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1. | | LIMA, A. K. O.; SILVEIRA, A. P.; SILVA, R. C.; MACHADO, Y. A. A.; ARAÚJO, A. R. de; ARAUJO, S. S. de M.; VIEIRA, I. R. S.; ARAÚJO, J. L.; SANTOS, L. C. dos; RODRIGUES, K. A. da F.; SILVA, S. W. da; RIBEIRO, J. A. de A.; RODRIGUES, C. M.; GARCIA, M. P. Phytosynthesis of silver nanoparticles using guarana (Paullinia cupana Kunth) leaf extract employing different routes: characterization and investigation of in vitro bioactivities Biomass Conversion and Biorefinery, v. 14, n. 10, 2024. Biblioteca(s): Embrapa Agroenergia. |
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Registros recuperados : 1 | |
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Registro Completo
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
26/02/2015 |
Data da última atualização: |
26/02/2015 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 3 |
Autoria: |
ALMEIDA, J. R. G. da S.; SOUZA, A. V. de; SANTOS, U. S. dos; SOUZA, M. D. de; BISPO, L. dos P.; TURATTI, Z. C. C.; LOPES, N. P. |
Afiliação: |
JACKSON ROBERTO GUEDES DA SILVA ALMEIIDA, UNIVASF; ANA VALERIA VIEIRA DE SOUZA, CPATSA; UILIANE SOARES DOS SANTOS; MAZIELE DIAS DE SOUZA; LUMA DOS PASSOS BISPO; IZABEL CRISTINA CASANOVA TURATTF, USP; NORBERTO PEPORINE LOPES. |
Título: |
Chemical composition of essential oils from Croton conduplicatus (Euphorbiaceae) in two different seasons. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Journal of Essential Oil Bearing Plants, v. 17, n. 6, p. 1137-1145, 2014. |
DOI: |
10.1080/0972060X.2014.931254 |
Idioma: |
Inglês |
Conteúdo: |
Croton conduplicatus is a species popularly known in the Brazilian Caatinga (Semi-Arid vegetation) as quebra faca. Essential oils from the fresh lea ves were obtained by hydrodistillation in two different seasons (dry and rainy seasons) after 2, 3 and 4 hour s of extraction. Analyses were made by GC-MS. The main compounds found in the oil of leaves collected in the dry season were 1,8-cineole, p-cymene, spathulenol and caryophyllene oxide. For the essential oil coll ected in rainy season the major constituents identified were 1,8-cineole, -phellandrene, bicyclogermacrene, (E)-caryophyllene and spathulenol. The antioxidant potential was evaluated using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2-azinobis-3- ethylbenzothiazoline-6-sulfonic acid (ABTS) scavengers methods, as well as the method of co-oxidation of -carotene/linoleic acid. A significant inhibitory effect of essential oils on ABTS free radicals was detected. C. conduplicatus is a natural source of antioxidants. The essential oils from the leaves contain constituents with antioxidative properties and could serve as inhibitors or scave ngers of free radicals |
Palavras-Chave: |
Atividade antioxidante; Bioma; Constituintes voláteis; Croton conduplicatus; Planta nativa; Quebra faca. |
Thesagro: |
Caatinga; Composição Química; Óleo essencial; Planta medicinal. |
Thesaurus NAL: |
Essential oils. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02169naa a2200337 a 4500 001 2010047 005 2015-02-26 008 2014 bl uuuu u00u1 u #d 024 7 $a10.1080/0972060X.2014.931254$2DOI 100 1 $aALMEIDA, J. R. G. da S. 245 $aChemical composition of essential oils from Croton conduplicatus (Euphorbiaceae) in two different seasons.$h[electronic resource] 260 $c2014 520 $aCroton conduplicatus is a species popularly known in the Brazilian Caatinga (Semi-Arid vegetation) as quebra faca. Essential oils from the fresh lea ves were obtained by hydrodistillation in two different seasons (dry and rainy seasons) after 2, 3 and 4 hour s of extraction. Analyses were made by GC-MS. The main compounds found in the oil of leaves collected in the dry season were 1,8-cineole, p-cymene, spathulenol and caryophyllene oxide. For the essential oil coll ected in rainy season the major constituents identified were 1,8-cineole, -phellandrene, bicyclogermacrene, (E)-caryophyllene and spathulenol. The antioxidant potential was evaluated using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2-azinobis-3- ethylbenzothiazoline-6-sulfonic acid (ABTS) scavengers methods, as well as the method of co-oxidation of -carotene/linoleic acid. A significant inhibitory effect of essential oils on ABTS free radicals was detected. C. conduplicatus is a natural source of antioxidants. The essential oils from the leaves contain constituents with antioxidative properties and could serve as inhibitors or scave ngers of free radicals 650 $aEssential oils 650 $aCaatinga 650 $aComposição Química 650 $aÓleo essencial 650 $aPlanta medicinal 653 $aAtividade antioxidante 653 $aBioma 653 $aConstituintes voláteis 653 $aCroton conduplicatus 653 $aPlanta nativa 653 $aQuebra faca 700 1 $aSOUZA, A. V. de 700 1 $aSANTOS, U. S. dos 700 1 $aSOUZA, M. D. de 700 1 $aBISPO, L. dos P. 700 1 $aTURATTI, Z. C. C. 700 1 $aLOPES, N. P. 773 $tJournal of Essential Oil Bearing Plants$gv. 17, n. 6, p. 1137-1145, 2014.
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