Consulta: subjectFacets:"Carvacrol"
Registros recuperados: 14
Data/hora: 13/06/2024 05:19:01

Efectos de iones y sales en la productividad y acumulación de prolina en Lippia gaveolens H.B.K.
Provedor de dados: 85
Autores: Valdés Oyervides,FJ; Rivas Morales,C; Benavides Mendoza,A; Núñez González,MA; Verde Star,J; Oranday Cárdenas,A; Robledo Torres,V.
Se investigaron cuatro condiciones de manejo para evaluar los efectos de estrés sobre la producción de biomasa, aceites esenciales, timol y carvacrol, y acumulación de prolina en Lippia graveolens H.B.K. bajo condiciones de invernadero. En un diseño bifactorial se evaluaron cuatro condiciones o ambientes (Factor B): Solución nutritiva comercial (B0); Agua (B1); estrés moderado (B2) e intermedio (B3), anidados en condiciones estresantes (Factor A): salinidad (NaCl) y concentración iónica (Cu2+) y (Fe2+). La producción de peso fresco y número de hojas fue reducida por el NaCl y las concentraciones de Cu2+ y Fe2+. Sin embargo, en el promedio de los cuatro ambientes no se observaron diferencias significativas. La cantidad de aceites esenciales fue...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Orégano; Sales; Metales; Timol; Carvacrol; Prolina.
Ano: 2012
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572012000200009

Performance and carcass yield of broilers supplemented with plant extract during the finisher phase
Provedor de dados: 89
Autores: Carlos,TCF; Barbosa,LCGS; Polycarpo,GV; Afonso,ER; Utimi,NBP; Bortolato,C; Araújo,CSS; Araújo,LF.
In this study, 600 one-day-old male Cobb 500 broilers were distributed according a completely randomized experimental design into the different dietary treatments. Broilers were fed the following dietary treatments: positive control diet (PC), containing 54 ppm zinc bacitracin; negative control diet (NC), with no inclusion of performance enhancers and 3% reduction in metabolizable energy, crude protein, and amino acid levels; PC up to 33 days and then NC, with the dietary addition of 75, 150, or 225 ppm plant extracts, until day 42 days of age. Broiler performance and carcass yield were evaluated. Data were analyzed using the Statistical Analysis System package (SAS Institute Inc., 2008), and submitted to polynomial regression analysis using the GLM...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Capsaicin; Carvacrol; Cinnamaldehyde; Poultry nutrition; Essential oils.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000400016

Performance of broiler chickens supplemented with Mexican oregano oil (Lippia berlandieri Schauer)
Provedor de dados: 96
Autores: Vázquez,Ramón Silva; Meléndez,Lorenzo Antonio Durán; Estrada,Eduardo Santellano; Rodríguez Muela,Carlos; Villalobos,Guillermo Villalobos; Zamora,Gerardo Méndez; Hume,Michael E.
The objective of this research was to evaluate the inclusion of two qualities of Mexican oregano oil (MOO) in broiler diets on broiler weight, feed intake, feed efficiency, average daily gain, and water intake. The qualities were MOO1 (4% thymol, 60% carvacrol) and MOO2 (40% thymol, 20% carvacrol). Nine treatments were prepared by the combinations of MOO1 + MOO2 (0, 400, and 800 mg kg−1; added per kg of feed) respectively: 0+0, 0+400, 0+800, 400+0, 400+400, 400+800, 800+0, 800+400, and 800+800. Eighteen chicks per treatment were divided in a completely randomized design into nine cages. Broiler weights were altered by the treatments at 21 d, when 400+400 had the highest weight, and on day 39, when the greatest weight was seen in broilers on treatments...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carvacrol; Extract; Inclusion; Thymol; Water intake.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000800283

Óleo essencial de Lippia sidoides nativas de Minas Gerais: composição, estruturas secretoras e atividade antibacteriana
Provedor de dados: 124
Autores: Guimarães,Luiz Gustavo de Lima; Cardoso,Maria das Graças; Souza,Ricardo Magela de; Zacaroni,Ana Beatriz; Santos,Gil Rodrigues dos.
Tendo em vista as diversas atividades biológicas apresentadas pelos óleos essenciais e o potencial antibacteriano do óleo essencial de Lippia sidoides Cham., objetivou-se, com este trabalho, caracterizar o óleo essencial desta espécie coletada na região sul do estado de Minas Gerais-Brasil, bem como identificar as suas estruturas secretoras e avaliar sua atividade antimicrobiana sobre as fitobactérias Clavibacter michiganensis subsp. Michiganensis, Xanthomonas vesicatoria e Pseudomonas syringae pv. tomato. As plantas foram coletadas no município de Itumirim e os óleos essenciais de suas folhas, extraídos por hidrodestilação, utilizando-se um aparelho de Clevenger modificado. O óleo essencial apresentou como constituintes majoritários o carvacrol (26,44%) e...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carvacrol; Clavibacter michiganensis; Xanthomonas vesicatoria; Pseudomonas syringae.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000200006

Effect of salt stress on the growth of Lippia gracilis Schauer and on the quality of its essential oil
Provedor de dados: 39
Autores: Ragagnin,Roberto Carlos Grillo; Albuquerque,Cynthia Cavalcanti; Oliveira,Francisco Fábio Mesquita; Santos,Ricardo Gonçalves; Gurgel,Eleneide Pinto; Diniz,Jaécio Carlos; Rocha,Simone Alves Serafim; Viana,Francisco Arnaldo.
This study evaluated the effect of salt stress on the growth of Lippia gracilis Schauer, a species native to the caatinga (shrublands) of Brazil and rich in essential oils, as well as on the quality of its oil. We exposed individuals of L. gracilis to NaCl, in the following concentrations, for a period of 40 days: 25 mM; 50 mM; 75 mM; and 100 mM. An additional group of plants was not exposed to NaCl (controls). Data were collected on days 20 and 40. We evaluated relative growth rate; shoot and root dry weight; relative water content; proline concentration in leaves; and chemical composition of the essential oil. At all concentrations, NaCl reduced the relative growth rate in comparison with that observed for the controls. No significant difference in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Alecrim-da-chapada; Carvacrol; Salt stress; Thymol.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062014000300006

Intestinal and liver morphometry of the Yellow Tail Tetra (Astyanax altiparanae) fed with oregano oil
Provedor de dados: 42
Autores: FERREIRA,POLLYANNA M.F.; CALDAS,DÉBORA W.; SALARO,ANA LÚCIA; SARTORI,SIRLENE S.R.; OLIVEIRA,JERUSA M.; CARDOSO,ALEX J.S.; ZUANON,JENER A.S.
ABSTRACT This study aimed to evaluate the effect of oregano oil on the intestinal and liver morphometry of yellow tail tetra, Astyanax altiparanae. Fish (1.46 ± 0.09 g) were kept in a 60-L aquaria, at a stocking density of 0.5 fi sh L-1. Six diets containing varying amounts of oregano oil were evaluated (0.0; 0.5; 1.0; 1.5; 2.0 and 2.5 g of oregano oil kg-1). At the end of 90 days, the fi sh were euthanised. Four intestines and four livers were collected per treatment, which were fi xed in Bouin and embedded in resin. For height and width folds, the absorption surface area and thickness of the muscular layer a positive linear effect of oregano oil was observed. A decrescent linear effect on the total number of goblet cells was also observed. For the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carvacrol; Growth promoter; Intestinal histology; Liver histology; Origanum vulgare; Thymol.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000300911

Leishmanicidal activity of carvacrol-rich essential oil from Lippia sidoides Cham
Provedor de dados: 48
Autores: Farias-Junior,Paulo A; Rios,Marcos C; Moura,Tauanny A; Almeida,Roque P; Alves,Pericles B; Blank,Arie F; Fernandes,Roberta P M; Scher,Ricardo.
Leishamaniasis is a disease that affects more than 2 million people worldwide, whose causative agent is Leishmania spp. The current therapy for leishmaniasis is far from satisfactory. All available drugs, including pentavalent antimony, require parenteral administration and are potentially toxic. Moreover, an increase in clinical resistance to these drugs has been reported. In this scenario, plant essential oils used traditionally in folk medicine are emerging as alternative sources for chemotherapeutic compounds. In this study, in vitro leishmanicidal effects of a thymol- and a carvacrol-rich essential oil from leaves of Lippia sidoides Cham. were investigated. The essential oils were extracted and their constituents were characterized by gas...
Tipo: Journal article
Palavras-chave: Carvacrol; P-cymene; Essential oil composition; Leishmania chagasi; Lippia ssp.; Thymol; Verbenaceae.
Ano: 2012
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602012000400012

Protective Effect of Carvacrol Against Oxidative Stress and Heart Injury in Cyclophosphamide-Induced Cardiotoxicity in Rat
Provedor de dados: 52
Autores: Cetik,Songul; Ayhanci,Adnan; Sahinturk,Varol.
Possible protective effects of carvacrol (Car) against cyclophosphamide (CP)-induced cardiotoxicity was examined in this study. Experimental groups of the rats were randomly divided into 13 groups,each including seven animals: Group 1 (control) treated with saline; groups 2, 3, and 4 treated with 50, 100, or 150 mg/kg of CP, respectively; group 5 treated with 0.5 mL olive oil; groups 6 and 7 treated with 5.0 and 10 mg/kg of Car, respectively; groups 8, 9, or 10 treated with respective CP plus 5.0 mg/kg of Car; and groups 11, 12, or 13 treated with respective CP plus 10 mg/kg of Car. Serum alanine transaminase (ALT),aspartat transaminase (AST), lactate dehydrogenase (LDH), malondialdehyde (MDA),creatine kinase-MB (CK-MB), total oxidant state (TOS),...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cyclophosphamide; Oxidative stress; Cardiotoxicity; Carvacrol; Antioxidant; Rat.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000400569

Antifungal treatment with carvacrol and eugenol of oral candidiasis in immunosuppressed rats
Provedor de dados: 55
Autores: Chami,N.; Chami,F.; Bennis,S.; Trouillas,J.; Remmal,A.
Carvacrol and eugenol, the main (phenolic) components of essential oils of some aromatic plants, were evaluated for their therapeutic efficacy in the treatment of experimental oral candidiasis induced by Candida albicans in immunosuppressed rats. This anticandidal activity was analyzed by microbiological and histopathological techniques, and it was compared with that of nystatin, which was used as a positive control. Microbiologically, carvacrol and eugenol significantly (p&lt;0.05) reduced the number of colony forming units (CFU) sampled from the oral cavity of rats treated for eight consecutive days, compared to untreated control rats. Treatment with nystatin gave similar results. Histologically, the untreated control animals showed numerous hyphae on...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carvacrol; Eugenol; Experimental oral candidiasis; Antifungal activity; Essential oils.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702004000300005

Comparative efficacies of Zataria multiflora essential oil and itraconazole against disseminated Candida albicans infection in BALB/c mice
Provedor de dados: 58
Autores: Khosravi,A.R.; Shokri,H.; Tootian,Z.; Alizadeh,M.; Yahyaraeyat,R.
Disseminated candidiasis is a serious problem in public health that results from the invasion of Candida species, in particular Candida albicans. The aim of this study was to compare the efficacies of Zataria multiflora essential oil and itraconazole in clearing C. albicans from the visceral organs of BALB/c mice suffered from disseminated candidiasis. Zataria multiflora essential oil was extracted using Clevenger-type apparatus and analyzed by gas chromatography mass spectrometry (GC-MS). For clearance experiment, mice (20-25 g, N=8 per group) received essential oil at doses of 30, 48 and 64 mg/kg and itraconazole at dose of 200 mg/kg intraperitoneally (IP) 2 days before and after intravenous inoculation of 0.5×10(6) C. albicans blastospores. The treated...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Zataria multiflora essential oil; Candida albicans; Disseminated candidiasis; Carvacrol.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822009000300003

Antibacterial properties and chemical characterization of the essential oils from summer savory extracted by microwave-assisted hydrodistillation
Provedor de dados: 58
Autores: Rezvanpanah,Shila; Rezaei,Karamatollah; Golmakani,Mohammad-Taghi; Razavi,Seyyed Hadi.
Antibacterial properties and chemical characterization of the essential oils from summer savory (Satureja hortensis) extracted by microwave-assisted hydrodistillation (MAHD) were compared with those of the essential oils extracted using the traditional hydrodistillation (HD) method. While MAHD at 660 W required half as much time as HD needed, similar antibacterial efficacies were found from the essential oils obtained by the two extraction methods on two food pathogens (Staphylococcus aureus, a gram positive bacterium, and Escherchia coli, a gram negative bacterium). Also, as it was the case with the essential oils extracted by HD, that of MAHD indicated greater influence on S. aureus than on E. coli. The compositions of the extracted essential oils were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carvacrol; Flavor and fragrance; Medicinal plant/herb; Pathogens; Scanning electron microscopy (SEM); Summer savory.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000400031

Antibacterial and antibiofilm activity of carvacrol against Salmonella enterica serotype Typhimurium
Provedor de dados: 60
Autores: Trevisan,Daliah Alves Coelho; Silva,Alex Fiori da; Negri,Melyssa; Abreu Filho,Benício Alves de; Machinski Junior,Miguel; Patussi,Eliana Valéria; Campanerut-Sá,Paula Aline Zanetti; Mikcha,Jane Martha Graton.
ABSTRACT The present study evaluated the antibacterial and antibiofilm activity of carvacrol against Salmonella Typhimurium. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined and the time-kill curve and scanning electron microscopy (SEM) were performed to evaluate antibacterial activity. Antibiofilm activity was evaluated by quantifying total biomass using crystal violet assay, and metabolic activity was determined using MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] assay. The action of carvacrol against preformed biofilm on polypropylene and stainless steel was also evaluated by colony counting and SEM. The MIC and MBC was 312 µg mL-1. Carvacrol at MIC and 2 x MIC eliminated cells...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carvacrol; Biofilm; Antibacterial activity; Salmonella Typhimurium.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502018000100612

Teor de óleo essencial de alecrim-pimenta em função do horário de colheita
Provedor de dados: 65
Autores: Melo,Marco Túlio Pinheiro de; Ribeiro,Juliana Martins; Meira,Messulan Rodrigues; Figueiredo,Lourdes Silva de; Martins,Ernane Ronie.
O alecrim-pimenta é uma importante planta medicinal, nativa do nordeste brasileiro, que, devido ao seu óleo essencial, apresenta grande potencial antifúngico e antibacteriano. Um dos fatores que afetam o teor de metabólitos secundários das plantas é o horário de colheita, assim, o conhecimento desse fator subsidia as decisões agronômicas da espécie, favorecendo o aumento do teor de óleo essencial no momento da colheita. Dessa forma, o objetivo do presente trabalho foi avaliar o efeito do horário de colheita na produção de óleo essencial de alecrim-pimenta (Lippia sidoides Cham.). O experimento foi desenvolvido no Instituto de Ciências Agrárias da Universidade Federal de Minas Gerais (ICA/UFMG), Montes Claros, Minas Gerais, Brasil. Utilizou-se o...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lippia sidoides Cham.; Plantas medicinais; Timol; Carvacrol; Monoterpenos.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782011000700010

Anesthetic potential of the essential oils of Lippia alba and Lippia origanoides in Tambaqui juveniles
Provedor de dados: 65
Autores: Silva,Hugo Napoleão Pereira da; Carvalho,Brenna Celina Ferreira de; Maia,Janna Laely dos Santos; Becker,Alexssandro Geferson; Baldisserotto,Bernardo; Heinzmann,Berta Maria; Mourão,Rosa Helena Veras; Silva,Lenise Vargas Flores da.
ABSTRACT:  The aim of this study was to investigate the anesthetic effect of the essential oils (EOs) of Lippia alba (citral and linalool chemotypes, EOLA-C and EOLA-L respectively) and Lippia origanoides (chemotype carvacrol, EOLO-Ca) on tambaqui (Colossoma macropomum) juveniles. The tested concentrations of the L. alba and L. origanoides EOs were: 25, 50, 100, and 200 μL/L. Time required to reach the stages of sedation, deep anesthesia, and recovery, as well as ventilatory frequency, were monitored for each EO concentration. The results indicated that all EO concentrations tested induced tambaqui anesthesia and that the ventilatory frequency was altered by the EOs. L. origanoides showed the shortest time to induce sedation and anesthesia, but had long...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anaesthesia; Carvacrol; Citral; Linalool; Ventilatory frequency.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000600402