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Littérature scientifique sur le sujet « Guayusa »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 5 février 2022

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Articles de revues sur le sujet "Guayusa"

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Kapp, Robert W., Odete Mendes, Shambhu Roy, Robert S. McQuate, and Richard Kraska. "General and Genetic Toxicology of Guayusa Concentrate (Ilex guayusa)." International Journal of Toxicology 35, no. 2 (2016): 222–42. http://dx.doi.org/10.1177/1091581815625594.

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Tea from the leaves of guayusa ( Ilex guayusa) has a long history of consumption by Ecuadorian natives in regions where the plant is indigenous. The tea contains the methylxanthines caffeine and theobromine as well as chlorogenic acids, flavonoids, and sugars. Various studies were performed to evaluate the general and genetic toxicology of a standardized liquid concentrate of guayusa (GC). Guayusa concentrate was found to be negative in in vitro genotoxicity tests including the Ames test and a chromosome aberration study in human lymphocytes. The oral median lethal dose (LD50) of GC was >5,

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Dueñas, Juan F., Christopher Jarrett, Ian Cummins, and Eliot Logan–Hines. "Amazonian Guayusa (Ilex guayusa Loes.): A Historical and Ethnobotanical Overview." Economic Botany 70, no. 1 (2016): 85–91. http://dx.doi.org/10.1007/s12231-016-9334-2.

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García-Ruiz, Almudena, Nieves Baenas, Ana M. Benítez-González, et al. "Guayusa (Ilex guayusa L.) new tea: phenolic and carotenoid composition and antioxidant capacity." Journal of the Science of Food and Agriculture 97, no. 12 (2017): 3929–36. http://dx.doi.org/10.1002/jsfa.8255.

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Jakubowski, Mariusz. "Guayusa - aspekty praktyczne i rynkowe." PRZEMYSŁ FERMENTACYJNY I OWOCOWO-WARZYWNY 1, no. 10 (2019): 30–31. http://dx.doi.org/10.15199/64.2019.10.4.

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Erazo-Garcia, Maria P., Juan José Guadalupe, Jennifer K. Rowntree, Pamela Borja-Serrano, Nina Espinosa de los Monteros-Silva, and Maria de Lourdes Torres. "Assessing the Genetic Diversity of Ilex guayusa Loes., a Medicinal Plant from the Ecuadorian Amazon." Diversity 13, no. 5 (2021): 182. http://dx.doi.org/10.3390/d13050182.

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Ilex guayusa Loes. is a shrub native to the Neotropics, traditionally consumed as an infusion. Despite its cultural value and extensive use, genetic research remains scarce. This study examined the genetic and clonal diversity of guayusa in three different Ecuadorian Amazon regions using 17 species-specific SSR markers. The results obtained suggest a moderately low degree of genetic diversity (He = 0.396). Among the 88 samples studied, 71 unique multilocus genotypes (MLGs) were identified, demonstrating a high genotypic diversity. A Discriminant Analysis of Principal Components (DAPC) revealed

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Cadena-Carrera, Santiago, Deise Parolo Tramontin, Alexandre Bella Cruz, Rosana Cé Bella Cruz, José Miguel Müller, and Haiko Hense. "Biological activity of extracts from guayusa leaves (Ilex guayusa Loes.) obtained by supercritical CO2 and ethanol as cosolvent." Journal of Supercritical Fluids 152 (October 2019): 104543. http://dx.doi.org/10.1016/j.supflu.2019.104543.

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Radice, Matteo, and Giovanni Vidari. "Caracterización fitoquímica de la especie Ilex guayusa Loes. y elaboración de un prototipo de fitofármaco de interés comercial." La Granja 6, no. 2 (2007): 3. http://dx.doi.org/10.17163/lgr.n6.2007.01.

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<p>De los 17 países megadiversos del mundo cuatro de ellos se ubican en la zona andina y concentran el 75% de la diversidad en especies de animales y plantas, estos son: Colombia, Perú, Venezuela y Ecuador (Estrella et al. 2005). La Amazonía ecuatoriana representa una de las áreas con mayor biodiversidad del planeta y por su enorme variedad de plantas se convierte en una fuente de investigación de interés permanente, especialmente para el desarrollo de nuevas materias primas del mercado farmacéutico, cosmético y alimentario. Al interés comercial se unen también el científico y el antropo

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Wise, Graham, and Demetrio E. Santander. "Assessing the History of Safe Use of Guayusa." Journal of Food and Nutrition Research 6, no. 7 (2018): 471–75. http://dx.doi.org/10.12691/jfnr-6-7-8.

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Gan, Ren-You, Dan Zhang, Min Wang, and Harold Corke. "Health Benefits of Bioactive Compounds from the Genus Ilex, a Source of Traditional Caffeinated Beverages." Nutrients 10, no. 11 (2018): 1682. http://dx.doi.org/10.3390/nu10111682.

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Tea and coffee are caffeinated beverages commonly consumed around the world in daily life. Tea from Camellia sinensis is widely available and is a good source of caffeine and other bioactive compounds (e.g., polyphenols and carotenoids). Other tea-like beverages, such as those from the genus Ilex, the large-leaved Kudingcha (Ilex latifolia Thunb and Ilex kudingcha C.J. Tseng), Yerba Mate (Ilex paraguariensis A. St.-Hil), Yaupon Holly (Ilex vomitoria), and Guayusa (Ilex guayusa Loes) are also traditional drinks, with lesser overall usage, but have attracted much recent attention and have been s

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Manzano Santana, Patricia, María Quijano-Avilés, Ivan Chóez-Guaranda, et al. "Effect of drying methods on physical and chemical properties of Ilex guayusa leaves." Revista Facultad Nacional de Agronomía Medellín 71, no. 3 (2018): 8617–22. http://dx.doi.org/10.15446/rfnam.v71n3.71667.

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En este trabajo se discute la influencia del secado al aire (AD), el horno de convección (CO) y el secado solar (SOD) sobre las propiedades físicas y químicas de las hojas de Ilex guayusa. Seestimaron las cenizas totales (%), las cenizas insolubles en ácido (%), las cenizas solubles en agua (%), la humedad residual (%) y el contenido de cafeína (%). Además, se analizó la presencia los alcaloides, flavonoides, azúcares reductores, saponinas, esteroides, quinonas, grasas, fenoles y taninos en extractos de hojas secas. Los resultados revelaron que los parámetros del análisis físico no se vieron a

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Thèses sur le sujet "Guayusa"

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Erazo, Azurín Andy Richard. "Efecto diurético de los extractos etanólico y acuoso de Ilex guayusa loes (guayusa) en ratas albinas hembras." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2020. https://hdl.handle.net/20.500.12672/11729.

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Se propone encontrar el efecto diurético de los extractos acuoso y etanólico de las hojas de la planta amazónica Ilex guayusa Loes (guayusa) en ratas albinas hembras de la cepa Holtzmman. La vía de administración fue oral, se emplearon para el experimento 72 ratas albinas con un peso promedio de 200 – 250 g, divididas en 12 grupos de 6 ratas por grupos como el grupo control con cloruro de sodio al 0,9%, furosemida y ambos extractos a las dosis 50 mg/kg, 100 mg/kg, 200 mg/kg, 400 mg/kg y 800 mg/kg. Para determinar el efecto diurético se utilizaron las jaulas metabólicas individuales midi

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Rivola, Maria. "Messa a punto delle condizioni ottime di infusione di foglie di Ilex guayusa mediante disegno sperimentale Box-Behnken." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/17078/.

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Ilex guayusa, a tree native from the Amazon Rainforest, represents an important part of the culinary traditions and folk medicine of the indigenous tribes. In fact, infusions of different parts of the tree have been used as natural remedies. Particularly, the infusion obtained by the dry leaves of guayusa is a source of phenolic compounds, which are considered as antioxidant substances and have been associated with numerous benefits for human health. Currently, the growing interest of consumers towards healthy food and drinks has led to the rapid spread of this drink. However, the scientific

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Dissanayake, P. "Development of a guayule production system for low-allergenic rubber in Australia /." [St. Lucia, Qld.], 2006. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19195.pdf.

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Willard, Katherine Lucia. "THE EFFECT OF FLOWERING ON RUBBER PRODUCTION IN GUAYULE (PARTHENIUM ARGENTATUM GRAY)." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275333.

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Palomino, Pacheco Miriam. "Propiedades antioxidantes y prooxidantes de Psidium guajava L. (guayaba)." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2006. https://hdl.handle.net/20.500.12672/2576.

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Se ha evaluado las propiedades antioxidantes de las variedades amarilla y verde de la guayaba (Psidium guajava L.) utilizando tres sistemas generadores de radicales hidroxilo: H2O2/Fe-II, ascorbato/Fe-III y ascorbato/Cu-II, y un sistema generador de anión superóxido constituido por fenazina metosulfato/azul de nitrotetrazolio/NADH, así mismo, se ha estudiado el efecto que ejercería la presencia en los mencionados sistemas, de antioxidantes como: EDTA, tioúrea y manitol. Las guayabas verde y amarilla mostraron un efecto similar con los sistemas antes mencionados, en presencia de H2O2/Fe-II incr

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Bekaardt, Claude R. (Claude Ron). "Establishment of Guayule (Parthenium argentatum Gray)." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52829.

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Thesis (MScAgric)--University of Stellenbosch, 2002.<br>ENGLISH ABSTRACT: Guayule (Parthenium argentatum Gray) is a semi-desert plant with the potential to become an established crop on arid land in South Africa. The plant produces latex, which can be processed into rubber that is useful in application where disease transmission needs to be limited, such as for surgical gloves and condoms. The poor germination and natural dormancy characteristics of the embryo and the seed coats of guayule seed, motivated germination experiments. Germination of seed treated with solutions of gibberellic

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Mauala, Nusi Moa. "Evaluation of leaf characters of guayule varieties /." [St. Lucia, Qld.], 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16751.pdf.

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DIERIG, DAVID ALLEN. "CONTRIBUTION OF YIELD COMPONENTS TO RUBBER PRODUCTION IN GUAYULE." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184131.

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Guayule (Parthenium argentatum Gray) has the potential of becoming an important domestic source of natural rubber. Although some progress has been achieved in increasing yields, for guayule to become an economically feasible crop of the southwest desert, further increases in rubber yield, either by increasing biomass or the plant's rubber content, are necessary. Providing the variability for these desired traits is present in available germplasm, the plant breeder must find a means of selecting for these two traits. It is obvious that biomass can be visually estimated, and it is therefore easi

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Zittlosen, Russell Howard. "ESTABLISHMENT OF DIRECTLY SEEDED GUAYULE USING SPRINKLER IRRIGATION." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275366.

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ARIAS, TELLO ALVA NALLELI. "ANTEPROYECTO DE EXPORTACIÓN DE GUAYABA DE JUNGAPEO, MICHOACÁN A HELSINKI, FINLANDIA 2013." Tesis de Licenciatura, UNIVERSIDAD AUTONOMA DEL ESTADO DE MEXICO, 2014. http://hdl.handle.net/20.500.11799/68125.

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La presente investigación es una guía que le permitirá al exportador de guayaba expandir sus horizontes más allá del territorio nacional, aprovechando las peculiaridades y necesidades del mercado potencial de Finlandia, para introducir un fruto “nuevo” de origen orgullosamente mexicano, que incentive las relaciones comerciales, contribuya a mejorar la economía nacional y la calidad de vida de nuestros productores. En el primer capítulo se desarrollan de manera breve, las teorías económicas y los conceptos fundamentales del Comercio Internacional en los que se basa el proyecto de exportación,

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Livres sur le sujet "Guayusa"

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Guaya, Guaya. La Secta de los Perros, 2012.

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International Guayule Research and Development Conference (4th 1985 Tucson, Ariz.). Proceedings of the Fourth International Guayule Research and Development Conference: Tucson, Arizona, October 16-19, 1985. Edited by Fangmeier D. D, Alcorn S. M, Guayule Rubber Society, University of Arizona. College of Agriculture., and United States. Dept. of Agriculture. The Society, 1986.

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Cronología de Guayana. [S.R. Cortés], 2010.

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The Guaymas chronicles. University of New Mexico Press, 2003.

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Rodríguez, Irwin. Album de Guayana. Armitano Editores, 1999.

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Saldívar, Luz María. La deliciosa guayaba. Instituto Cultural de Aguascalientes, 1997.

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Bischoff, Efraín U. Brochero y Guayama. E.U. Bischoff, 1997.

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Cavero, Manuel. Guaymura: Truxillo, Trujillo. 2nd ed. [s.n.], 1995.

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Whitehead, Emily E., and J. Wayne Whitworth. Guayule: Natural rubber : a technical publication with emphasis on recent findings. Guayule Administrative Management Committee, 1991.

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Mills, David. New crops for arid lands: Guayule--a potential source of natural rubber : fifth annual report, March 1986-February 1987. Institutes for Applied Research, Ben-Gurion University of the Negev, 1987.

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Chapitres de livres sur le sujet "Guayusa"

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Paniagua-Zambrana, Narel Y., Rainer W. Bussmann, and Carolina Romero. "Ilex guayusa Loes. Aquifoliaceae." In Ethnobotany of Mountain Regions. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28933-1_147.

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Paniagua-Zambrana, Narel Y., Rainer W. Bussmann, and Carolina Romero. "Ilex guayusa Loes. Aquifoliaceae." In Ethnobotany of Mountain Regions. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77093-2_147-1.

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Thompson, Anson E., and Dennis T. Ray. "Breeding Guayule." In Plant Breeding Reviews. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118061039.ch4.

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Xu, Huizhu, and Minzhi Qian. "Micropropagation of Guayule (Parthenium argentatum)." In High-Tech and Micropropagation III. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-662-07770-2_28.

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Santangelo, P. G., and C. M. Roland. "Failure Properties Of Guayule Rubber." In Biopolymers from Renewable Resources. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03680-8_14.

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Coffelt, Terry A., Dennis T. Ray, and David A. Dierig. "100 Years of Breeding Guayule." In Handbook of Plant Breeding. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-1447-0_16.

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Norconk, Marilyn A., Robert W. Sussman, and Jane Phillips-Conroy. "Primates of Guayana Shield Forests." In Adaptive Radiations of Neotropical Primates. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4419-8770-9_4.

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Teske, Andreas. "Guaymas Basin, a Hydrothermal Hydrocarbon Seep Ecosystem." In Marine Hydrocarbon Seeps. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34827-4_3.

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Zinck, J. A. "Synthesis: The Peatscape of the Guayana Highlands." In Ecological Studies. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20138-7_9.

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Thames, S. F., P. W. Poole, Z. A. He, and J. K. Copeland. "Synthesis, Characterization, Derivation, and Application of Guayule Coproducts." In ACS Symposium Series. American Chemical Society, 1994. http://dx.doi.org/10.1021/bk-1994-0575.ch016.

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Actes de conférences sur le sujet "Guayusa"

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Ortega, Mayra. "In vitro propagation of the Amazonian medicinal plant guayusa (Ilex guayusa) and effects of light quality on growth and development." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1052628.

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Leon Intriago, Briggitte Alexandra. "Development of a caffeine quantification technique for Ilex guayusa leaves." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1053437.

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Erazo, Maria Paula. "Assessing the genetic diversity of Ilex guayusa, a medicinal plant from the Ecuadorian Amazonia." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1383053.

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SAblòn Cossìo, Neyfe, Nancy Lema Paguay, Maite Reinosa Galora, Yuri Abad Cordero, Tania Heras Calle, and Matteo Radice. "The market of Ilex guayusa. Products, stakeholders, prototypes and trends in the Ecuadorian Amazon Region." In MOL2NET 2017, International Conference on Multidisciplinary Sciences, 3rd edition. MDPI, 2017. http://dx.doi.org/10.3390/mol2net-03-04849.

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Radice, Matteo, Laura Scalvenzi, and Neyfe Sablón Cossio. "Ilex guayusa: A systematic review of its Traditional Uses, Chemical Constituents, Biological Activities and Biotrade Opportunities." In MOL2NET 2016, International Conference on Multidisciplinary Sciences, 2nd edition. MDPI, 2017. http://dx.doi.org/10.3390/mol2net-02-03868.

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Londoño-Larrea, Pablo, Santiago Zapata, Mishell Lara-López, and Estefanía Villamarín-Barriga. "Preliminary study of caffeine extraction from Ilex guayusa L. leaves using supercritical carbon dioxide." In MOL2NET 2018, International Conference on Multidisciplinary Sciences, 4th edition. MDPI, 2018. http://dx.doi.org/10.3390/mol2net-04-05297.

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"Yield and water use of guayule grown in Arizona." In 2014 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers, 2014. http://dx.doi.org/10.13031/aim.20141883697.

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Larkin, John, Nelson Macken, Mark Schaffer, et al. "A Process Simulation of Guayule Biorefining, Including an Exergy Analysis." In ASME 2016 10th International Conference on Energy Sustainability collocated with the ASME 2016 Power Conference and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/es2016-59084.

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The guayule (Parthenium argentatum) plant is a source of natural rubber and a possible high-energy biofuel. Herein guayule bagasse, the residual biomass after latex extraction, which accounts for 90% of the processed plant material, is modeled in a fast pyrolysis biorefining process. The simulation uses PRO/II® software and is based on data and processes used successfully in a bench scale facility. The unique 200-ton per day plant includes fast pyrolysis utilizing the tail gas reactive process followed by atmospheric separation, hydrodeoxygenation and final product separation, resulting in pro

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Knowlton, Ryan G. "Critical Analysis of Water Quality in the Guayas River Basin." In World Environmental and Water Resources Congress 2007. American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40927(243)429.

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"Guayule biomass and rubber yield under variable water inputs using surface irrigation." In 2016 ASABE International Meeting. American Society of Agricultural and Biological Engineers, 2016. http://dx.doi.org/10.13031/aim.20162414845.

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Rapports d'organisations sur le sujet "Guayusa"

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Steefell, C. I. Reconnaissance of Field Sites for the Study of Chemical Weathering on the Guayana Shield, South America. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/15004042.

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Carrillo Bravo, Jeremy Antonio, María José Dominguez-Cuesta, and José Cuevas-Mons. Aplicación de Técnicas SIG y A-DinSAR al análisis de movimientos del terreno en Guayaquil (Ecuador). Ilustre Colegio Oficial de Geólogos, 2021. http://dx.doi.org/10.21028/jacb.2021.04.26.

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En este trabajo se ha realizado el análisis y cuantificación de las características del terreno del área metropolitana de la ciudad de Guayaquil y las aledañas de Samborondón y Durán (provincia del Guayas, Ecuador), aplicando una metodología basada en técnicas A-DinSAR y SIG. Para ello, se han utilizado imágenes del satélite Envisat ASAR correspondientes al período 2003-2005 que han permitido obtener una serie de puntos con velocidades de desplazamiento en la dirección de la línea de vista del satélite (LOS), expresada en mm/año. Se han diferenciado tres áreas: 2 de ellas áreas urbanas, situad

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Geology and mineral deposits of the Venezuelan Guayana Shield. US Geological Survey, 1995. http://dx.doi.org/10.3133/b2124.

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Geology and mineral resource assessment of the Venezuelan Guayana Shield. US Geological Survey, 1993. http://dx.doi.org/10.3133/b2062.

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Mineral resource potential of the NB-20-4 Quadrangle, eastern Guayana Shield, Bolivar State, Venezuela. US Geological Survey, 1991. http://dx.doi.org/10.3133/b1960.

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Potentiometric surface of the alluvial aquifer and hydrologic conditions in the Guayama quadrangle, Puerto Rico, March 1986. US Geological Survey, 1987. http://dx.doi.org/10.3133/wri874162.

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