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Relevant bibliographies by topics / Oreocallis grandiflora

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Journal articles

Academic literature on the topic 'Oreocallis grandiflora'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Oreocallis grandiflora"

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D, Vinueza, Cajamarca D, Acosta K, and Pilco G. "OREOCALLIS GRANDIFLORA PHOTOPROTECTIVE EFFECT AGAINST ULTRAVIOLET B RADIATION-INDUCED CELL DEATH." Asian Journal of Pharmaceutical and Clinical Research 11, no. 2 (2018): 276. http://dx.doi.org/10.22159/ajpcr.2018.v11i2.20910.

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Objective: The aim of this research was to evaluate the photoprotective effect of Oreocallis grandiflora hydroalcoholic extract (OGHE) againstultraviolet (UV)B-induced cell death model on a strain of Escherichia coli (ATCC 25922) and to determine the sun protection factor (SPF) using theequation proposed by Mansur.Methods: OGHE was obtained from leaves of O. grandiflora, following a standardized methodology. In short, O. grandiflora leaves were extracted withethanol 70% v/v and defatted with n-hexane, hydroalcoholic fraction was concentrated under controlled conditions through rotary evaporato

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Paucar Cuba, Karin, Karen Tufinio Miranda, Harold Ames Canchaya, Abel Vergara Sotomayor, and Alejandro Fukusaki Yoshizawa. "DETERMINACIÓN DE LA ACTIVIDAD ANTIOXIDANTE DE EXTRACTOS DE HOJAS DE Buddleja inkana, Oreocallis grandiflora y Chuquiraga spinosa." Revista de la Sociedad Química del Perú 87, no. 2 (2021): 107–19. http://dx.doi.org/10.37761/rsqp.v87i2.343.

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A fin de poder usar extractos de plantas nativas en aplicaciones medicinales, cosméticas, anticorrosivas, entre otras; el objetivo del presente trabajo fue evaluar la actividad antioxidante, así como el contenido de flavonoides y compuestos fenólicos totales de los extractos etanólicos e hidroalcohólicos de las hojas de Buddleja inkana (quisuar), Oreocallis grandiflora (cucharilla) y Chuquiraga spinosa (huamanpinta). La medición de la actividad antioxidante: FRAP, DPPH y ABTS·+ así como el contenido de flavonoides y compuestos fenólicos totales, se realizó por el método de lector en microplaca

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3

Cárdenas, Santiago, Carlos Nivelo-Villavicencio, Juan D. Cárdenas, Omar Landázuri P., and Boris A. Tinoco. "First record of flower visitation by a rodent in Neotropical Proteaceae, Oreocallis grandiflora." Journal of Tropical Ecology 33, no. 2 (2017): 174–77. http://dx.doi.org/10.1017/s0266467417000025.

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Abstract:There is still much to learn about pollination ecology in areas of high species diversity, such as the Neotropical region. For example, the role of non-flying mammals in pollination is largely unknown in the Neotropical areas, despite the importance of this group in the pollination of plants in other regions. Here we report evidence for flower visitation by a rodent to Oreocallis grandiflora (Proteaceae) in our study site in the southern Andes of Ecuador. For a period of 241 h, camcorders equipped with infrared lights revealed 22 occurrences of floral visitation by Microryzomys altiss

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Olivera-Gonzales, Percy, Edson Yldefonzo, Elder Mestanza, and Carmen Tamariz-Angeles. "In vitro Propagation of Oreocallis grandiflora (Lam.) R. Br., A Medicinal Threatened Plant." Annual Research & Review in Biology 14, no. 3 (2017): 1–9. http://dx.doi.org/10.9734/arrb/2017/34724.

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Percy, Olivera-Gonzales, M. Yldefonzo Edson, M. Mestanza Elder, and Tamariz-Angeles Carmen. "In vitro Propagation of Oreocallis grandiflora (Lam.) R. Br., A Medicinal Threatened Plant." Annual Research & Review in Biology 14, no. 3 (2017): 1–9. https://doi.org/10.9734/ARRB/2017/34724.

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<strong>Aims: </strong>To promote the conservation and biotechnology approach of <em>Oreocallis grandiflora</em>, a promising wild, medicinal and agroforestry Peruvian plant, a methodology for its <em>in vitro</em> propagation was performed. <strong>Study Design:</strong> Disinfection and germination of seed, followed by shoot multiplication and rooting using <em>in vitro</em> techniques. <strong>Place and Duration of Study:</strong> Follicles were collected in Yupa - Huaraz (9°30'26.76"S, 77°28'21.33"W) and the experimental procedure was done between January 2013 and December 2016. <strong>Me

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6

Moscoso, Vanessa, Alberto Macancela, and Antonio Crespo. "La remoción de acículas favorece la supervivencia de Oreocallis grandiflora en plantaciones de Pinus al sur del Ecuador." Maskana 16, no. 1 (2025): 157–69. https://doi.org/10.18537/mskn.16.01.10.

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Las plantaciones de pino han impactado negativamente la biodiversidad y el establecimiento de flora nativa en Ecuador. Evaluamos si la remoción de acículas facilita el establecimiento de Oreocallis grandiflora en una plantación del sur del país; realizamos siembra directa de semillas en parcelas con y sin acícula. Nuestros resultados mostraron que la remoción no tuvo efecto estadísticamente significativo sobre la emergencia (p > 0.05), pero sí sobre la supervivencia (p < 0.0001). Después de 22 semanas, registramos una supervivencia >86% sin acícula y 7% con acícula. Dos años después,

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7

Hazelhurst, Jenny, Santiago Cardenas, Boris Tinoco, and Jordan Karubian. "Pollination ecology of Oreocallis grandiflora (Proteaceae) at the northern and southern ends of its geographic range." Journal of Pollination Ecology 19 (2016): 71–80. http://dx.doi.org/10.26786/1920-7603(2016)4.

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8

Harold, Ames Canchaya, Tufinio Miranda Karen, Paucar Cuba Karin, and Vergara Sotomayor Abel. "Oreocallis grandiflora Leaves Extract as a Natural Inhibitor for Protection of the Steel in Acid Solution." Microscopy and Microanalysis 26, S1 (2020): 133–34. http://dx.doi.org/10.1017/s1431927620000884.

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9

Vinueza, Diego, Karina Yanza, Massimo Tacchini, et al. "Flavonoids in Ecuadorian Oreocallis grandiflora (Lam.) R. Br.: Perspectives of Use of This Species as a Food Supplement." Evidence-Based Complementary and Alternative Medicine 2018 (December 11, 2018): 1–9. http://dx.doi.org/10.1155/2018/1353129.

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Oreocallis grandiflora (Lam.) R. Br. is an Ecuadorian species belonging to the Proteaceae family, commonly known as cucharillo (Loja and Zamora provinces), cucharilla (Sierra region), gañal (Bolívar province), and algil (Chimborazo province). Its leaves and flowers, collected during blooming, are traditionally used for oral administration to treat liver diseases, vaginal bleeding, and ovary/uterus inflammation and as digestive, diuretic, and hypoglycemic remedy. Related literature does not report any scientific evidences regarding the chemical composition of the used parts of this species (lea

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Palomeque, Ximena, Andrea Maza, Juan Pablo Iñamagua, et al. "Variabilidad intraespecífica en la calidad de semillas de especies forestales nativas en bosques montanos en el sur del Ecuador: Implicaciones para la restauración de bosques." Revista de Ciencias Ambientales 51, no. 2 (2017): 52. http://dx.doi.org/10.15359/rca.51-2.3.

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Uno de los aspectos importantes a considerarse en la producción eficiente de plántulas con fines de restauración es la calidad de semillas y su variabilidad. El objetivo de este estudio fue evaluar los parámetros de semillas de acuerdo con las reglas del “International Seed Testing Association” entre diferentes árboles madre o individuos de siete especies nativas (Cedrela montana, Morella pubescens, Inga acreana, Tabebuia chrysantha, Ocotea heterochroma, Oreocallis grandiflora y Myrcianthes rhopaloides) en dos bosques de montaña del sur del Ecuador. Estas especies fueron seleccionadas por la i

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