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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
19/12/1996 |
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Data da última atualização: |
19/10/2023 |
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Autoria: |
SILVA, A. F. da. |
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Afiliação: |
ARNALDO FERREIRA DA SILVA, EMBRAPA-CNPMS. |
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Título: |
Comportamento de cultivares e novas linhagens de algodão herbáceo (Glossypium hirsutum L.) em Sete Lagoas, Minas Gerais. |
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Ano de publicação: |
1974 |
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Fonte/Imprenta: |
1974. |
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Páginas: |
31 p. |
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Idioma: |
Português |
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Notas: |
Dissertação (Mestrado) - Universidade Federal de Viçosa, Viçosa, MG. |
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Conteúdo: |
O presente ensaio foi instalado em area da Estacao Experimental de Sete Lagoas, com a finalidade de observar o comportamento de 6 cultivares e novas linhagens de algodao herbaceo, quanto ao "stand" altura de planta, produtividade; caracteristicas tecnologicas de fibra e a existencia de correlacao entre os caracteres economicos desse cultivares. Utilizou-se o delineamento experimental em quadrado latino 6 x 6, com os seguintes tratamentos: IAC. 13 - 1; IPEACO.SL 7 - 1; IAC. RM4 - SM5; IPEACO.SL 23 - 6680; IPEACO.SL 23 - 6879; IPEACO.SL. H - 62477; Os tratamentos A e B foram constituidos pelos cultivares comumente plantados em Minas Gerais, enquanto o tratamento C e, na atualidade o cultivar mais plantado no Estado de Sao Paulo. Os tratamentos D e E constituem linhagens de selecao no cultivar americano D.P.L. 11 e o tratamento F, uma linhagem resultante do cruzamento de Delfos com Piratininga. As parcelas foram constituidas de 2 fileiras uteis de 4 m de comprimento, espacadas de 1 m entre si, por 0,20m entre plantas, deixando-se 1 planta por cova apos desbaste. Em cada fileira util das parcelas, 2 plantas foram marcadas ao acaso, para determinacao de altura media de planta e peso de capulho. Foram estudados os parametros: "stand" inicial, "stand final" altura da planta, producao de algodao em caroco, peso de capulho, peso de 100 sementes, indice de fibra, comprimento, uniformidade, resistencia, finura e maturidade de fibra, bem como estudadas as correlacoes entre os caracteres economicos. (...) MenosO presente ensaio foi instalado em area da Estacao Experimental de Sete Lagoas, com a finalidade de observar o comportamento de 6 cultivares e novas linhagens de algodao herbaceo, quanto ao "stand" altura de planta, produtividade; caracteristicas tecnologicas de fibra e a existencia de correlacao entre os caracteres economicos desse cultivares. Utilizou-se o delineamento experimental em quadrado latino 6 x 6, com os seguintes tratamentos: IAC. 13 - 1; IPEACO.SL 7 - 1; IAC. RM4 - SM5; IPEACO.SL 23 - 6680; IPEACO.SL 23 - 6879; IPEACO.SL. H - 62477; Os tratamentos A e B foram constituidos pelos cultivares comumente plantados em Minas Gerais, enquanto o tratamento C e, na atualidade o cultivar mais plantado no Estado de Sao Paulo. Os tratamentos D e E constituem linhagens de selecao no cultivar americano D.P.L. 11 e o tratamento F, uma linhagem resultante do cruzamento de Delfos com Piratininga. As parcelas foram constituidas de 2 fileiras uteis de 4 m de comprimento, espacadas de 1 m entre si, por 0,20m entre plantas, deixando-se 1 planta por cova apos desbaste. Em cada fileira util das parcelas, 2 plantas foram marcadas ao acaso, para determinacao de altura media de planta e peso de capulho. Foram estudados os parametros: "stand" inicial, "stand final" altura da planta, producao de algodao em caroco, peso de capulho, peso de 100 sementes, indice de fibra, comprimento, uniformidade, resistencia, finura e maturidade de fibra, bem como estudadas as correlacoes entre os caracteres... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Comportamento; Cultivares; Minas Gerais; Sete Lagoas. |
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Thesagro: |
Algodão; Gossypium Hirsutum. |
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Thesaurus Nal: |
Brazil; cotton; varieties. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/89888/1/Arnaldo-Ferreira.pdf
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Marc: |
LEADER 02258nam a2200253 a 4500
001 1473193
005 2023-10-19
008 1974 bl uuuu m 00u1 u #d
100 1 $aSILVA, A. F. da
245 $aComportamento de cultivares e novas linhagens de algodão herbáceo (Glossypium hirsutum L.) em Sete Lagoas, Minas Gerais.$h[electronic resource]
260 $a1974.$c1974
300 $a31 p.
500 $aDissertação (Mestrado) - Universidade Federal de Viçosa, Viçosa, MG.
520 $aO presente ensaio foi instalado em area da Estacao Experimental de Sete Lagoas, com a finalidade de observar o comportamento de 6 cultivares e novas linhagens de algodao herbaceo, quanto ao "stand" altura de planta, produtividade; caracteristicas tecnologicas de fibra e a existencia de correlacao entre os caracteres economicos desse cultivares. Utilizou-se o delineamento experimental em quadrado latino 6 x 6, com os seguintes tratamentos: IAC. 13 - 1; IPEACO.SL 7 - 1; IAC. RM4 - SM5; IPEACO.SL 23 - 6680; IPEACO.SL 23 - 6879; IPEACO.SL. H - 62477; Os tratamentos A e B foram constituidos pelos cultivares comumente plantados em Minas Gerais, enquanto o tratamento C e, na atualidade o cultivar mais plantado no Estado de Sao Paulo. Os tratamentos D e E constituem linhagens de selecao no cultivar americano D.P.L. 11 e o tratamento F, uma linhagem resultante do cruzamento de Delfos com Piratininga. As parcelas foram constituidas de 2 fileiras uteis de 4 m de comprimento, espacadas de 1 m entre si, por 0,20m entre plantas, deixando-se 1 planta por cova apos desbaste. Em cada fileira util das parcelas, 2 plantas foram marcadas ao acaso, para determinacao de altura media de planta e peso de capulho. Foram estudados os parametros: "stand" inicial, "stand final" altura da planta, producao de algodao em caroco, peso de capulho, peso de 100 sementes, indice de fibra, comprimento, uniformidade, resistencia, finura e maturidade de fibra, bem como estudadas as correlacoes entre os caracteres economicos. (...)
650 $aBrazil
650 $acotton
650 $avarieties
650 $aAlgodão
650 $aGossypium Hirsutum
653 $aBrasil
653 $aComportamento
653 $aCultivares
653 $aMinas Gerais
653 $aSete Lagoas
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Alimentos e Territórios. Para informações adicionais entre em contato com mara.petrocchi@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Alimentos e Territórios. |
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Data corrente: |
17/11/2023 |
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Data da última atualização: |
17/11/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
SANTOS, F. A.; VIANA, A. F. S. C.; NUNES, P. I. G.; PORTELA, B. Y. M.; ALVES, A. P. N. N.; VIANA, D. DE A.; CARVALHO, K. R.; PEREIRA, R. de C. A.; RIBEIRO, P. R. V.; ALVES FILHO, E. G.; BRITO, E. S. de; SILVEIRA, E. R.; CANUTO, K. M. |
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Afiliação: |
FLÁVIA ALMEIDA SANTOS, Federal University of Ceará; ANA FLÁVIA SERAINE CUSTÓDIO VIANA, Federal University of Ceará; PAULO IURY GOMES NUNES, Federal University of Ceará; BENEDITO YAGO MACHADO PORTELA, Federal University of Ceará; ANA PAULA NEGREIROS NUNES ALVES, Federal University of Ceará; DANIEL DE ARAÚJO VIANA, Christhus University Center; KALINE RODRIGUES CARVALHO, Federal University of Ceara; RITA DE CASSIA ALVES PEREIRA, CNPAT; PAULO RICELI VASCONCELOS RIBEIRO, CNPAT; ELENILSON GODOY ALVES-FILHO; EDY SOUSA DE BRITO, CNAT; EDILBERTO ROCHA SILVEIRA, Federal University of Ceará; KIRLEY MARQUES CANUTO, CNPAT. |
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Título: |
UPLC-QTOF-MS/MS-based metabolomic approach and gastroprotective effect of two chemotypes of Egletes viscosa (L.) less. against ethanol-induced gastric ulcer in mice. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Journal of Ethnopharmacology, 116348, june 2023. |
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DOI: |
https://doi.org/10.1016/j.jep.2023.116348 |
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Idioma: |
Inglês |
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Conteúdo: |
Ethnopharmacological relevance: Egletes viscosa (L.) (macela) is a native wild herb that can be found in different states of northeastern Brazil. The infusions of its flower buds are traditionally used for the treatment of gastrointestinal disorders. E. viscosa possesses two chemotypes (named A and B), distinguishable by the composition of the essential oil from the flower buds. Although there are previous studies of the gastroprotective effect of the isolated constituents of E. viscosa, its infusions have not been investigated yet. Aim of the study: The present study aimed to evaluate and compare the chemical composition and the gastroprotective effect of flower bud infusions of E. viscosa from chemotype A (EVCA) and chemotype B (EVCB). Materials and methods: Sixteen infusions were brewed with flower buds according to the traditional preparation mode and were analyzed through a UPLC-QTOF-MS/MS based metabolomic approach for determination of their metabolic fingerprints and quantification of bioactive compounds. Afterward, these data were analyzed by chemometric methods (OPLS-DA) for discrimination of the two chemotypes. Additionally, infusions of EVCA and EVCB (50, 100 and 200 mg/kg, p.o.) were evaluated on gastric ulcers induced by absolute ethanol (96%, 0.2 mL, p.o.) in mice. To elucidate the gastroprotective mechanisms, the effect of EVCA and EVCB on gastric acid secretion and gastric wall mucus was determined and the role of TRPV1 channels, prostaglandins, nitric oxide and KATP channels were assessed. Moreover, the oxidative stress-related parameters and the histological aspects of the stomach tissue were analyzed. Results: The chemotypes can be discriminated from each other using UPLC-QTOF-MS/MS chemical fingerprints. Both chemotypes presented similar chemical compositions, consisting basically of caffeic acid derivatives, flavonoids and diterpenes. The quantification of bioactive compounds demonstrated that chemotype A possesses more ternatin, tanabalin and centipedic than chemotype B. EVCA and EVCB (50, 100 and 200 mg/kg, p.o.) significantly decreased the severity of ethanol-induced gastric lesions, as shown by a reduction in histological alterations and leucocyte infiltration in gastric tissue. The gastroprotective mechanism of both infusions involves an antioxidant effect, maintenance of gastric mucus and reduction gastric secretion. Stimulation of endogenous prostaglandins and nitric oxide release, activation of TRPV1 channels, and KATP channels are also involved in the gastroprotection of the infusions. Conclusion: The gastroprotective effect of EVCA and EVCB was equivalent and mediated through antioxidant and antisecretory actions, including the activation of TRPV1 receptors, stimulation of endogenous prostaglandins and nitric oxide, and opening of KATP channels. The presence of caffeic acid derivatives, flavonoids and diterpenes in both infusions is involved in mediating this protective effect. Our findings support the traditional use of infusions of E. viscosa for gastric disorders regardless of the chemotype. MenosEthnopharmacological relevance: Egletes viscosa (L.) (macela) is a native wild herb that can be found in different states of northeastern Brazil. The infusions of its flower buds are traditionally used for the treatment of gastrointestinal disorders. E. viscosa possesses two chemotypes (named A and B), distinguishable by the composition of the essential oil from the flower buds. Although there are previous studies of the gastroprotective effect of the isolated constituents of E. viscosa, its infusions have not been investigated yet. Aim of the study: The present study aimed to evaluate and compare the chemical composition and the gastroprotective effect of flower bud infusions of E. viscosa from chemotype A (EVCA) and chemotype B (EVCB). Materials and methods: Sixteen infusions were brewed with flower buds according to the traditional preparation mode and were analyzed through a UPLC-QTOF-MS/MS based metabolomic approach for determination of their metabolic fingerprints and quantification of bioactive compounds. Afterward, these data were analyzed by chemometric methods (OPLS-DA) for discrimination of the two chemotypes. Additionally, infusions of EVCA and EVCB (50, 100 and 200 mg/kg, p.o.) were evaluated on gastric ulcers induced by absolute ethanol (96%, 0.2 mL, p.o.) in mice. To elucidate the gastroprotective mechanisms, the effect of EVCA and EVCB on gastric acid secretion and gastric wall mucus was determined and the role of TRPV1 channels, prostaglandins, nitric oxide ... Mostrar Tudo |
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Palavras-Chave: |
Diterpenes; Egletes viscosa; Gastric ulcer. |
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Thesaurus NAL: |
Flavonoids; Phenolic acids. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 04150naa a2200337 a 4500
001 2158523
005 2023-11-17
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jep.2023.116348$2DOI
100 1 $aSANTOS, F. A.
245 $aUPLC-QTOF-MS/MS-based metabolomic approach and gastroprotective effect of two chemotypes of Egletes viscosa (L.) less. against ethanol-induced gastric ulcer in mice.$h[electronic resource]
260 $c2023
520 $aEthnopharmacological relevance: Egletes viscosa (L.) (macela) is a native wild herb that can be found in different states of northeastern Brazil. The infusions of its flower buds are traditionally used for the treatment of gastrointestinal disorders. E. viscosa possesses two chemotypes (named A and B), distinguishable by the composition of the essential oil from the flower buds. Although there are previous studies of the gastroprotective effect of the isolated constituents of E. viscosa, its infusions have not been investigated yet. Aim of the study: The present study aimed to evaluate and compare the chemical composition and the gastroprotective effect of flower bud infusions of E. viscosa from chemotype A (EVCA) and chemotype B (EVCB). Materials and methods: Sixteen infusions were brewed with flower buds according to the traditional preparation mode and were analyzed through a UPLC-QTOF-MS/MS based metabolomic approach for determination of their metabolic fingerprints and quantification of bioactive compounds. Afterward, these data were analyzed by chemometric methods (OPLS-DA) for discrimination of the two chemotypes. Additionally, infusions of EVCA and EVCB (50, 100 and 200 mg/kg, p.o.) were evaluated on gastric ulcers induced by absolute ethanol (96%, 0.2 mL, p.o.) in mice. To elucidate the gastroprotective mechanisms, the effect of EVCA and EVCB on gastric acid secretion and gastric wall mucus was determined and the role of TRPV1 channels, prostaglandins, nitric oxide and KATP channels were assessed. Moreover, the oxidative stress-related parameters and the histological aspects of the stomach tissue were analyzed. Results: The chemotypes can be discriminated from each other using UPLC-QTOF-MS/MS chemical fingerprints. Both chemotypes presented similar chemical compositions, consisting basically of caffeic acid derivatives, flavonoids and diterpenes. The quantification of bioactive compounds demonstrated that chemotype A possesses more ternatin, tanabalin and centipedic than chemotype B. EVCA and EVCB (50, 100 and 200 mg/kg, p.o.) significantly decreased the severity of ethanol-induced gastric lesions, as shown by a reduction in histological alterations and leucocyte infiltration in gastric tissue. The gastroprotective mechanism of both infusions involves an antioxidant effect, maintenance of gastric mucus and reduction gastric secretion. Stimulation of endogenous prostaglandins and nitric oxide release, activation of TRPV1 channels, and KATP channels are also involved in the gastroprotection of the infusions. Conclusion: The gastroprotective effect of EVCA and EVCB was equivalent and mediated through antioxidant and antisecretory actions, including the activation of TRPV1 receptors, stimulation of endogenous prostaglandins and nitric oxide, and opening of KATP channels. The presence of caffeic acid derivatives, flavonoids and diterpenes in both infusions is involved in mediating this protective effect. Our findings support the traditional use of infusions of E. viscosa for gastric disorders regardless of the chemotype.
650 $aFlavonoids
650 $aPhenolic acids
653 $aDiterpenes
653 $aEgletes viscosa
653 $aGastric ulcer
700 1 $aVIANA, A. F. S. C.
700 1 $aNUNES, P. I. G.
700 1 $aPORTELA, B. Y. M.
700 1 $aALVES, A. P. N. N.
700 1 $aVIANA, D. DE A.
700 1 $aCARVALHO, K. R.
700 1 $aPEREIRA, R. de C. A.
700 1 $aRIBEIRO, P. R. V.
700 1 $aALVES FILHO, E. G.
700 1 $aBRITO, E. S. de
700 1 $aSILVEIRA, E. R.
700 1 $aCANUTO, K. M.
773 $tJournal of Ethnopharmacology, 116348, june 2023.
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