidhi V Ballullaya, Vusurumarthi Vinay, Jayaprakash Thumu, Srihari Devalla, Indira Priyadarshini Bollu, Sagarika Balla
INTRODUCTION: Hermetic sealing of the root canal is the most desirable outcome of any root canal treatment, but almost always the filling of the root canal is defective, which is a multifactorial outcome. One such factor majorly influencing the obturation is the root canal sealer used. AIM: The present study was done for evaluating microleakage in different root canal sealers. MATERIALS AND METHODS: Sixty extracted human single rooted teeeth were used in this in-vitro study...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28763946/synthesis-and-in-vitro-evaluation-of-peracetyl-and-deacetyl-glycosides-of-eugenol-isoeugenol-and-dihydroeugenol-acting-against-food-contaminating-bacteria
#10
Déborah Braga Resende, Heloísa Helena de Abreu Martins, Thiago Belarmino de Souza, Diogo Teixeira Carvalho, Roberta Hilsdorf Piccoli, Rosane Freitas Schwan, Disney Ribeiro Dias
Essential oils, as well as their separate components, have shown promise as alternatives to synthetic preservatives. Therefore, it would be interesting to optimize the effect of these compounds and to evaluate their applicability as additives in food. To this end, six peracetyl and deacetyl glycosides were synthesized from eugenol, isoeugenol and dihydroeugenol. All of the glycosides were characterized by IR and NMR. The synthesized compounds and their aglycones were evaluated to determine their minimal bactericidal concentrations (MBC) against the spoilage food bacteria Escherichia coli, Listeria monocytogenes, Staphylococcus aureus and Salmonella enteritidis...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28762351/volumetric-evaluation-of-various-obturation-techniques-in-primary-teeth-using-cone-beam-computed-tomography-an-in-vitro-study
#11
N B Nagaveni, Sneha Yadav, P Poornima, K P Bharath, Mebin George Mathew, P G Naveen Kumar
AIM: The aim of this study was to compare and evaluate the efficiency of five different obturation methods in delivering the filling material into the canals of primary teeth using cone beam computerized tomography (CBCT) scan. METHOD: A total of fifty prepared canals of primary teeth which further divided into five groups with ten canals in each group were obturated with zinc oxide-eugenol cement using five different obturation methods such as endodontic plugger, lentulo spiral (handheld), lentulo spiral mounted on slow speed handpiece, local anesthetic syringe, and tuberculin syringe...
July 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28749029/ecotype-variation-of-methyl-eugenol-content-in-tea-tree-melaleuca-alternifolia-and-m-linariifolia
#12
Mervyn Shepherd, Dale Savins, Ashley Dowell, Samantha Morrow, Gareth Allen, Ian Southwell
Methyl eugenol is a natural phenylpropanoid compound found in a wide range of plants used for food, flavouring, cosmetics and health-care. As a suspected rodent carcinogen, methyl eugenol may also be harmful to humans when present in significant concentrations. Consequently, its level has been restricted in some foodstuffs and cosmetics for some markets. In order to assess the potential to breed uniformly low methyl eugenol cultivars for an essential oil crop, tea tree, the source of "Oil of Melaleuca, terpinene-4-ol type", we examine levels in individual trees (n= 30) from two geographic regions and six terpene chemotypes...
July 27, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28733207/uplc-q-tof-ms-based-urine-and-plasma-metabonomics-study-on-the-ameliorative-effects-of-aspirin-eugenol-ester-in-hyperlipidemia-rats
#13
Ning Ma, Xi-Wang Liu, Xiao-Jun Kong, Zhe Qin, Shi-Hong Li, Zeng-Hua Jiao, Peng-Cheng Dong, Ya-Jun Yang, Jian-Yong Li
The main objective of this study was to investigate the ameliorative effects of aspirin eugenol ester (AEE) in hyperlipidemic rat. After five-week oral administration of AEE in high fat diet (HFD)-induced hyperlipidemic rats, the impact of AEE on plasma and urine metabonomics was investigated to explore the underlying mechanism by UPLC-Q-TOF/MS analysis. Blood lipid levels and histopathological changes of liver, stomach and duodenum were also evaluated after AEE treatment. Without obvious gastrointestinal (GI) side effects, AEE significantly relieved fatty degeneration of liver and reduced triglyceride (TG), low density lipoprotein (LDL) and total cholesterol (TCH) (P<0...
July 18, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28729801/evaluation-of-dimensional-accuracy-for-different-complete-edentulous-impressions-immersed-in-different-disinfectant-solutions
#14
Hussein Abdelfattah Ismail, Hamada Z Mahross, Suaad Shikho
OBJECTIVE: The aim of this study was to evaluate the effects of two different disinfectant solutions' immersion on the dimensional accuracy of different complete edentulous impressions. MATERIALS AND METHODS: A specific custom-made metallic cast template was constructed and used for making both 120 alginate and zinc oxide eugenol (ZOE) paste impressions (60 for each). Disinfectants with 1% sodium hypochlorite and 2% glutaraldehyde were used for 10 and 60 min immersion of both impressions...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28729783/cytotoxic-evaluation-of-a-new-ceramic-based-root-canal-sealer-on-human-fibroblasts
#15
Sandra Chakar, Sylvie Changotade, Nada Osta, Issam Khalil
OBJECTIVES: The purpose of this study was to evaluate the cytotoxicity of a new bioceramic-based root canal sealer (BioMM) by direct and indirect contact with human fibroblasts and to compare it with a zinc oxide-eugenol sealer, the Pulp Canal Sealer-extended working time (PCS-EWT). MATERIALS AND METHODS: Cell viability was assessed through direct and indirect contact between human fibroblasts and sealer. Direct contact was performed at 24 h, whereas the indirect contact was performed at 24 and 48 h at different concentrations: 100%, 50%, and 25%...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28726934/clove-extract-functions-as-a-natural-fatty-acid-synthesis-inhibitor-and-prevents-obesity-in-a-mouse-model
#16
Yiran Ding, Zhennan Gu, Yihe Wang, Shunhe Wang, Haiqin Chen, Hao Zhang, Wei Chen, Yong Q Chen
Numerous medicinal plants have been reported to prevent various chronic diseases. In this study, we screened a new FASN inhibitor-alcohol extract of clove (AEC) using a fast microplate method developed in our laboratory. The major components of AEC were: eugenol (42.27%), acetyl eugenol (29.12%), caryophyllene (15.40%), and humulene (3.22%). Fatty acid synthase (FASN) is a key enzyme for de novo lipogenesis, and it has been suggested as a potential therapeutic target in cancer and obesity. We have tested the ability of AEC to inhibit FASN in mammalian cells and tissues...
July 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28726757/characterization-of-essential-oil-composition-in-different-basil-species-and-pot-cultures-by-a-gc-ms-method
#17
Andrea Muráriková, Anton Ťažký, Jarmila Neugebauerová, Alexandra Planková, Josef Jampílek, Pavel Mučaji, Peter Mikuš
Basil (Ocimum L.) species are used as medicinal plants due to their essential oils exhibiting specific biological activity. The present work demonstrated that both the variety and season/conditions of cultivation had a significant effect on (i) the produced amount (extraction yield), (ii) qualitative, as well as (iii) quantitative profile of basil essential oil. Among studied basil varieties, a new variety, 'Mánes', was characterized for the first time. Based on our quantitative evaluation of GC-MS profiles, the following chemotypes and average concentrations of a main component were detected in the studied basil varieties: 'Ohře', 'Lettuce Leaf', 'Purple Opaal', 'Dark Green' (linalool, 5...
July 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28720944/evaluation-of-the-chemical-composition-antioxidant-and-anti-inflammatory-activities-of-distillate-and-residue-fractions-of-sweet-basil-essential-oil
#18
Hailong Li, Yanhui Ge, Zhimin Luo, Yulan Zhou, Xuguang Zhang, Junqing Zhang, Qiang Fu
In this study, the chemical composition and antioxidant and anti-inflammatory activities of sweet basil (Ocimum basilicum L. Lamiaceae family) were evaluated. Sweet basil is a food-related plant that is widely used in traditional Chinese medicine. Sweet basil crude oil was processed via molecular distillation and further characterized using gas chromatography-mass spectrometry (GC-MS) to screen for new compounds. The GC-MS analysis identified thirty-eight compounds. The major constituents of the residue fraction were estragole (17...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28706198/inhibitory-effect-of-eugenol-on-seed-germination-and-pre-harvest-sprouting-of-hybrid-rice-oryza-sativa-l
#19
Qijuan Hu, Cheng Lin, Yajing Guan, Mohamed Salah Sheteiwy, Weimin Hu, Jin Hu
Pre-harvest sprouting (PHS) is a constrain problem in hybrid rice production. The present study was conducted to investigate the inhibitory effect of eugenol on seed germination and PHS of hybrid rice variety (Qian You 1). The results showed that seed germination speed and the activities of α-amylase were inhibited by eugenol pre-soaking and these effects enhanced with the increasing of eugenol concentrations; while seedling growth was not negatively affected. In field trials, eugenol application caused a significant decline in PHS as compared with control, whereas no sustained inhibition in post-harvested seed germination was observed...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698512/eco-friendly-acaricidal-effects-of-nylon-66-nanofibers-via-grafted-clove-bud-oil-loaded-capsules-on-house-dust-mites
#20
Joo Ran Kim, Seong Hun Kim
Acaricidal nylon 66 fabrics (AN66Fs) grafted with clove oil-loaded microcapsules (COMCs) were developed against Dermatophagoides farina (D. gallinae). The average diameter was about 2.9 µm with a range of 100 nm-8.5 µm. COMCs carried clove oil loading of about 65 vol %. COMCs were chemically grafted to electrospun nylon nanofibers by the chemical reactions between -OH groups of COMCs and -COOH end groups of nylon fabrics to form ester linkages. AN66Fs had an effect on D. farinae depending on COMCs loadings...
July 10, 2017: Nanomaterials
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