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https://www.readbyqxmd.com/read/29894644/evaluation-of-the-selective-antibacterial-activity-of-i-eucalyptus-globulus-i-and-i-pimenta-pseudocaryophyllus-i-essential-oils-individually-and-in-combination-on-i-enterococcus-faecalis-i-and-i-lactobacillus-rhamnosus-i
#1
Carmen M S Ambrosio, Severino Matias De Alencar, Andrea Micke Moreno, Eduardo Micotti Da Gloria
Essential oils (EOs), as substitutes for antibiotics in animal diets, should have a selective antibacterial activity between pathogenic and beneficial bacteria from animal gut. Thus, this study evaluated the selective antibacterial activity of <i>E. globulus</i> (EG) and <i>P. pseudocaryophyllus</i> (PP) EOs on <i>Enterococcus faecalis</i> as surrogate model of pathogenic bacterium, and <i>Lactobacillus rhamnosus</i> as beneficial bacterium model. The EOs antibacterial activity was evaluated by minimal inhibitory concentrations (MICs), minimal bactericidal concentration (MBCs) and fractional inhibitory concentration (FIC) index determinations...
June 12, 2018: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/29747673/ethnobotanical-survey-of-plants-used-as-repellents-against-housefly-musca-domestica-l-diptera-muscidae-in-budondo-subcounty-jinja-district-uganda
#2
Kalori Baana, Harriet Angwech, Geoffrey Maxwell Malinga
BACKGROUND: The housefly, Musca domestica L., is a major public health and domestic pest that spoils food and causes irritation and is a vector of many infectious disease pathogens of medical and veterinary importance. Currently, its control relies largely on chemical pesticides. However, the adverse health and environmental effects of pesticides, risk of development of insect resistance, and bioaccumulation through the food chain emphasize the need to search for environmentally friendly alternatives...
May 10, 2018: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/29692000/phloroglucinol-derivatives-from-the-fruits-of-eucalyptus-globulus-and-their-cytotoxic-activities
#3
Thi-Anh Pham, Imran Shair Mohammad, Van-Tuan Vu, Xiao-Long Hu, Chaurasiya Birendra, Aftab Ulah, Cui Guo, Xian-Yu Lü, Wen-Cai Ye, Hao Wang
A new phloroglucinol derivative, named eucalyptin B (1), along with five related known compounds (2 - 6), was isolated from the fruits of Eucalyptus globulus. Their structures were elucidated by means of 1D- and 2D-NMR spectroscopy, with the absolute configuration of 1 determined by electronic circular dichroism (ECD) calculations. All isolated compounds (1 - 6) were evaluated for their cytotoxic activities against lung (A549), breast (4T1), and skin (B16F10) cancer cell lines. On the basis of cell viability assay, the cytotoxic activity of eucalyptin B (1) was further confirmed by apoptosis assay...
June 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29679712/evaluating-the-genotoxicity-of-cellulose-nanofibrils-in-a-co-culture-of-human-lung-epithelial-cells-and-monocyte-derived-macrophages
#4
Célia Ventura, Ana Filipa Lourenço, António Sousa-Uva, Paulo J T Ferreira, Maria João Silva
Cellulose nanofibrils (CNF) are manufactured nanofibres that hold impressive expectations in forest, food, pharmaceutical, and biomedical industries. CNF production and applications are leading to an increased human exposure and thereby it is of utmost importance to assess its safety to health. In this study, we screened the cytotoxic, immunotoxic and genotoxic effects of a CNF produced by TEMPO-mediated oxidation of an industrial bleached Eucalyptus globulus kraft pulp on a co-culture of lung epithelial alveolar (A549) cells and monocyte-derived macrophages (THP-1 cells)...
July 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29565569/invasive-species-mediate-insecticide-effects-on-community-and-ecosystem-functioning
#5
Andreia C M Rodrigues, Ana L Machado, Maria D Bordalo, Liliana Saro, Fátima C P Simão, Rui J M Rocha, Oksana Golovko, Vladimír Žlábek, Carlos Barata, Amadeu M V M Soares, João L T Pestana
Anthropogenic activities increase pesticide contamination and biological invasions in freshwater ecosystems. Understanding their combined effects on community structure and on ecosystem functioning presents challenges for an improved ecological risk assessment. This study focuses on an artificial stream mesocosms experiment testing for direct and indirect effects of insecticide (chlorantraniliprole - CAP) exposure on the structure of a benthic macroinvertebrate freshwater community and on ecosystem functioning (leaf decomposition, primary production)...
April 17, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29525653/a-real-scale-phytoremediation-of-multi-metal-contaminated-e-waste-recycling-site-with-eucalyptus-globulus-assisted-by-electrical-fields
#6
Jie Luo, Jian Wu, Siyuan Huo, Shihua Qi, Xiaowen Sophie Gu
The combined utilization of direct or alternating electric fields and phytoremediation was designed to decontaminate multi-metal polluted soil at a field scale e-waste recycling impacted site. Eucalyptus globulus was chosen for metal purification for its resilient and unpalatable nature. Biomass production, metal concentration and water use efficiency of the species under direct current (DC) and alternating current (AC) fields with various voltages were investigated. DC and AC fields stimulated the growth of the plant, except for DC field with high voltage (10 V)...
June 2018: Chemosphere
https://www.readbyqxmd.com/read/29523839/annotation-of-the-corymbia-terpene-synthase-gene-family-shows-broad-conservation-but-dynamic-evolution-of-physical-clusters-relative-to-eucalyptus
#7
Jakob B Butler, Jules S Freeman, Brad M Potts, René E Vaillancourt, Dario Grattapaglia, Orzenil B Silva-Junior, Blake A Simmons, Adam L Healey, Jeremy Schmutz, Kerrie W Barry, David J Lee, Robert J Henry, Graham J King, Abdul Baten, Mervyn Shepherd
Terpenes are economically and ecologically important phytochemicals. Their synthesis is controlled by the terpene synthase (TPS) gene family, which is highly diversified throughout the plant kingdom. The plant family Myrtaceae are characterised by especially high terpene concentrations, and considerable variation in terpene profiles. Many Myrtaceae are grown commercially for terpene products including the eucalypts Corymbia and Eucalyptus. Eucalyptus grandis has the largest TPS gene family of plants currently sequenced, which is largely conserved in the closely related E...
March 10, 2018: Heredity
https://www.readbyqxmd.com/read/29522803/assessment-of-the-antibiofilm-and-antiquorum-sensing-activities-of-eucalyptus-globulus-essential-oil-and-its-main-component-1-8-cineole-against-methicillin-resistant-staphylococcus-aureus-strains
#8
Abderrahmen Merghni, Emira Noumi, Ons Hadded, Neyla Dridi, Harsh Panwar, Ozgur Ceylan, Maha Mastouri, Mejdi Snoussi
Antibacterial resistance is an increasingly serious threat to global public health. The search for new anti-infection agents from natural resources, with different mode of actions and competitive effects became a necessity. In this study, twenty height methicillin-resistant Staphylococcus aureus (MRSA) strains were investigated for their biofilm formation ability. Subsequently, the antibiofilm effects of Eucalyptus globulus essential oil and its main component 1,8-cineole, against MRSA, as well as their antiquorum sensing potential, were evaluated...
March 6, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29503478/fungal-planet-description-sheets-625-715
#9
P W Crous, M J Wingfield, T I Burgess, A J Carnegie, G E St J Hardy, D Smith, B A Summerell, J F Cano-Lira, J Guarro, J Houbraken, L Lombard, M P Martín, M Sandoval-Denis, A V Alexandrova, C W Barnes, I G Baseia, J D P Bezerra, V Guarnaccia, T W May, M Hernández-Restrepo, A M Stchigel, A N Miller, M E Ordoñez, V P Abreu, T Accioly, C Agnello, A Agustin Colmán, C C Albuquerque, D S Alfredo, P Alvarado, G R Araújo-Magalhães, S Arauzo, T Atkinson, A Barili, R W Barreto, J L Bezerra, T S Cabral, F Camello Rodríguez, R H S F Cruz, P P Daniëls, B D B da Silva, D A C de Almeida, A A de Carvalho Júnior, C A Decock, L Delgat, S Denman, R A Dimitrov, J Edwards, A G Fedosova, R J Ferreira, A L Firmino, J A Flores, D García, J Gené, A Giraldo, J S Góis, A A M Gomes, C M Gonçalves, D E Gouliamova, M Groenewald, B V Guéorguiev, M Guevara-Suarez, L F P Gusmão, K Hosaka, V Hubka, S M Huhndorf, M Jadan, Ž Jurjević, B Kraak, V Kučera, T K A Kumar, I Kušan, S R Lacerda, S Lamlertthon, W S Lisboa, M Loizides, J J Luangsa-Ard, P Lysková, W P Mac Cormack, D M Macedo, A R Machado, E F Malysheva, P Marinho, N Matočec, M Meijer, A Mešić, S Mongkolsamrit, K A Moreira, O V Morozova, K U Nair, N Nakamura, W Noisripoom, I Olariaga, R J V Oliveira, L M Paiva, P Pawar, O L Pereira, S W Peterson, M Prieto, E Rodríguez-Andrade, C Rojo De Blas, M Roy, E S Santos, R Sharma, G A Silva, C M Souza-Motta, Y Takeuchi-Kaneko, C Tanaka, A Thakur, M Th Smith, Z Tkalčec, N Valenzuela-Lopez, P van der Kleij, A Verbeken, M G Viana, X W Wang, J Z Groenewald
Novel species of fungi described in this study include those from various countries as follows: Antarctica : Cadophora antarctica from soil. Australia : Alfaria dandenongensis on Cyperaceae , Amphosoma persooniae on Persoonia sp., Anungitea nullicana on Eucalyptus sp . , Bagadiella eucalypti on Eucalyptus globulus , Castanediella eucalyptigena on Eucalyptus sp., Cercospora dianellicola on Dianella sp., Cladoriella kinglakensis on Eucalyptus regnans , Cladoriella xanthorrhoeae (incl. Cladoriellaceae fam. nov...
December 2017: Persoonia
https://www.readbyqxmd.com/read/29502818/herbal-distillates-a-new-era-of-grape-marc-distillates-with-enriched-antioxidant-profile
#10
Vasiliki Andreou, Irini F Strati, Charalambos Fotakis, Maria Liouni, Panagiotis Zoumpoulakis, Vassilia J Sinanoglou
Grape marc distillates are traditional alcoholic beverages, produced mostly in the Mediterranean countries. The present study proposes the enrichment of a Greek traditional grape marc distillate (tsikoudia) with selected herbs to enhance its natural antioxidants and functional properties. Total phenolic content, the antiradical and antioxidant activities, as well as the phenolic and sugar profiles using NMR and FT-IR spectroscopy were evaluated. The enrichment of distillates with Syzygium aromaticum L., Jasminum officinale L...
July 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29464495/targeting-oxidative-stress-acetylcholinesterase-proinflammatory-cytokine-dopamine-and-gaba-by-eucalyptus-oil-eucalyptus-globulus-to-alleviate-ketamine-induced-psychosis-in-rats
#11
Monu Yadav, Deepak Kumar Jindal, Milind Parle, Anil Kumar, Sameer Dhingra
Essential oil of eucalyptus species is among the most common traded essential oils in the world. There is an increasing interest in the application of eucalyptus oil as a natural additive in food and pharmaceutical industry. The present study was undertaken to identify the phytoconstituents present in the essential oil of Eucalyptus globulus leaves (EO) and ascertain their protective effect against ketamine-induced psychosis in rats. GC-MS technique was used for analysis of phytoconstituents present in EO. Ketamine (50 mg/kg, i...
February 20, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/29438430/unravelling-the-bioherbicide-potential-of-eucalyptus-globulus-labill-biochemistry-and-effects-of-its-aqueous-extract
#12
Carolina G Puig, Manuel J Reigosa, Patrícia Valentão, Paula B Andrade, Nuria Pedrol
In the worldwide search for new strategies in sustainable weed management, the use of plant species able to produce and release phytotoxic compounds into the environment could be an effective alternative to synthetic herbicides. Eucalyptus globulus Labill. is known to be a source of biologically active compounds responsible for its phytotoxic and allelopathic properties. Our previous results demonstrated the bioherbicide potential of eucalyptus leaves incorporated into the soil as a green manure, probably through the release of phytotoxins into the soil solution...
2018: PloS One
https://www.readbyqxmd.com/read/29433388/eucalyptus-globulus-inhibits-inflammasome-activated-pro-inflammatory-responses-and-ameliorate-monosodium-urate-induced-peritonitis-in-murine-experimental-model
#13
Young-Eun Ji, Xiao Sun, Myong-Ki Kim, Wan Yi Li, Sang Woo Lee, Sushruta Koppula, Sang-Hyeun Yu, Han-Bi Kim, Tae-Bong Kang, Kwang-Ho Lee
Eucalyptus globulus Labill. (E. globulus, Myrtaceae) is used in Europe as a traditional folk remedy for inflammation-related disorders such as arthritis, diabetes, asthma, and gout. We investigated this study to evaluate the protective effects of E. globulus extract (EG) on inflammatory responses, and provide scientific and mechanistic evidence in in vitro and in vivo experimental models. LPS-stimulated murine bone marrow-derived macrophages (BMDMs) were used to study the regulatory effect of EG on inflammasome activation in vitro...
2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29417481/effect-of-planting-density-and-harvest-protocol-on-field-scale-phytoremediation-efficiency-by-eucalyptus-globulus
#14
Jie Luo, Mei He, Shihua Qi, Jian Wu, Xiaowen Sophie Gu
The phytoremediation efficiency of multi-metal-polluted sites in an electronic waste recycling town by Eucalyptus globulus was evaluated through a series of 2-year field experiments. Different initial planting densities (2500, 5000, and 10,000 plants per ha), coppice rotations, and harvesting position (5 or 30 cm above the ground) protocols were designed to improve the remediation potential of the species. There were unnoticeable variations in metal concentrations and distribution characteristics in plant tissues in a low and medium planting-density field during the experimental period...
February 7, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29415572/three-dimensional-typological-studies-using-scanning-electron-microscopy-for-characterization-of-termitomyces-pellets-obtained-from-submerged-growth-conditions
#15
R A de Souza, N M Kamat
There are gaps in existing understanding of fungal pellet growth dynamics. We used scanning electron microscopy (SEM) for morphological characterization of the biomass organization of Termitomyces pellets for seven species: T. microcarpus (TMI1), T. albuminosus (TAL1, TAL2), T. striatus (TSTR), T. aurantiacus (TAUR), T. heimii (THE1, THE2), T. globulus (TGLO) and T. clypeatus (TCL1, TCL2, TCL3, TCL4, TCL5). We assessed the utility of SEM for morphological and structural characterization of Termitomyces spp...
February 8, 2018: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29405759/chemical-composition-antioxidant-and-antibacterial-activity-of-bunium-persicum-eucalyptus-globulus-and-rose-water-on-multidrug-resistant-listeria-species
#16
Farhad Sharafati Chaleshtori, Mohamad Saholi, Reza Sharafati Chaleshtori
This research was aimed at investigating the antioxidant and antibacterial activity of Bunium persicum, Eucalyptus globulus, and rose water on multidrug-resistant Listeria species. The antibiotic resistance of Listeria spp obtained from seafood samples were determined by the Kirby-Bauer method. The antioxidant and antibacterial activity of the essential oils and extracts were evaluated using ferric reducing antioxidant power and microdilution methods, respectively. A total 2 samples (1.88%) were positive for Listeria spp...
January 2018: Journal of evidence-based integrative medicine
https://www.readbyqxmd.com/read/29345423/deep-eutectic-solvent-aqueous-solutions-as-efficient-media-for-the-solubilization-of-hardwood-xylans
#17
Eduarda S Morais, Patrícia V Mendonça, Jorge F J Coelho, Mara G Freire, Carmen S R Freire, João A P Coutinho, Armando J D Silvestre
This work contributes to the development of integrated lignocellulosic-based biorefineries by the pioneering exploitation of hardwood xylans by solubilization and extraction in deep eutectic solvents (DES). DES formed by choline chloride and urea or acetic acid were initially evaluated as solvents for commercial xylan as a model compound. The effects of temperature, molar ratio, and concentration of the DES aqueous solutions were evaluated and optimized by using a response surface methodology. The results obtained demonstrated the potential of these solvents, with 328...
January 18, 2018: ChemSusChem
https://www.readbyqxmd.com/read/29277050/combining-autohydrolysis-and-ionic-liquid-microwave-treatment-to-enhance-enzymatic-hydrolysis-of-eucalyptus-globulus-wood
#18
Victoria Rigual, Tamara M Santos, Juan Carlos Domínguez, M Virginia Alonso, Mercedes Oliet, Francisco Rodriguez
The combination of autohydrolysis and ionic liquid microwave treatments of eucalyptus wood have been studied to facilitate sugar production in a subsequent enzymatic hydrolysis step. Three autohydrolysis conditions (150 °C, 175 °C and 200 °C) in combination with two ionic liquid temperatures (80 °C and 120 °C) were compared in terms of chemical composition, enzymatic digestibility and sugar production. Morphology was measured (using SEM) and the biomass surface was visualized with confocal fluorescence microscopy...
March 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29241117/influence-of-direct-and-alternating-current-electric-fields-on-efficiency-promotion-and-leaching-risk-alleviation-of-chelator-assisted-phytoremediation
#19
Jie Luo, Limei Cai, Shihua Qi, Jian Wu, Xiaowen Sophie Gu
Direct and alternating current electric fields with various voltages were used to improve the decontamination efficiency of chelator assisted phytoremediation for multi-metal polluted soil. The alleviation effect of electric field on leaching risk caused by chelator application during phytoremediation process was also evaluated. Biomass yield, pollutant uptake and metal leaching retardation under alternating current (AC) and direct current (DC) electric fields were compared. The biomass yield of Eucalyptus globulus under AC fields with various voltages (2, 4 and 10 V) were 3...
March 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29197060/repellency-potential-of-essential-oils-against-housefly-musca-domestica-l
#20
Nitin Chauhan, Anushree Malik, Satyawati Sharma
In present study, the essential oils such as Mentha piperita (mentha oil, M.O), Cymbopogan citratus (lemongrass oil, LG.O), Citrus sinensis (orange oil, O.O), and Eucalyptus globulus (eucalyptus oil, E.O) were evaluated for repellency against housefly (Musca domestica) in a specially designed chamber. Further, to study any synergistic effect, essential oil combinations, i.e., M.O + LG.O, M.O + O.O, and M.O + E.O, were screened at 50:50 and 70:30 ratios. The results showed superior repellency of mentha and mentha + lemongrass (70:30) with RC95 value of 0...
February 2018: Environmental Science and Pollution Research International
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