|
|
|
| Registros recuperados: 114 | |
|
| |
|
| |
|
|
| Souza,Nadábia Almeida B; Lima,Edeltrudes de Oliveira; Guedes,Diego Nunes; Pereira,Fillipe de Oliveira; Souza,Evandro Leite de; Sousa,Frederico Barbosa de. |
| This study aimed to assess the efficacy of O. vulgare L. and O. majorana L. essential oil in inhibiting the growth and survival of potentially pathogenic fungal strains and also sought to evaluate the possible mechanisms involved in the establishment of the antifungal property of the tested essential oils through assays of osmotic stability and morphogenesis. Test strains included in this study were Candida albicans ATCC 7645, C. tropicalis LM-14, C. krusei LM-09, Cryptococcus neoformans FGF-5, Aspergillus flavus LM-02, A. fumigatus IPP-21, T. rubrum ATCC 28184, T. mentagrophytes LM-64, Microsporum gypseum ATCC 184, M. canis LM-36 and Cladosporium herbarium ATCC 26362. O. vulgare essential oil presented a MIC value of 80 µL/mL, while for O. majorana this... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Essential oil; Pathogen fungi; Origanum sp/antifungal property. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502010000300013 |
| |
|
|
| Gatto,Larissa Junqueira; Fabri,Natasha Tiemi; Souza,Angela Maria de; Fonseca,Natasha Stopinski Triaquim da; Furusho,Alethéia dos Santos; Miguel,Obdulio Gomes; Dias,Josiane de Fatima Gaspari; Zanin,Sandra Maria Warumby; Miguel,Marilis Dallarmi. |
| Myrcia hatschbachii D. Legrand (Myrtaceae) is a native and endemic species from Brazil. This study investigated the essential oil composition, phytotoxic potential, in vitro toxicity, antioxidant properties and antibacterial activity of species. Chromatographic analysis of essential oil identified trans-calamanene, (E)-caryophyllene and spathulenol as major components. Antioxidant capacity was determined by the DPPH• scavenging method and phosphomolybdenum complex formation assay. Antibacterial activity was evaluated using the Minimal Inhibitory Concentration test, demonstrating that the essential oil was active toward Enterococcus faecalis and Staphylococcus aureus. Phytotoxic activity of essential oil was analyzed by testing interference on germination... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Essential oil; Phytotoxic; Antioxidant; Antibacterial; Hemolysis; Artemia salina. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502020000100560 |
| |
|
| |
|
|
| Colecio-Juárez,Maria C; Rubio-Núnez,Rubria E; Botello-Álvarez,José E; Martinez-González,Gloria M; Navarrete-Bolanos,José L; Jiménez-Islas,Hugo. |
| The essential oil of citrus fruit contains components pleasant sensory characteristics that are appreciated in food, pharmaceutical, and cosmetics industries. In the case of sweet lime (Citrus limetta Risso), is necessary to characterize the essential oil components, to identify potential uses of this fruit. The essential oil of sweet lime was obtained from lime flavedo in four different maturation stages. Steam distillation was employed and then compared with hexane extraction. The identification of the components in the essential oil was carried out by gas chromatography and mass spectrometry. A total of 46 components were found in the essence of lime, among which the highest concentration of compounds present were aldehydes such as limonene. Linalool,... |
| Tipo: Journal article |
Palavras-chave: Sweet lime; Essential oil; Steam distillation; Maturation stages. |
| Ano: 2012 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000200017 |
| |
|
|
| Pineda M,Rodrigo; Vizcaíno P,Samuel; García P,Carlos M; Gil G,Jesús H; Durango R,Diego L. |
| The growth of fungi during pre - and postharvest of fruits may cause spoilage and result in a reduction in quality and quantity. The aim of the present work was to investigate the efficacy of four extracts (n-hexane, dichlorometane, ethyl acetate, and methanol) and the essential oil of Piper auritum Kunth and P. holtonii C. DC. on the growth inhibition of three important postharvest pathogens of fruits (Colletotrichum acutatum, C. gloeosporioides, and Botryodiplodia theobromae). The in vitro antifungal activity was assayed following the poisoned food technique. The results showed that both n-hexane extract (HE) as essential oil (EO) displayed a relative good control against the three pathogens, being the originating materials of P. holtonii the most... |
| Tipo: Journal article |
Palavras-chave: Piperaceae; Essential oil; Apiol; Colletotrichum; Botryodiplodia. |
| Ano: 2012 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000400008 |
| |
|
|
| Rebolledo,Ramón; Abarzúa,Juan; Zavala,Andrea; Quiroz,Andrés; Alvear,Marysol; Aguilera,Alfonso. |
| Drimys winteri (Magnoliids: Winteraceae), a native Chilean species, has potential for use as a botanical insecticide. This species contains chemicals with biological activity, such as isoprenoids and polyphenols. In this study, the effects of the essential oil and hydrolate of D. winteri on adults of Aegorhinus superciliosus were determined in the laboratory. This species is one of the most important pests associated with the cultivation of blueberries in Chile. The insecticidal effect of both distillates was determined for five concentrations of the essential oil and hydrolate of D. winteri, with ten replicates, in a completely random bioassay. The effects of these preparations on the egg-laying, hatching and feeding activity of A. superciliosus were also... |
| Tipo: Journal article |
Palavras-chave: Essential oil; Hydrolate; Secondary metabolites. |
| Ano: 2012 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000300008 |
| |
|
|
| Xavier,Marcelo Nogueira; Alves,Cássia Cristina Fernandes; Cazal,Cristiane de Melo; Santos,Nathalia Horrana. |
| ABSTRACT: The Annonaceae family consists of ~135 genera with diverse species and a large number of chemical compounds arising from the secondary metabolism. However, the chemical composition of the essential oil of several species of the family such as Cardiopetalum calophyllum has not been completely determined. In this study, the essential oils extracted from the leaves, flowers, and fruits of C. calophyllum , collected in typical areas of the Cerrado of Goiás, were characterized. The essential oil was extracted by hydrodistillation for 4h using a Clevenger apparatus. The chemical analysis was carried out by gas chromatography-mass spectrometry (GC-MS), and the constituents were identified by comparing the spectra and retention index obtained with those... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Essential oil; Annonaceae; Chemical composition; Imbirinha. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000500937 |
| |
|
|
| Bitencourt,Raphaela Gabri; Possas,Arícia Mara Melo; Camilloto,Geany Peruch; Cruz,Renato Souza; Otoni,Caio Gomide; Soares,Nilda de Fátima Ferreira. |
| The present research aimed to develop an edible coating incorporated with mint essential oil, evaluate its effectiveness in inhibiting in vitro microbial development, and improve both quality and shelf-life of fresh-cut pineapple. Mint essential oil-containing edible coatings showed in vitro antimicrobial efficiency against Escherichia coli and Salmonella Enteritidis. Titratable acidity, pH, and texture were not affected (P>0.05) by coating or storage time. Mass loss was not higher than 1.0% after the 6th day of storage. No effect of storage time and coating on total soluble solids was observed. Mint essential oil-containing coatings inhibited the growth of yeasts and molds in fresh-cut pineapple. Compared to uncoated and control-coated samples, mint... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Minimal processing; Edible coating; Essential oil; Pineapple. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000600027 |
| |
|
|
| Nora,Flávia Michelon Dalla; Borges,Caroline Dellinghausen. |
| ABSTRACT: Essential oils are substances originated from plants in general. These compounds are well known to have a high biological activity, specially the antioxidant and antimicrobial. Several extraction techniques are employed to obtain these substances. However, the majority of these techniques require a long extraction time. In this sense, innovative and alternative extraction techniques, such as ultrasound, have recently been the target of studies. In view of the small amount of publications using ultrasonic pretreatment, this review aimed to congregate current relevant information on ultrasound-assisted extraction of essential oils. In this sense, theoretical aspects, such as the main factors that influence the performance of this technique as well... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Essential oil; Food; Extraction; Ultrasound; Green chemistry. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000900753 |
| |
|
|
| Oliveira,Juliana Dantas de; Alves,Daniely Karen Matias; Miranda,Mayker Lazaro Dantas; Alves,José Milton; Xavier,Marcelo Nogueira; Cazal,Cristiane de Melo; Alves,Cassia Cristina Fernandes. |
| ABSTRACT: Campomanesia adamantium is a native fruit species of the Cerrado and is used in food and medicines and as bee pasture. The chemical composition of essential oils obtained from plants of the same species have varying constituent proportions due to the influence of extractive factors, environmental, genetic and ontogenetic. This study aimed to identify the influence of hydrodistillation time on the content and chemical composition of essential oil extracted from the leaves of C. adamantium . Treatments consisted of five extraction times (1, 2, 3, 4, and 5h) using Clevenger with five replications in a completely randomized design. It was observed that after two hours of hydrodistillation, the essential oil content remains constant. Regarding the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Essential oil; Hydrodistillation time; Sesquiterpenes. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000100751 |
| |
|
|
| Martinelli,Laira; Rosa,Jessica Miranda; Ferreira,Carolina dos Santos Bragine; Nascimento,Gustavo Marcelo da Luz; Freitas,Mateus Silveira; Pizato,Luiz Carlos; Santos,Wanderson de Oliveira; Pires,Ricardo Francisco; Okura,Mônica Hitomi; Malpass,Geoffroy Roger Pointer; Granato,Ana Claudia. |
| ABSTRACT: Essential oils are the most important compounds produced during secondary metabolism in aromatic plants. Essential oils are volatile, have characteristic odor and are used as defensive agents by plants. In pepper, it is possible to say that essential oils are the “flavor fingerprint” of each species. In the present article, eight species of pepper were studied in order to extract their essential oils and oleoresins, test their antibacterial and antifungal activities and also to identify the compounds present in the most bioactive samples. Results demonstrated that two essential oils [Pimenta dioica (L.) Merr. and Schinus terebinthifolius] and three oleoresins (Schinus terebinthifolius and Piper nigrum white and black) recorded significant... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Peppers; Essential oil; Oleoresins; Antimicrobial activity; GC-MS. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000500451 |
| |
|
| |
| Registros recuperados: 114 | |
|
|
|
