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Journal articles on the topic 'Drimys winteri'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 March 2023

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1

Rodríguez, Sandra. "Antecedentes tecnológicos de Canelo (Drimys winteri Forst.)." Bosque 19, no. 1 (1998): 91–99. http://dx.doi.org/10.4206/bosque.1998.v19n1-10.

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2

Muñoz, Orlando M., Juan D. Maya, Jorge Ferreira, et al. "Medicinal Plants of Chile: Evaluation of their Anti-Trypanosoma cruzi Activity." Zeitschrift für Naturforschung C 68, no. 5-6 (2013): 198–202. http://dx.doi.org/10.1515/znc-2013-5-605.

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The extracts of several plants of Central Chile exhibited anti-Trypanosoma cruzi trypomastigotes activity. Most active extracts were those obtained from Podanthus ovatifolius, Berberis microphylla, Kageneckia oblonga, and Drimys winteri. The active extract of Drimys winteri (IC50 51.2 μg/mL) was purifi ed and three drimane sesquiterpenes were obtained: polygodial, drimenol, and isodrimenin. Isodrimenin and drimenol were found to be active against the trypomastigote form of T. cruzi with IC50 values of 27.9 and 25.1 μM, respectively.

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3

Hernandez, Marcelo, Claudio Donoso, and Magdalena Romero. "Variación genecológica de dos poblaciones contiguas de Drimys winteri (Forst.)." Bosque 17, no. 2 (1996): 65–75. http://dx.doi.org/10.4206/bosque.1996.v17n2-07.

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4

Sierra, Jorge R., José T. López та Manuel J. Cortés. "(−)-3β-Acetoxydrimenin from the leaves of Drimys winteri". Phytochemistry 25, № 1 (1985): 253–54. http://dx.doi.org/10.1016/s0031-9422(00)94542-4.

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5

Munoz, Orlando, Jorge Tapia-Merino, Wolf Nevermann, and Aurelio San-Martin. "Phytochemistry and biological properties of Drimys winteriJR et G. Forster var chilensis(DC) A." Boletin Latinoamericano y del Caribe de Plantas Medicinales y Aromaticas 20, no. 5 (2021): 443–62. http://dx.doi.org/10.37360/blacpma.21.20.5.33.

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Drimys winteri JR et G. Forster var chilensis (DC) A. is a tree native to central and southern Chile. Also it found in part of Argentina. It is abundant in wet swampy localities from sea level to an altitude of 1700 m. This tree is sacred for the Mapuche culture; it is used in folk medicine in such as inflammatory and painful processes. Phytochemical studies have demonstrated that this plant contains mainly sesquiterpenes of the drimane type, flavonoids, essential oils, phytosterols and some lignans. These drimanes have attracted interest because of their antifeedant, plant growth regulation,

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6

Doust, Andrew N. "The Developmental Basis of Floral Variation in Drimys winteri (Winteraceae)." International Journal of Plant Sciences 162, no. 4 (2001): 697–717. http://dx.doi.org/10.1086/320790.

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7

Malheiros, Angela, Valdir Cechinel Filho, Clarisse B. Schmitt, et al. "A sesquiterpene drimane with antinociceptive activity from Drimys winteri bark." Phytochemistry 57, no. 1 (2001): 103–7. http://dx.doi.org/10.1016/s0031-9422(00)00515-x.

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8

Cechinel Filho, Valdir, Valfredo Schlemper, Adair R. S. Santos, et al. "Isolation and identification of active compounds from Drimys winteri barks." Journal of Ethnopharmacology 62, no. 3 (1998): 223–27. http://dx.doi.org/10.1016/s0378-8741(98)00069-5.

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9

Elissetche, Juan-Pedro, André Ferraz, Juanita Freer, and Jaime Rodríguez. "Influence of forest soil on biodegradation of Drimys winteri by Ganoderma australe." International Biodeterioration & Biodegradation 57, no. 3 (2006): 174–78. http://dx.doi.org/10.1016/j.ibiod.2006.02.006.

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10

Malheiros, Angela, Valdir Cechinel Filho, Clarisse B. Schmitt, et al. "ChemInform Abstract: A Sesquiterpene Drimane with Antinociceptive Activity from Drimys winteri Bark." ChemInform 32, no. 33 (2010): no. http://dx.doi.org/10.1002/chin.200133219.

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11

Quiroz Marchant, Iván. "Funciones de volumen, modelos de crecimiento y factor de forma para Drimys winteri Forst." Ciencia & Investigación Forestal 4, no. 2 (1990): 228–36. http://dx.doi.org/10.52904/0718-4646.1990.143.

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La capacidad colonizadora del Canelo (Drymis winteri Forst.) le ha permitido establecerse en forma pura o mezclada, predominando los bosques con desarrollo juvenil clasificados como renovales. Es un árbol que puede alcanzar alturas de 25 a 30 m, presenta tronco cilíndrico de hasta un 1 m de diámetro con corteza gruesa, lisa, blanda y de color gris ceniciento.

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12

Feild, T. S., M. A. Zwieniecki, M. J. Donoghue, and N. M. Holbrook. "Stomatal plugs of Drimys winteri (Winteraceae) protect leaves from mist but not drought." Proceedings of the National Academy of Sciences 95, no. 24 (1998): 14256–59. http://dx.doi.org/10.1073/pnas.95.24.14256.

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13

Burgos, Viviana, Cristian Paz, Kathleen Saavedra, et al. "Drimys winteri and isodrimeninol decreased foam cell formation in THP-1 derived macrophages." Food and Chemical Toxicology 146 (December 2020): 111842. http://dx.doi.org/10.1016/j.fct.2020.111842.

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14

Bridi, Raquel, Ady Giordano, Maria Fernanda Peñailillo, and Gloria Montenegro. "Antioxidant Effect of Extracts from Native Chilean Plants on the Lipoperoxidation and Protein Oxidation of Bovine Muscle." Molecules 24, no. 18 (2019): 3264. http://dx.doi.org/10.3390/molecules24183264.

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The present study investigated the antioxidant potential and the ability to inhibit lipid and protein oxidation in bovine meat of four native Chilean species: canelo (Drimys winteri), nalca (Gunnera tinctoria), tiaca (Caldcluvia paniculata), and ulmo (Eucryphia cordifolia). Phenolic acids (gallic, chlorogenic, caffeic, and coumaric) and flavonoids (catechin, epicatechin, and rutin) were identified and quantified by HPLC-MS/MS. Drimys winteri extract exhibited the highest antioxidant capacity evaluated by oxygen radical absorption capacity-red pyrogallol method (ORAC-PGR) and ferric ion reducin

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15

Zapata, Mario, María Antonieta Palma, María José Aninat, and Eduardo Piontelli. "Polyphasic studies of new species of Diaporthe from native forest in Chile, with descriptions of Diaporthe araucanorum sp. nov., Diaporthe foikelawen sp. nov. and Diaporthe patagonica sp. nov." International Journal of Systematic and Evolutionary Microbiology 70, no. 5 (2020): 3379–90. http://dx.doi.org/10.1099/ijsem.0.004183.

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During a survey of fungi in native forests in Chile, several unidentified isolates of Diaporthe were collected from different hosts. The isolates were characterized based on DNA comparisons, morphology, culture characteristics and host affiliation, in accordance with previous descriptions. Phylogenetic analysis of the ITS region, combined with partial tub2 and tef1 genes, showed that the isolates formed three distinct groups representing three new taxa. The three new species of Diaporthe, Diaporthe araucanorum on Araucaria araucana, Diaporthe foikelawen on Drimys winteri and Diaporthe patagoni

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16

Zapata, Nelson, Marisol Vargas, Manuel Monsálvez, and Ricardo Ceballos. "Crude extracts of Drimys winteri bark to inhibit growth of Gaeumannomyces graminis var. tritici." Chilean journal of agricultural research 71, no. 1 (2011): 45–51. http://dx.doi.org/10.4067/s0718-58392011000100006.

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17

Priscilla Brebi, M., Alfonso Aguilera, Nelson Ojeda, and Ramón Rebolledo. "Nuevos registros de insectos fitófagos asociados a canelo (Drimys winteri Forst.) en La Araucanía." Idesia (Arica) 29, no. 2 (2011): 99–104. http://dx.doi.org/10.4067/s0718-34292011000200013.

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18

Paz, Cristian, Gerardo Cárcamo, Mario Silva, José Becerra, Homero Urrutia, and Katherine Sossa. "Drimendiol, A Drimane Sesquiterpene with Quorum Sensing Inhibition Activity." Natural Product Communications 8, no. 2 (2013): 1934578X1300800. http://dx.doi.org/10.1177/1934578x1300800201.

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Quorum sensing (QS) is a regulatory mechanism that enables bacteria to make collective decisions such as an increase in virulence factors and biofilm production. Inhibitors of QS are important research tools in the discovery of new potential anti-bacterial agents. Polygodial, drimenol and drimendiol are drimane sesquiterpenoids isolated from Drimys winteri, a Chilean native tree. Their QS activity, when tested on Chromobacterium violaceum ATCC 12472, showed that drimendiol is an inhibitor of QS, decreasing violaceine production in C. violaceum and decreasing biofilm formation of Pseudomonas sy

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19

Navarro, Celso, Claudio Donoso, Victor Sandoval, and Conrado Gonzalez. "Evaluación de raleos en un renoval de canelo (Drimys winteri (Forst.)) en la Cordillera de la Costa de Valdivia, Chile." Bosque 18, no. 2 (1997): 51–65. http://dx.doi.org/10.4206/bosque.1997.v18n2-06.

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20

Thorsch, Jennifer, and Katherine Esau. "An Ultrastructural Study of the Phloem of Drimys (Winteraceae)." IAWA Journal 6, no. 3 (1985): 255–68. http://dx.doi.org/10.1163/22941932-90000948.

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The ultrastructural features of mainly primary phloem of three species of Drimys (Winteraceae), D. winteri J. R. ' G. Forst., D. lanceolata (Poiret) Baill. and D. granadensis L. f. var. mexicana (DC.) A. C. Smith are similar to those usually observed in dicotyledons. The sieve element is early discernible by its association with a companion cell, the deposition of callose in nascent sieve areas, and the appearance in the cytoplasm of the nondispersing paracrystalline protein body. Plastids with starch (and in D. lanceolata also with paracrystalline protein granules), mitochondria, sparse endop

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21

Muñoz, Orlando, Phlippe Christen, Silvian Cretton, Alejandro F. Barrero, Armando Lara, and M. Mar Herrador. "Comparison of the Essential Oils of Leaves and Stem Bark from Two Different Populations of Drimys Winteri a Chilean Herbal Medicine." Natural Product Communications 6, no. 6 (2011): 1934578X1100600. http://dx.doi.org/10.1177/1934578x1100600630.

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The chemical composition of the essential oils obtained by hydrodistillation of stem bark and leaves of Drimys winteri J.R. et G. Foster var. chilensis /DC A. Gray ( Winteraceae) from Chiloe Island (ID) and Continental Chile (Santiago) (CD) were studied by GC and GC/MS. Sesquiterpene hydrocarbons constituted the main chemical groups in the stem bark oils, with α-santalene, trans-β-bergamotene and curcumenes as the major components. Monoterpenes constituted the main chemical groups in the leaves of Island plants with α-pinene (23.1%) β-pinene (43.6%) and linalool (10.5%) as the main components

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22

Donoso, Claudio, Claudio Maureira, Alberto Zuñiga, and Hector Castro. "Producción de semillas y hojarasca en renovales de canelo (Drimys winteri Forst.) en la Cordillera de la Costa de Valdivia, Chile." Bosque 20, no. 2 (1999): 65–78. http://dx.doi.org/10.4206/bosque.1999.v20n2-07.

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23

Lazo, Waldo. "Acción antimicótica in vitro de hojas y ramitas de Canelo (Drimys winteri J.R. & G. Forster)." Boletín Micológico 13 (January 1, 1998): 123. http://dx.doi.org/10.22370/bolmicol.1998.13.0.971.

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24

Burgos, Viviana, Cristian Paz, Kathleen Saavedra, Nicolás Saavedra, Mary Ann Foglio, and Luis A. Salazar. "Drimenol, isodrimeninol and polygodial isolated from Drimys winteri reduce monocyte adhesion to stimulated human endothelial cells." Food and Chemical Toxicology 146 (December 2020): 111775. http://dx.doi.org/10.1016/j.fct.2020.111775.

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25

Bombaça, Ana Cristina Souza, Daniela Von Dossow, Juliana Magalhães Chaves Barbosa, Cristian Paz, Viviana Burgos, and Rubem Figueiredo Sadok Menna-Barreto. "TrypanocidalActivity of Natural Sesquiterpenoids Involves Mitochondrial Dysfunction, ROS Production and Autophagic Phenotype in Trypanosomacruzi." Molecules 23, no. 11 (2018): 2800. http://dx.doi.org/10.3390/molecules23112800.

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Chagas disease is a neglected tropical disease that is caused by the protozoan Trypanosomacruzi and represents a serious health problem, especially in Latin America. The clinical treatment of Chagas disease is based on two nitroderivatives that present severe side effects and important limitations. In folk medicine, natural products, including sesquiterpenoids, have been employed for the treatment of different parasitic diseases. In this study, the trypanocidal activity of compounds isolated from the Chilean plants Drimys winteri, Podanthus mitiquiand Maytenus boaria on three T. cruzi evolutiv

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26

Marín, Víctor, Bryan Bart, Nicole Cortez, et al. "Drimane Sesquiterpene Aldehydes Control Candida Yeast Isolated from Candidemia in Chilean Patients." International Journal of Molecular Sciences 23, no. 19 (2022): 11753. http://dx.doi.org/10.3390/ijms231911753.

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Drimys winteri J.R. (Winteraceae) produce drimane sesquiterpenoids with activity against Candida yeast. In this work, drimenol, polygodial (1), isotadeonal (2), and a new drimane α,β-unsaturated 1,4-dialdehyde, named winterdial (4), were purified from barks of D. winteri. The oxidation of drimenol produced the monoaldehyde drimenal (3). These four aldehyde sesquiterpenoids were evaluated against six Candida species isolated from candidemia patients in Chilean hospitals. Results showed that 1 displays fungistatic activity against all yeasts (3.75 to 15.0 µg/mL), but irritant effects on eyes and

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27

Monsálvez, Manuel, Nelson Zapata, Marisol Vargas, Marisol Berti, Magalis Bittner, and Victor Hernández. "Antifungal effects of n-hexane extract and essential oil of Drimys winteri bark against Take-All disease." Industrial Crops and Products 31, no. 2 (2010): 239–44. http://dx.doi.org/10.1016/j.indcrop.2009.10.013.

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28

Zapata, Nelson, Georges Lognay, and Guy Smagghe. "Bioactivity of essential oils from leaves and bark of Laurelia sempervirens and Drimys winteri against Acyrthosiphon pisum." Pest Management Science 66, no. 12 (2010): 1324–31. http://dx.doi.org/10.1002/ps.2018.

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29

Salas-Eljatib, Christian, Patricio Corvalán, Nicolás Pino, Pablo J. Donoso, and Daniel P. Soto. "Modelos de efectos mixtos de altura-diámetro para Drimys winteri en el sur (41-43° S) de Chile." Bosque (Valdivia) 40, no. 1 (2019): 71–80. http://dx.doi.org/10.4067/s0717-92002019000100071.

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30

Zapata, N., M. Vargas, and P. Medina. "Actividad fitotóxica de un extracto N-Hexano obtenido de la corteza de Drimys Winteri sobre cuatro especies de malezas." Planta Daninha 29, no. 2 (2011): 323–31. http://dx.doi.org/10.1590/s0100-83582011000200010.

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El objetivo de esta investigación fue determinar el efecto fitotóxico de un extracto obtenido con n-hexano de la corteza de Drimys winteri sobre la germinación y el crecimiento de Convolvulus arvensis, Setaria pumila, Daucus carota y Cichorium intybus. El efecto fitotóxico del extracto sobre la germinación de las malezas se determinó mediante bioensayos en placas de Petri y la aplicación del extracto en el medio de germinación en concentraciones de 100 a 1.000 mg L-1. En bioensayos en macetas, se determinó el efecto fitotóxico del extracto sobre la emergencia y crecimiento de las plántulas de

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31

Donoso, Pablo J., Daniel P. Soto, and Raúl A. Bertín. "Size–density relationships in Drimys winteri secondary forests of the Chiloe Island, Chile: Effects of physiography and species composition." Forest Ecology and Management 239, no. 1-3 (2007): 120–27. http://dx.doi.org/10.1016/j.foreco.2006.11.015.

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32

Tampe, Jocelyne, Javier Espinoza, Manuel Chacón-Fuentes, Andrés Quiroz, and Mónica Rubilar. "Evaluation of Drimys winteri (Canelo) Essential Oil as Insecticide against Acanthoscelides obtectus (Coleoptera: Bruchidae) and Aegorhinus superciliosus (Coleoptera: Curculionidae)." Insects 11, no. 6 (2020): 335. http://dx.doi.org/10.3390/insects11060335.

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Adverse effects caused by synthetic pesticides have increased interest in plant-derived insecticidal compounds, in particular essential oils, as a more compatible and ecofriendly alternative for pest control of economic importance. For this reason, the essential oil isolated from leaves and shoots of Drimys winteri (J.R. Forster & G. Forster)—also named canelo (CEO)—was investigated for its chemical profile and insecticidal action against Acanthoscelides obtectus (Say)—one of the most important post-harvest pests of dry beans in the world—and Aegorhinus superciliosus (Guérin)—a significant

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33

Zapata, Nelson, Flor Budia, Elisa Viñuela, and Pilar Medina. "Antifeedant and growth inhibitory effects of extracts and drimanes of Drimys winteri stem bark against Spodoptera littoralis (Lep., Noctuidae)." Industrial Crops and Products 30, no. 1 (2009): 119–25. http://dx.doi.org/10.1016/j.indcrop.2009.02.009.

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34

Muñoz, Alejandro A., Paulina Chacón, Fernanda Pérez, Elizabeth S. Barnert, and Juan J. Armesto. "Diversity and host tree preferences of vascular epiphytes and vines in a temperate rainforest in southern Chile." Australian Journal of Botany 51, no. 4 (2003): 381. http://dx.doi.org/10.1071/bt02070.

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Vines and epiphytes contribute importantly to the biodiversity of temperate rainforests of southern South America. However, compared with their tropical counterparts, these functional groups have received less attention. We evaluated diversity, floristic composition and relative abundance of vascular epiphytes and vines within a humid temperate forest in northern Chiloé Island, southern Chile. We assessed whether epiphyte and vine species exhibit preferences among host tree species and tested whether species richness on tree hosts differs from that expected by chance, by comparing observed fre

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35

Rebolledo, Ramón, Juan Abarzúa, Andrea Zavala, Andrés Quiroz, Marysol Alvear, and Alfonso Aguilera. "The effects of the essential oil and hydrolate of canelo (Drimys winteri) on adults of Aegorhinus superciliosus in the laboratory." Ciencia e investigación agraria 39, no. 3 (2012): 481–88. http://dx.doi.org/10.4067/s0718-16202012000300008.

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36

Zapata, Nelson, and Guy Smagghe. "Repellency and toxicity of essential oils from the leaves and bark of Laurelia sempervirens and Drimys winteri against Tribolium castaneum." Industrial Crops and Products 32, no. 3 (2010): 405–10. http://dx.doi.org/10.1016/j.indcrop.2010.06.005.

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37

Montenegro, Iván, Alejandro Madrid, Mauricio Cuellar, et al. "Biopesticide Activity from Drimanic Compounds to Control Tomato Pathogens." Molecules 23, no. 8 (2018): 2053. http://dx.doi.org/10.3390/molecules23082053.

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Tomato crops can be affected by several infectious diseases produced by bacteria, fungi, and oomycetes. Four phytopathogens are of special concern because of the major economic losses they generate worldwide in tomato production; Clavibacter michiganensis subsp. michiganensis and Pseudomonas syringae pv. tomato, causative agents behind two highly destructive diseases, bacterial canker and bacterial speck, respectively; fungus Fusarium oxysporum f. sp. lycopersici that causes Fusarium Wilt, which strongly affects tomato crops; and finally, Phytophthora spp., which affect both potato and tomato

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38

Jordan, M. "MORPHOGENIC RESPONSES AND IN VITRO REGENERATION OF CANELO (DRIMYS WINTERI J.R. ET FORSTER), A FOREST SPECIES USED IN CHILEAN TRADITIONAL MEDICINE." Acta Horticulturae, no. 502 (December 1999): 289–94. http://dx.doi.org/10.17660/actahortic.1999.502.46.

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39

Navarro Cárcamo, Celso, Miguel Angel Herrera, Fernando Drake Aranda, and Pablo J. Donoso. "Evaluación de la rentabilidad del manejo en bosques secundarios de canelo (Drimys winteri) en la Cordillera de la Costa de Valdivia, Chile." Bosque (Valdivia) 31, no. 3 (2010): 209–18. http://dx.doi.org/10.4067/s0717-92002010000300005.

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40

Pereira, D., H. Carrasco, and A. Astuya. "In vitro evaluation of immunomodulatory activity of total extracts of Canelo (Drimys winteri) and active compound polygodial in salmon head kidney cells." Fish & Shellfish Immunology 34, no. 6 (2013): 1728. http://dx.doi.org/10.1016/j.fsi.2013.03.281.

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41

Navarro Cárcamo, Celso, Miguel Angel Herrera, Fernando Drake Aranda, and Pablo J. Donoso. "Diagrama de manejo de densidad y su aplicación a raleo en bosques de segundo crecimiento de Drimys winteri en el sur de Chile." Bosque (Valdivia) 32, no. 2 (2011): 175–86. http://dx.doi.org/10.4067/s0717-92002011000200008.

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42

Pereira-Torres, D., A. T. Gonçalves, V. Ulloa, et al. "In vitro modulation of Drimys winteri bark extract and the active compound polygodial on Salmo salar immune genes after exposure to Saprolegnia parasitica." Fish & Shellfish Immunology 59 (December 2016): 103–8. http://dx.doi.org/10.1016/j.fsi.2016.10.035.

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43

Zapata, Nelson, Marisol Vargas, Pilar Medina, Elisa Viñuela, Benjamín Rodríguez, and Alberto Fereres. "The activity of a selected extract of Drimys winteri bark and polygodial on settling and probing behavior of the lettuce aphid Nasonovia ribisnigri." Phytoparasitica 38, no. 2 (2010): 191–99. http://dx.doi.org/10.1007/s12600-010-0087-7.

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44

Lusk, Christopher H., Mylthon Jiménez-Castillo, and Nicolás Salazar-Ortega. "Evidence that branches of evergreen angiosperm and coniferous trees differ in hydraulic conductance but not in Huber values." Canadian Journal of Botany 85, no. 2 (2007): 141–47. http://dx.doi.org/10.1139/b07-002.

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The hydraulic efficiency conferred by vessels is regarded as one of the key innovations explaining the historical rise of the angiosperms at the expense of the gymnosperms. Few studies, however, have compared the structure and function of xylem and their relationships with foliage traits in evergreen representatives of both groups. We measured sapwood cross-sectional area, conduit diameters, hydraulic conductance, and leaf area of fine branches (2.5–7.5 mm diameter) of five conifers and eight evergreen angiosperm trees in evergreen temperate forests in south-central Chile. Conductance of both

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45

Paz, Cristian, Viviana Burgos, Andres Iturra, et al. "Assessment of insecticidal responses of extracts and compounds of Drimys winteri, Lobelia tupa, Viola portalesia and Vestia foetida against the granary weevil Sitophilus granarius." Industrial Crops and Products 122 (October 2018): 232–38. http://dx.doi.org/10.1016/j.indcrop.2018.06.009.

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46

Tiznado-Granzotto, Rodrigo. "Caracterización estructural de un bosque pantanoso sin intervención antrópica en la comuna de Pitrufquén, Chile." Revista Latinoamericana de Difusión Científica 4, no. 6 (2021): 39–52. http://dx.doi.org/10.38186/difcie.46.04.

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Los bosques pantanosos de la zona Centro - Sur de Chile se distribuyen entre las regiones de Coquimbo a Los Lagos (30°- 41°28´ S). Destacan en la región de La Araucanía los bosques pantanosos denominados Pitrantos, dominados por Blepharocalyx cruckshanksii y Myrceugenia exsucca. Actualmente, los pitrantos se encuentran bajo el permanente estrés de las actividades antrópicas y podrían convertirse en ecosistemas extintos antes de ser científicamente conocidos. El objetivo de este trabajo es caracterizar estructuralmente un bosque pantanoso sin intervención antrópica en la comuna de Pitrufquén, C

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Giordani, Cristiano, Eleonora Spinozzi, Cecilia Baldassarri, et al. "Insecticidal Activity of Four Essential Oils Extracted from Chilean Patagonian Plants as Potential Organic Pesticides." Plants 11, no. 15 (2022): 2012. http://dx.doi.org/10.3390/plants11152012.

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Patagonia is a geographical area characterized by a wide plant biodiversity. Several native plant species are traditionally used in medicine by the local population and demonstrated to be sources of biologically active compounds. Due to the massive need for green and sustainable pesticides, this study was conducted to evaluate the insecticidal activity of essential oils (EOs) from understudied plants growing in this propitious area. Ciprés (Pilgerodendron uviferum), tepa (Laureliopsis philippiana), canelo (Drimys winteri), and paramela (Adesmia boronioides) EOs were extracted through steam dis

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Marin, Victor, Andres Iturra, Andres Opazo, et al. "Oxidation of Isodrimeninol with PCC Yields Drimane Derivatives with Activity against Candida Yeast by Inhibition of Lanosterol 14-Alpha Demethylase." Biomolecules 10, no. 8 (2020): 1101. http://dx.doi.org/10.3390/biom10081101.

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Candida species cause an opportunistic yeast infection called Candidiasis, which is responsible for more than 50,000 deaths every year around the world. Effective treatments against candidiasis caused by non-albicans Candida species such as C. glabrata, C. parapsilosis, C. aureus, and C. krusei are limited due to severe resistance to conventional antifungal drugs. Natural drimane sesquiterpenoids have shown promising antifungal properties against Candida yeast and have emerged as valuable candidates for developing new candidiasis therapies. In this work, we isolated isodrimeninol (C1) from bar

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Gorla, C. M., and S. C. J. G. A. Perez. "Influência de extratos aquosos de folhas de Miconia albicans Triana, Lantana camara L., Leucaena leucocephala (Lam) de Wit e Drimys winteri Forst, na germinação e crescimento inicial de sementes de tomate e pepino." Revista Brasileira de Sementes 19, no. 2 (1997): 261–66. http://dx.doi.org/10.17801/0101-3122/rbs.v19n2p261-266.

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Korosov, A. V. "Wintering conditions for the adder, Vipera berus (Viperidae, Reptilia), in the southern of Karelia." Current Studies in Herpetology 22, no. 3/4 (2022): 116–23. http://dx.doi.org/10.18500/1814-6090-2022-22-3-4-116-123.

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In the southern part of Karelia, on the Kizhi island, the temperature dynamics in piles of stones (collected by peasants from fields), in which the common viper takes shelter from the winter cold, was studied. A key role in experiencing winter is played by snow drifts covering the stones from the outside, and heat coming from the depths of the earth. It has been shown that in ordinary winters, the temperature stays at 0°C for three months in the winter shelters of the viper, often drops down to -2°C, and even lower for a short time. Thaws turn out to be disastrous, reducing the snow cover dept

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