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Eugenol

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https://www.readbyqxmd.com/read/28726934/clove-extract-functions-as-a-natural-fatty-acid-synthesis-inhibitor-and-prevents-obesity-in-a-mouse-model
#1
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
#2
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
#3
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
#4
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
#5
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
https://www.readbyqxmd.com/read/28697211/comparison-of-clinical-radiographic-and-immunologic-inflammatory-parameters-around-dental-implants-with-cement-retained-and-screw-retained-restorations-a-5-year-prospective-cohort-study-in-men
#6
Mohammad D Al Amri, Abdulaziz S Al-Rasheed, Abdulaziz A Al-Kheraif, Sara A Alfadda
PURPOSE: To compare bleeding on probing (BoP), probing depth (PD; ≥ 4 mm), radiographic (peri-implant crestal bone loss [CBL]), and immunologic inflammatory (interleukin-1beta [IL-1β] and matrix metalloproteinase-9 [MMP-9]) parameters around dental implants with cement-retained (CR) and screw-retained (SR) implant-supported crowns. MATERIALS AND METHODS: Based on the mode of retention of the restoration, 51 patients were divided into two groups: Group 1, consisting of 26 single implants restored with CR crowns, and Group 2, consisting of 25 single implants restored with SR crowns...
July 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28685882/simultaneous-patch-testing-with-fragrance-mix-i-fragrance-mix-ii-and-their-ingredients-in-southern-sweden-between-2009-and-2015
#7
Martin Mowitz, Cecilia Svedman, Erik Zimerson, Marléne Isaksson, Ann Pontén, Magnus Bruze
BACKGROUND: Fragrance mix I (FM I) and fragrance mix II (FM II) are included in the European baseline series as screening substances for fragrance contact allergy. OBJECTIVES: To investigate the frequency of allergic reactions to FM I, FM II and their ingredients in consecutively patch tested patients. MATERIALS AND METHODS: A retrospective analysis of data from 4430 patients patch tested between 2009 and 2015 was performed. RESULTS: Of the patients, 6...
July 7, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28679151/non-target-evaluation-of-contaminants-in-honey-bees-and-pollen-samples-by-gas-chromatography-time-of-flight-mass-spectrometry
#8
E Hakme, A Lozano, M M Gómez-Ramos, M D Hernando, A R Fernández-Alba
This work presents a non-targeted screening approach for the detection and quantitation of contaminants in bees and pollen, collected from the same hive, by GC-EI-ToF-MS. It consists of a spectral library datasets search using a compound database followed by a manual investigation and analytical standard confirmation together with semi-quantitation purposes. Over 20% of the compounds found automatically by the library search could not be confirmed manually. This number of false positive detections was mainly a consequence of an inadequate ion ratio criterion (±30%), not considered in the automatic searching procedure...
June 20, 2017: Chemosphere
https://www.readbyqxmd.com/read/28672781/characterization-of-the-key-aroma-compounds-in-chinese-syrah-wine-by-gas-chromatography-olfactometry-mass-spectrometry-and-aroma-reconstitution-studies
#9
Pengtao Zhao, Jinxin Gao, Michael Qian, Hua Li
The key aroma compounds and the organoleptic quality of two Chinese Syrah wines from the Yunnan Shangri-La region and Ningxia Helan mountain region were characterized. The most important eighty aroma-active compounds were identified by Gas Chromatography-Olfactometry. In both Syrah samples, ethyl 2-methylpropanoate, ethyl 3-methylbutanoate, 3-methylbutyl acetate, 2- and 3-methyl-1-butanol, ethyl hexanoate, ethyl octanoate, 2-phenethyl acetate, methional, 3-methylbutanoic acid, hexanoic acid, octanoic acid, β-damascenone, guaiacol, 2-phenylethanol, trans-whiskylactone, 4-ethylguaiacol, eugenol, 4-ethylphenol, and sotolon were detected to have the highest odor intensities...
June 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28661772/phenolic-compounds-in-antimicrobial-therapy
#10
Santi M Mandal, Renata O Dias, Octavio L Franco
Long-term treatment with several conventional antibiotics can cause harmful side effects that can be alleviated by antioxidant therapy. Phenolic compounds (PCs) are the best source of antioxidants, and to identify the most suitable polyphenols for use as a supportive supplement during antibiotic therapy, this study screened a series of PCs to establish their antibacterial potential, including their biofilm and β-lactamase inhibition activity. Several PCs were tested for antibacterial activity against Staphylococcus epidermidis and Pseudomonas aeruginosa...
June 29, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28654013/in-vitro-anti-leishmanial-activity-of-essential-oils-extracted-from-vietnamese-plants
#11
Thanh Binh Le, Claire Beaufay, Duc Trong Nghiem, Marie-Paule Mingeot-Leclercq, Joëlle Quetin-Leclercq
Leishmania mexicana is one of the pathogens causing cutaneous leishmaniasis which is associated with patient morbidity. In our researches for new safe and effective treatments, thirty-seven essential oils (EOs) extracted from Vietnamese plants were screened in vitro for the first time on Leishmania mexicana mexicana(Lmm) promastigotes at the maximum concentration of 50 nL/mL. Active EOs were also analyzed for cytotoxicity on mammalian cell lines (WI38, J774) and their selectivity indices (SI) were calculated...
June 27, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28651060/mechanism-underlying-methyl-eugenol-attenuation-of-intestinal-ischemia-reperfusion-injury
#12
Hanan Saleh, Haidan M El-Shorbagy
Intestinal Ischemia/Reperfusion injury (I/R) is associated with a high risk of mortality in the clinical situation. Many factors are involved in I/R including reactive oxygen species (ROS), cytokine release and apoptosis. We aimed to determine whether a pure methyl eugenol (ME) given before intestinal ischemia, protects against intestinal I/R and the possible mechanism involved in this protection. Rat received ME (100 mg/kg) for 30 days then underwent intestinal I/R with 30 min ischemia and 60 min reperfusion...
June 26, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
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
#13
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/28626996/vortex-ultrasound-assisted-dispersive-liquid-liquid-microextraction-coupled-with-gc-ms-for-the-analysis-of-volatile-bioactive-components-and-comparative-pharmacokinetic-study-of-the-herb-herb-interactions-in-guanxin-shutong-capsule
#14
Jingqing Mu, Xun Gao, Qing Li, Xiaomei Yang, Wenling Yang, Xu Sun, Kaishun Bi, Huifen Zhang
Guanxin Shutong Capsule, an effective traditional Chinese medicine, is widely used for coronary heart disease clinically. Volatile components are one of its important bioactive constituents. To better understand the material basis for the therapeutic effects, the components of Guanxin Shutong Capsule absorbed into the blood and their metabolites were identified based on gas chromatography with mass spectrometry coupled with vortex-ultrasound-assisted dispersive liquid-liquid microextraction. As a result, three prototypes and 15 metabolites were identified or tentatively characterized in rat plasma...
June 19, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28625191/attraction-and-consumption-of-methyl-eugenol-by-male-bactrocera-umbrosa-fabricius-diptera-tephritidae-promotes-conspecific-sexual-communication-and-mating-performance
#15
S L Wee, M Z Abdul Munir, A K W Hee
The Artocarpus fruit fly, Bactrocera umbrosa (Fabricius) (Diptera: Tephritidae), is an oligophagous fruit pest infesting Moraceae fruits, including jackfruit (Artocarpus heterophyllus Lamarck), a fruit commodity of high value in Malaysia. The scarcity of fundamental biological, physiological and ecological information on this pest, particularly in relation to behavioural response to phytochemical lures, which are instrumental to the success of many area-wide fruit fly control and management programmes, underpins the need for studies on this much-underrated pest...
June 19, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28620396/identification-of-a-potential-isr-determinant-from-pseudomonas-aeruginosa-pm12-against-fusarium-wilt-in-tomato
#16
Sabin Fatima, Tehmina Anjum
Biocontrol of plant diseases through induction of systemic resistance is an environmental friendly substitute to chemicals in crop protection measures. Different biotic and abiotic elicitors can trigger the plant for induced resistance. Present study was designed to explore the potential of Pseudomonas aeruginosa PM12 in inducing systemic resistance in tomato against Fusarium wilt. Initially the bioactive compound, responsible for ISR, was separated and identified from extracellular filtrate of P. aeruginosa PM12...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28606547/self-assembled-supermolecular-hydrogel-based-on-hydroxyethyl-cellulose-formation-in-vitro-release-and-bacteriostasis-application
#17
Nan Sun, Ting Wang, Xiufeng Yan
Self-assembly of cellulose-based hydrogel is a new supermolecular architecture with potential for biomedical applications. In this study, a novel cellulose-based, supermolecular self-assembled hydrogel (gel-(β)CDP-HEC) was studied, which was based on the host-guest interaction between hydrophobic lauryl side chains grafting on hydroxyethyl cellulose (HECC12) and the cavities in poly(β-cyclodextrin) (β-CDP). The critical concentrations of HECC12 and β-CDP should be both fixed at 30mgmL(-1) by the results of dynamic viscosity, rheological property and swelling ratio...
September 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28604361/synthetic-scaffolds-with-full-pore-interconnectivity-for-bone-regeneration-prepared-by-supercritical-foaming-using-advanced-biofunctional-plasticizers
#18
Aurelio Salerno, Sara Diéguez, Luis Diaz-Gomez, Jose Luis Gomez-Amoza, Beatriz Magariños, Angel Concheiro, Concepcion Domingo, Carmen Alvarez-Lorenzo, Carlos A García-González
Supercritical foaming allows for the solvent-free processing of synthetic scaffolds for bone regeneration. However, the control on the pore interconnectivity and throat pore size with this technique still needs to be improved. The use of plasticizers may help to overcome these limitations. Eugenol, a GRAS natural compound extracted from plants, is proposed in this work as an advanced plasticizer with bioactive properties. Eugenol-containing poly(ɛ-caprolactone) (PCL) scaffolds were obtained by supercritical foaming (20...
June 12, 2017: Biofabrication
https://www.readbyqxmd.com/read/28602182/electrochemical-oxidation-mechanism-of-eugenol-on-graphene-modified-carbon-paste-electrode-and-its-analytical-application-to-pharmaceutical-analysis
#19
Gulcemal Yildiz, Zeynep Aydogmus, M Emin Cinar, Filiz Senkal, Turan Ozturk
Electrochemical properties of eugenol were investigated on a graphene modified carbon paste electrode (CPE) by using voltammetric methods, which exhibited a well-defined irreversible peak at about 0.7V vs Ag/AgCl, NaCl (3M) in Britton-Robinson buffer at pH 2.0. Mechanism of the electrochemical reaction of eugenol was studied by performing density functional theory (DFT) computations and mass spectroscopic analysis. (CPCM:water)-wB97XD/aug-cc-PVTZ//(CPCM:water)-wB97XD/6-31G(d) level calculations predicted that the formation of product P2, possessing a para-quinoid structure, is preferred rather than the product P1, suggested in the literature, having an ortho-quinoid system...
October 1, 2017: Talanta
https://www.readbyqxmd.com/read/28583242/postoperative-pain-after-root-canal-preparation-with-hand-and-rotary-files-in-primary-molar-teeth
#20
Gamze Topçuoğlu, Hüseyin Sinan Topçuoğlu, Ebru Delikan, Mustafa Aydınbelge, Salih Dogan
PURPOSE: The purpose of this study was to evaluate the intensity and duration of postoperative pain after root canal preparation of primary maxillary molar teeth using two preparation techniques. METHODS: A total of 110 patients requiring pulpectomy for asymptomatic primary molar teeth with non-vital pulps were included in the study. The patients were randomly assigned to two groups of 55 patients each, according to the canal preparation method used. In Group one, teeth were prepared up to size 35 with hand files...
May 15, 2017: Pediatric Dentistry
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