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| 2. |  | BISCARO, M.M. Calidad de la leche ln: Seminario Regional de Calidad de Leche, 1996 may 21-23 : Atlántida [Actas]. Montevideo (Uruguay): Plan Agropecuario, 1996. p. 205-208 Libro disponible en línea en el sitio del Instituto Plan Agropecuario: http://planagropecuario.org.uy/publicaciones/libros/seminariocalidadleche97.pdf| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó; INIA Treinta y Tres. |
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| 7. | | Jaurena, M.; Rivas, M. Caracterización de la pradera natural del palmar de Butia capitata (Rocha, Uruguay) : información preliminar de su evolución con diferentes métodos de pastoreo ln: Reunión del Grupo Técnico Regional del Cono Sur en Mejoramiento y Utilización de los Recursos Forrajeros del Area Tropical y Subtropical, Grupo Campos, 20., 2004, Salto, UY Saldanha, S.; Bemhaja, M.; Moliterno, E.; Olmos, F.; Uriarte, G., ed. Sustentabilidad, desarrollo y conservación de los ecosistemas : memorias. Salto: UdelaR. Regional Norte, 2004. p. 251-252| Biblioteca(s): INIA La Estanzuela. |
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| 8. | | KOHLI, M.M. Control integrado de enfermedades en trigo In: DÍAZ DE ACKERMANN, M. (Ed.). Manejo de enfermedades en cereales de invierno y pastuas Montevideo (Uruguay): INIA, 1996. p. 25-41 (INIA Serie Técnica ; 74)| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 9. | | ALBICETTE, M.M. Dimensión social. (Productores Ganaderos). In: Gómez Miller, R. (Ed.). La co-innovación como estrategia para promover sistemas de producción más sustentables. Estudios de caso en predios familiares del norte. Montevideo (UY): INIA, 2018. p. 31-45. (INIA Serie Técnica; 247)| Biblioteca(s): INIA Las Brujas. |
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| 10. | | ALBICETTE, M.M. Dimensión social. (Productores Hortícolas). In: Gómez Miller, R. (Ed.). La co-innovación como estrategia para promover sistemas de producción más sustentables. Estudios de caso en predios familiares del norte. Montevideo (UY): INIA, 2018. p. 68-82. (INIA Serie Técnica; 247)| Biblioteca(s): INIA Las Brujas. |
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| 19. | | ALBICETTE, M.M. Indicadores. (Productores Hortícolas). In: Gómez Miller, R. (Ed.). La co-innovación como estrategia para promover sistemas de producción más sustentables. Estudios de caso en predios familiares del norte. Montevideo (UY): INIA, 2018. p. 83-84. (INIA Serie Técnica; 247)| Biblioteca(s): INIA Las Brujas. |
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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
23/07/2021 |
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Actualizado : |
23/07/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
OLIVARO, C.; ESCOBAL, M.; DE SOUZA, G.; MEDEROS, A. |
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Afiliación : |
CRISTINA OLIVARO, Espacio de Ciencia y Tecnología Química, Centro Universitario Regional Noreste, Universidad de la República, Tacuarembó, Uruguay; MICAELA ESCOBAL, Espacio de Ciencia y Tecnología Química, Centro Universitario Regional Noreste, Universidad de la República, Tacuarembó, Uruguay; GUILLERMO DE SOUZA, Espacio de Ciencia y Tecnología Química, Centro Universitario Regional Noreste, Universidad de la República, Tacuarembó, Uruguay; AMERICA ESTHER MEDEROS SILVEIRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Chemical characterisation and in vitro anthelmintic activity of phenolic-rich extracts from the leaves and branches of Maytenus ilicifolia, a native plant from South America. |
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Complemento del título : |
Short Communication. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Natural Product Research, 2021. Doi: https://doi.org/10.1080/14786419.2021.1948844 |
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DOI : |
10.1080/14786419.2021.1948844 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 28 Mar 2021, Accepted 20 Jun 2021, Published online: 06 Jul 2021.
Correspondence: Cristina Olivaro, emai: cristina.olivaro@cut.edu.uy -
Supplemental data for this article can be accessed online at https://www.tandfonline.com/doi/suppl/10.1080/14786419.2021.1948844
This work was supported by the INIA under Grant INIA CL_40 and PEDECIBA. Instituto Nacional de Investigación Agropecuaria (INIA); Programa de Desarrollo de las Ciencias Básicas (PEDECIBA). |
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Contenido : |
ABSTRACT - Free (epi) catechin, quercetin, (epi) gallocatechin, flavonol glycosides and condensed tannins were identified according to their molecular mass, characteristic product ions and retention times in extracts obtained from leaves and branches of Maytenus ilicifolia (Congorosa) by mass spectrometry. The in vitro anthelmintic activity against cattle gastrointestinal nematodes of Congorosa extract was determined using the Egg Hatch Inhibition Assay. Additionally, commercial quercetin, gallocatechin and epicatechin were evaluated. Although total phenolics, total tannins and condensed tannins contents were lower in branches extract than in leaves extract, the EC50 were 0.065mg/mL and 0.890 mg/mL for branches and leaves extract, respectively. Moreover, the use of polyvinylpyrrolidone as a blocking agent of tannins, did not change significantly the EC50 for branches extract, but significantly changed for leaves extract. Quercetin and gallocatechin EC50 values were in the range 0.03–0.05 mg/mL and epicatechin showed 100% inhibition of the egg hatching process at 0.004mg/mL.
Copyright © 2021 Informa UK Limited, trading as Taylor & Francis Group |
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Palabras claves : |
Egg hatch inhibition assay; Mass spectrometry; Maytenus ilicifolia; Phenolic compounds; Ruminants anthelmintic activity. |
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Asunto categoría : |
L73 Enfermedades de los animales |
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Marc : |
LEADER 02502naa a2200241 a 4500
001 1062322
005 2021-07-23
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1080/14786419.2021.1948844$2DOI
100 1 $aOLIVARO, C.
245 $aChemical characterisation and in vitro anthelmintic activity of phenolic-rich extracts from the leaves and branches of Maytenus ilicifolia, a native plant from South America.$h[electronic resource]
260 $c2021
500 $aArticle history: Received 28 Mar 2021, Accepted 20 Jun 2021, Published online: 06 Jul 2021. Correspondence: Cristina Olivaro, emai: cristina.olivaro@cut.edu.uy - Supplemental data for this article can be accessed online at https://www.tandfonline.com/doi/suppl/10.1080/14786419.2021.1948844 This work was supported by the INIA under Grant INIA CL_40 and PEDECIBA. Instituto Nacional de Investigación Agropecuaria (INIA); Programa de Desarrollo de las Ciencias Básicas (PEDECIBA).
520 $aABSTRACT - Free (epi) catechin, quercetin, (epi) gallocatechin, flavonol glycosides and condensed tannins were identified according to their molecular mass, characteristic product ions and retention times in extracts obtained from leaves and branches of Maytenus ilicifolia (Congorosa) by mass spectrometry. The in vitro anthelmintic activity against cattle gastrointestinal nematodes of Congorosa extract was determined using the Egg Hatch Inhibition Assay. Additionally, commercial quercetin, gallocatechin and epicatechin were evaluated. Although total phenolics, total tannins and condensed tannins contents were lower in branches extract than in leaves extract, the EC50 were 0.065mg/mL and 0.890 mg/mL for branches and leaves extract, respectively. Moreover, the use of polyvinylpyrrolidone as a blocking agent of tannins, did not change significantly the EC50 for branches extract, but significantly changed for leaves extract. Quercetin and gallocatechin EC50 values were in the range 0.03–0.05 mg/mL and epicatechin showed 100% inhibition of the egg hatching process at 0.004mg/mL. Copyright © 2021 Informa UK Limited, trading as Taylor & Francis Group
653 $aEgg hatch inhibition assay
653 $aMass spectrometry
653 $aMaytenus ilicifolia
653 $aPhenolic compounds
653 $aRuminants anthelmintic activity
700 1 $aESCOBAL, M.
700 1 $aDE SOUZA, G.
700 1 $aMEDEROS, A.
773 $tNatural Product Research, 2021. Doi: https://doi.org/10.1080/14786419.2021.1948844
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