Results 21 to 30 of about 14,130 (157)

Inserción de estudiantes de educación secundaria (ciclo diversificado) en investigaciones de bioactividad de productos naturales

Revista Educación, 2021
El involucramiento educativo en labores de investigación es trascendental para que el estudiantado se relacione con las tareas y objetivos trazados a corto y largo plazo.
Vilma del V. Lanza Castillo, Willian Celestino Henríquez Guzmán, Lolymar de Los Ángeles Romero Maza, Miguel Israel Bennasar García   +3 more
doaj   +1 more source

Coccoloba alnifolia Leaf Extract as a Potential Antioxidant Molecule Using In Vitro and In Vivo Assays

Oxidative Medicine and Cellular Longevity, Volume 2020, Issue 1, 2020., 2020
The genus Coccoloba is widely used in traditional folk medicine, but few scientific data exist for this genus. The goal of this study was to characterise the chemical composition and antioxidant activities of C. alnifolia leaf extracts using in vitro and in vivo assays.
Luciana Fentanes Moura de Melo, Dayanne Lopes Gomes, Lucas Felipe da Silva, Larissa Marina Pereira Silva, Marina Lopes Machado, Cesar Orlando Muñoz Cadavid, Silvana Maria Zucolotto, Riva de Paula Oliveira, Deborah Yara Alves Cursino dos Santos, Hugo Alexandre Oliveira Rocha, Katia Castanho Scortecci, Ana Cipak Gasparovic   +11 more
wiley   +1 more source

Preferential Activity of Petiveria alliacea Extract on Primary Myeloid Leukemic Blast

Evidence-Based Complementary and Alternative Medicine, Volume 2020, Issue 1, 2020., 2020
The need for new therapeutic approaches to improve the response in acute leukemia (AL), either by directing therapy or with new therapeutic alternatives, has been a research and clinical interest topic. We evaluated whether blasts from AL patients were sensitive ex vivo to the induction chemotherapy and whether the extracts of Petiveria alliacea (Anamu
Ricardo Ballesteros-Ramírez, Eliana Aldana, María Victoria Herrera, Claudia Urueña, Laura Yinneth Rojas, Luis Fernando Echeverri, Geison Modesti Costa, Sandra Quijano, Susana Fiorentino, Sandrina A. Heleno   +9 more
wiley   +1 more source

Differentiation of Candida albicans Species Complex by Tobacco Agar Obtained from Different Cigarette Brands Available in Colombia

International Journal of Microbiology, Volume 2020, Issue 1, 2020., 2020
Introduction. The Candida albicans complex is formed by Candida albicans, Candida dubliniensis, and a biovar of C. albicans named Candida africana. These yeasts are recognized as globally distributed clinical pathogens and share most phenotypic characteristics, which makes their discrimination by conventional methods difficult. Aim.
Soraya E. Morales-López, Jayr Yepes, Danna C. Elles, Lisahidy Macías, Abid Cañate, Jorge Robles Camargo, Clemencia Chaves-López   +6 more
wiley   +1 more source

Evaluación de la actividad antifúngica de extractos vegetales sobre el hongo mycosphaerella fijiensis MORELET [PDF]

, 2009
Los cultivos de plátano y banano son afectados por el hongo Mycosphaerella fijiensis Morelet causante de una de las enfermedades más destructivas concida como Sigatoka Negra (SN), la cual genera cuantiosas pérdidas económicas para los cultivadores.
Echeverry Clavijo, Lina Marcela, Mosquera Martínez, Oscar Marino, Niño Osorio, Jaime   +2 more
core   +3 more sources

Estudio de cuatro plantas con uso medicinal tradicional cultivadas en las regiones Huetar Norte y Atlántica de Costa Rica

Tecnología en Marcha, 2014
Esta investigación buscó avanzar en el proceso de domesticación de Phyllantus niruri (chanca piedra), Senna reticulata (saragundí), Pettiveria alliaceae (ajillo) y Phyllantus acuminatus (chilillo), así como en el estudio fitoquímico vinculado a su ...
Ileana Moreira-González, Elizabeth Arnáez-Serrano, Renato Murillo-Masís, Silvia Quesada-Mora, Víctor Castro-Araya, William Zamora-Ramírez, Meliza Cordero-Hernández, Jorge Loaiza-Cárdenas, Mirtha Navarro-Hoyos   +8 more
doaj   +1 more source

Estudo farmacobotânico e farmacoquímico dos órgãos vegetativos de Ipomoea batatas (L.) Lam.

Diversitas Journal, 2023
Ipomoea batatas (L.) Lam., conhecida popularmente como batata-doce; é considerada um alimento rico em nutrientes, tem suas folhas usadas em diversas finalidades, inclusive como alternativa a outros alimentos folhosos.
Carlos Henrique da Silva Ribeiro, Gabriel Melo Santana, Felipe Ribeiro Silva, Cledson dos Santos Magalhães, Karina Perrelli Randau   +4 more
doaj   +1 more source

Extraction of γ-oryzanol from rice bran Extração de γ-oryzanol de farelo de arroz

Ciência e Agrotecnologia, 2012
γ-oryzanol, a phytochemical, has antioxidant activities and potential health benefits. In this study, we aimed to develop a method for extracting high amounts of γ-oryzanol from rice bran and for verifying its stability in different solvents ...
Renata Heidtmann-Bemvenuti, Náthali Saião Nora, Eliana Badiale-Furlong   +2 more
doaj   +1 more source

Siparuna guianensis Aublet (negramina): uma revisão Siparuna guianensis Aublet ("negramina"): a review

Revista Brasileira de Plantas Medicinais, 2010
As pesquisas realizadas a partir de recursos genéticos de espécies medicinais nativas somente serão aplicadas se o material genético estiver seguro quanto à sobrevivência e disponibilidade.
C.M.A Valentini, C.E Rodríguez-Ortíz, M.F.B Coelho   +2 more
doaj   +1 more source

Perfil fitoquímico, susceptibilidade antibacteriana e capacidade antioxidante das folhas de Croton urucurana Baillon (Euphorbiaceae) [PDF]

Infarma: Pharmaceutical Sciences, 2017
Croton urucurana Baillon, espécie conhecida popularmente como “sangria d’água”, pertence à família Euphorbiaceae, possui grande importância na medicina popular, a qual lhe atribui propriedades antibacterianas, anti-inflamatórias, antissépticas ...
Sarah Caroline de Souza SILVA, Mônica Alcântara ALVES, Sabrina Araujo de SOUSA, José Ribamar de Souza NOGUEIRA, Diegue Henrique Nascimento MARTINS, Yris Maria FONSECA-BAZZO, Alvaro Carlos GALDOS-RIVEROS   +6 more
doaj   +1 more source