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| Registros recuperados: 74 | |
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| Marques,Delcio Dias; Sartori,Rogério Antônio; Lemos,Telma Leda Gomes; Machado,Luciana Lucas; Souza,João Sammy Nery de; Monte,Francisco José Queiroz. |
| Qualitative and quantitative analyses of the volatile constituents from resin of Protium heptaphyllum (Aubl.) Marchand subsp. ulei (Swat) Daly (PHU), and Protium heptaphyllum (Aubl.) Marchand subsp. heptaphyllum (PHH), Burseraceae were performed using GC-MS and GC-FID. The resins were collected around the city of Cruzeiro do Sul, state of Acre, Brazil. Essential oils from the two subspecies were extracted by hydrodistillation with a yield of 8.6% (PHU) and 11.3% (PHH); the main components were terpinolene (42.31%) and p-cymene (39.93%) for subspecies ulei (PHU) and heptaphyllum (PHH), respectively. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Protium heptaphyllum; Essential oils; Burseraceae; Terpinolene; P-cymene. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672010000100029 |
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| SANTOS,Alberdan S; ANDRADE,Eloisa H. A; ZOGHBI,Maria das Graças B; LUZ,Arnaldo I. R; MAIA,José G. S. |
| The essential oils from leaves and thin branches of Piper amapense, Piper ducket and Piper bartlingianum were analysed by GC/MS and all volatile compounds were identified as sesquiterpenes. The main constitutents identified in the oil of P. amapense were trans-caryophyllene (25.0%), caryophyllene oxide (17.0%) and β-selinene (15.0%). The oil of P. duckei was dominated by trans-caryophyllene (23.5%), caryophyllene oxide (18.4%), β-eudesmol (9.4%) and a-eudesmol (9.1%). The major components found in the oil of P. bartlingianum were <x-cadinol (11.2%), p-elemene (10.5%), ą-muurolol (9.4%), (E)-nerolidol (9.0%). |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Piper amapense; Piper duckei; Piper bartlingianum; Piperaceae; Essential oils; Sesquiterpenes. |
| Ano: 1998 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59671998000200127 |
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| Jaramillo-Colorado, Beatriz Eugenia; Suarez-López , Samyr; Marrugo-Santander, Vanessa. |
| The objectives of this work were the study of the volatile chemical composition of essential oils (EO’s) from Bursera graveolens obtained in the locality of Malagana, municipality of Mahates, Bolívar, Colombia, as well as to evaluate their repellent and fumigant properties. EO’s were extracted by hydro-distillation and characterized by gas chromatography-mass spectrometry (GC-MS). The major compounds found in B. graveolens were limonene (42.2%), pulegone (20.9%), carvone (7.5%), caryophyllene (4.1%), and trans-carveol (3.8%). The repellent activity of EO’s was determined by the area preference method, where the EO of B. graveolens presented repellent activity against the Tribolium castaneum weevil at a concentration of 1 at 2% and 4 hours of exposure (88.1... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gas chromatography; Bioactivity; Essential oils; Bursera graveolens; Tribolium castaneum; Terpenes.. |
| Ano: 2019 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/46822 |
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| Jaramillo-Colorado, Beatriz Eugenia; Martínez-Cáceres, Eduardo Luis; Duarte-Restrepo, Edisson. |
| The essential oil from the fresh leaves of Kyllinga pumila (Michx) was obtained by hydrodistillation and characterized by gas chromatography-mass spectrometry (GC-MS). Twenty-eight volatile compounds were identified, major constituents of the oil were Methyl E,E-10,11-epoxyfarnesoate (43.8%), β-elemene (12.5%), Z-caryophyllene (11.3%), germacrene D (7.1%) and E-caryophyllene (5.6%). Repellent and fumigant activities of the oil against Tribolium castaneum Herbst (Coleoptera: Tenebrionidae), were done using the area preference method. Additionally, we studied their antioxidant and phytotoxic effects. Essential oils exhibited a dose-dependent repellent activity, with values 90% at the applied concentration (0.01%), for both two and four hour’s exposure.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Essential oils; Repellent activity; Fumigant; Tribolium castaneum; Phytotoxic; DPPH. |
| Ano: 2016 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/32386 |
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| LEMES,RAIANE S.; ALVES,CASSIA C.F.; ESTEVAM,ELISÂNGELA B.B.; SANTIAGO,MARIANA B.; MARTINS,CARLOS H.G.; SANTOS,TAINÁ C.L. DOS; CROTTI,ANTÔNIO E.M.; MIRANDA,MAYKER L.D.. |
| ABSTRACT Tooth decay is a major public health problem which affects a large number of people in several countries. Even though more than 700 bacterial species have been detected in the oral cavity, Streptococcus and Lactobacillus stand out as the genera that cause tooth decay and other periodontal diseases. In this study, essential oils from Citrus aurantifolia leaves (CL-EO) and fruit peel (CP-EO) were obtained by hydrodistillation by a Clevenger-type apparatus whereas their chemical composition was analyzed by gas chromatography-flame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS). Limonene (77.5 %), linalool (20.1 %), citronellal (14.5 %) and citronellol (14.2 %) were the main constituents found in the essential oils from... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Citrus aurantifolia; Limonene; Cariogenic bacteria; Essential oils; Oral pathogens. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000401285 |
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| SUTILI,FERNANDO J.; CUNHA,MAURO A.; ZIECH,ROSANGELA E.; KREWER,CARINA C.; ZEPPENFELD,CARLA C.; HELDWEIN,CLARISSA G.; GRESSLER,LETICIA T.; HEINZMANN,BERTA M.; VARGAS,AGUEDA C.; BALDISSEROTTO,BERNARDO. |
| In vitro and in vivo activity of the Lippia alba essential oil (EO) against Aeromonas sp. was evaluated. In the in vitro assay the minimum inhibitory concentration (MIC) and a minimum bactericidal concentration (MBC) of EO for Aeromonas cells were determined using the microdilution method. Twenty five strains of Aeromonassp. isolated from infected fish obtained from local fish farms were used. MIC and MBC values were 2862 and 5998 µg mL-1 for L. alba EO and 0.5 and 1.2 µg mL-1for gentamicin, respectively. In the in vivo assay silver catfish juveniles (Rhamdia quelen) (7.50 ± 1.85 g and 10.0 ± 1.0 cm) with typical injuries associated to Aeromonas infection were divided into four treatments (in triplicate n=10): untreated fish (negative control), 10 mg L-1... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antibacterial activity; Essential oils; Fish; Gentamicin. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000100095 |
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| VALADARES,ANNA CAROLINA F.; ALVES,CASSIA CRISTINA F.; ALVES,JOSÉ MILTON; DE DEUS,ISABELLA P.B.; DE OLIVEIRA FILHO,JOSEMAR G.; DOS SANTOS,TAINÁ CAROLINE L.; DIAS,HERBERT JÚNIOR; CROTTI,ANTÔNIO EDUARDO M.; MIRANDA,MAYKER L.D.. |
| Abstract Even though essential oils from Piper aduncum (Piperaceae) have different biological activities, little is known about their application to agricultural areas. White mold is a plant disease caused by the phytopathogen Sclerotinia sclerotiorum, which needs to be controlled by alternative measures. This study aimed at evaluating the effect of essential oils from P. aduncum leaves (PL-EO) and inflorescences (PI-EO) on the mycelial growth of S. sclerotiorum. Essential oils from P. aduncum were obtained by hydrodistillation by a Clevenger-type apparatus while their chemical composition was analyzed by GC-MS and GC-FID. Piperitone (23.4 %), myristicin (12.4 %), terpinen-4-ol (12.3 %), β-caryophyllene (7.2 %), α-humulene (6.9 %), germacrene-D (6.9 %) and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Piper aduncum; Essential oils; Piperitone; Antifungal activity; Sclerotinia sclerotiorum. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000602691 |
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| Dadkhah,Abolfazl; Fatemi,Faezeh; Farsani,Mohsen Eslami; Roshanaei,Kambiz; Alipour,Mahdi; Aligolzadeh,Hadi. |
| This studied examined the protective role of Hypericum scabrum oils (100 and 200 mg/kg b.w, i.p) on acetaminophen-induced liver damages in the rat. The hepatic oxidative/antioxidant parameters such as lipid peroxidation (LP), glutathione (GSH), superoxide dismutase (SOD), catalase (CAT) and ferric reducing ability of plasma (FRAP) were measured 2, 4, 8, 16 and 24h after the treatments confirmed by histopathological consideration. The results indicated that increased levels of hepatic LP and FRAP and SOD activity were reversed in the rats treated with oils. In addition, the depleted GSH were compensated with the oil treatments. The protective effect of the oils was further confirmed by the histophatological examination carried out on liver biopsies. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hypericum scabrum; Essential oils; Acetaminophen; Rat; Oxidative stress; Liver. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000300005 |
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| Frizzo,Caren D.; Santos,Ana C.; Paroul,Natalia; Serafini,Luciana A.; Dellacassa,Eduardo; Lorenzo,Daniel; Moyna,Patrick. |
| The essential oils of two varieties of Camphor tree (Cinnamomum camphora Nees & Eberm, Lauraceae), known as Hon-Sho and Ho-Sho cultivated in experimental stands in Southern Brazil were studied. The essential oils were obtained from the leaves and twigs of young plants by hydrodistillation. The identification of the components was performed using GC, GC/MS and retention indexes on methyl silicone and carbowax phases. The main components identified were linalool in the Ho-Sho and camphor in the Hon-Sho. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cinnamomum camphora; Leaves; Essential oils; GC/MS; Linalool; Camphor. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132000000300011 |
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| 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<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 |
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| Paumgartten,F.J.R.; De-Carvalho,R.R.; Souza,C.A.M.; Madi,K.; Chahoud,I.. |
| ß-Myrcene (MYR) is a monoterpene found in the oils of a variety of aromatic plants including lemongrass, verbena, hop, bay, and others. MYR and essential oils containing this terpenoid compound are used in cosmetics, household products, and as flavoring food additives. This study was undertaken to investigate the effects of MYR on fertility and general reproductive performance in the rat. MYR (0, 100, 300 and 500 mg/kg) in peanut oil was given by gavage to male Wistar rats (15 per dose group) for 91 days prior to mating and during the mating period, as well as to females (45 per dose group) continuously for 21 days before mating, during mating and pregnancy, and throughout the period of lactation up to postnatal day 21. On day 21 of pregnancy one-third of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: SS-myrcene; Monoterpenes; Essential oils; Reproductive toxicity; Fertility; Embryofetal toxicity; Postnatal development. |
| Ano: 1998 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1998000700012 |
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| Moritz,Cristiane Mengue Feniman; Rall,Vera Lúcia Mores; Saeki,Margarida Júri; Fernandes Júnior,Ary. |
| The use of essential oils in foods has attracted great interest, due to their antagonistic action against pathogenic microorganisms. However, this action is undesirable for probiotic foods, as products containing Lactobacillus rhamnosus. The aim of the present study was to measure the sensitivity profile of L. rhamnosus and a yogurt starter culture in fermented milk, upon addition of increasing concentrations of cinnamon, clove and mint essential oils. Essential oils were prepared by steam distillation, and chemically characterised by gas chromatography-mass spectrometry (GC-MS) and determination of density. Survival curves were obtained from counts of L. rhamnosus and the starter culture (alone and in combination), upon addition of 0.04% essential oils.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lactobacillus rhamnosus; Starter culture; Essential oils; Fermented milk. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000300042 |
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| Garcia,Roxana; Alves,Eliomara S.S.; Santos,Mirella P.; Aquije,Glória M.F. Viégas; Fernandes,A. Alberto R.; Santos,Reginaldo B. dos; Ventura,Jose A.; Fernandes,Patricia M.B.. |
| Banana, papaya and pineapple are the most consumed tropical fruits in the world, being Brazil one of the main producers. Fungi Colletotrichum musae, Colletotrichum gloeosporioides and Fusarium subglutinans f.sp. ananas cause severe post harvest diseases and losses in fruits quality. The aim of this work was to evaluate the effectiveness of five monoterpenes to inhibit the mycelial growth and conidia germination of these three phytopathogens. The monoterpenes citral, citronellal, L-carvone, isopullegol and a-pinene were diluted in ethanol to final concentrations from 0.2 to 1%. All monoterpenes were found to inhibit the growth of the three studies fungi in a dose-dependent manner. Citral was the most effective of the oils tested and showed potent fungicidal... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biocontrol; Essential oils; Banana; Papaya; Pineapple; Plant diseases. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000100032 |
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| Radaelli,Marcela; Silva,Bárbara Parraga da; Weidlich,Luciana; Hoehne,Lucélia; Flach,Adriana; Costa,Luiz Antonio Mendonça Alves da; Ethur,Eduardo Miranda. |
| Abstract Despite recent advances in food production technology, food-borne diseases (FBD) remain a challenging public health concern. In several countries, including Brazil, Clostridium perfringens is among the five main causative agents of food-borne diseases. The present study determines antimicrobial activities of essential oils of six condiments commonly used in Brazil, viz., Ocimum basilicum L. (basil), Rosmarinus officinalis L. (rosemary), Origanum majorana L. (marjoram), Mentha × piperita L. var. Piperita (peppermint), Thymus vulgaris L. (thyme) and Pimpinella anisum L. (anise) against C. perfringens strain A. Chemical compositions of the oils were determined by GC–MS (gas chromatography–mass spectrometry). The identities of the isolated compounds... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Food-borne disease; Antimicrobial activity; Clostridium perfringens; Spices; Essential oils. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000200424 |
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| Registros recuperados: 74 | |
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