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Efeito do substrato e da temperatura na germina??o de sementes de cataia (Drimys brasiliensis miers. winteraceae)
Abreu, Daniela Cleide A. de;Nogueira, Antonio Carlos;Medeiros, Antonio Carlos de Souza;
Revista Brasileira de Sementes , 2005, DOI: 10.1590/S0101-31222005000100019
Abstract: the aim of this research was to evaluate cataia (drimys brasiliensis miers. - winteraceae) seed germination under different, temperatures, substrate and stratification times. seeds were submitted to stratification method in green house, without controlled temperature, during 30, 60 and 90 days. filter paper, sand, vermiculite and agar 1% were tested as substrates. were compared constant temperatures of 17, 25 and 30oc under light, and alternate temperatures treatments of 20-30oc, adopting 20oc for 16 hours in absence of light and 30oc for 8 hours exposed to light. ivg (germination speed index) was obtained additionally as a vigor test, by counting normal seedlings everyday after sowing. cataia seeds showed 7% of moisture content (wet basis) at the beginning of the experiment. after 30, 60 and 90 days of sand stratification, these seeds presented 11,3%, 27,7% and 46,2% of moisture content, respectively. treatments with 30 and 60 days of sand stratification at 17oc obtained the highest germination percentage, of 67% and 52%, respectively. the highest percentage of germination was obtained after 30 days of sand stratification corresponding to 68% for substrates like agar, sand and filter paper, and 61% for vermiculite. for the treatment with 60 days of sand stratification, the highest germination percentages were 56%, 58% and 54% in agar, sand and filter paper, respectively, without statistic difference. the vigor seeds (ivg) were those that were sand stratified for 60 days and were transferred to agar, sand and filter paper to germinate, at 17oc, presenting germination rate of 0,55, 0,61 and 0,65. it was possible to conclude that 60 days of sand stratification is an efficient method to broken cataia seed dormancy. the higher rate an percentage of germination were obtained at constant temperature of 17oc with agar, sand and filter paper as substrates.
Chemical composition and anti-inflammatory evaluation of essential oils from leaves and stem barks from Drimys brasiliensis Miers (Winteraceae)
Lago, Jo?o Henrique G;Carvalho, Larissa A. C;Silva, Flávia S. da;Toyama, Daniela de O;Fávero, Oriana A;Romoff, Paulete;
Journal of the Brazilian Chemical Society , 2010, DOI: 10.1590/S0103-50532010000900024
Abstract: the essential oils from leaves and stem barks from drimys brasiliensis miers (winteraceae) were individually obtained by hydrodistillation and their compounds characterized by use of gc/fid and gc/ms. the main identified derivatives were monoterpenes (leaves 4.31% and stem barks 90.02%) and sesquiterpenes (leaves 52.31% and stem barks 6.35%). additionally, the sesquiterpene polygodial was isolated from hexane extract from stem barks of d. brasiliensis after chromatographic steps and characterized by spectroscopic means, mainly nmr. aiming the evaluation of anti-inflammatory potential, the crude essential oils and the sesquiterpene polygodial were subjected to bioassays to evaluate the acute toxicity of these compounds as well as the anti-inflammatory and antinociceptive activities induced by carrageenan and formalin in mices. ours results showed that essential oil obtained from the stem barks significantly reduced the oedema induced by carrageenan. the anti-inflammatory effect induced by stem barks oil (at 200 mg kg-1) was similar to observed for indomethacin (at 10 mg kg-1) and superior for polygodial (at 200 mg kg-1) in 30 and 60 min after the administration of essential oils. the inflammatory response induced by formalin was effective to the stem barks oil (62.5%) in comparison to polygodial (50.0%).
Estrutura populacional e incremento corrente anual de casca-de-anta (Drimys brasiliensis Miers - Winteraceae) em Ca?ador, Santa Catarina, Brasil
Mariot, A;Mantovani, A;Bittencourt, R;Ferreira, D.K;Reis, M.S;
Revista Brasileira de Plantas Medicinais , 2010, DOI: 10.1590/S1516-05722010000200008
Abstract: known as "cataia" or "casca-de-anta", drimys brasiliensis miers is a tree native to the atlantic forest and its barks have been medicinally used by exploring natural populations. the present work aimed to study the demography of two d. brasiliensis natural populations, (1) ca?ador forest genetic reserve (rgfc) and(2) ca?ador national forest (flona), both located in ca?ador municipality, santa catarina state, brazil, in order to establish strategies for sustainable exploration and conservation of such non-timber forest resource. the higher luminosity in flona understory was beneficial to the species by increasing their increment capability regarding diameter at breast height (dbh), height (h) and basal area (ba), and made the reproduction in smaller plants earlier. the spatial analysis of reproductive plants in rgfc had an aggregate pattern, whereas in flona until 25m distance was detected. such results indicated that this species presents potential for management in secondary forests, the successional formation where the major atlantic forest remnants are found, as well as potential for cultivation in agroforestry systems.
Growth of Drimys brasiliensis in the Araucaria Forest, Colombo, State of Parana, Brazil Crescimento de Drimys brasiliensis na Floresta Ombrófila Mista, Colombo, PR
Mariana Ferraz de Oliveira,Patrícia Póvoa de Mattos
Pesquisa Florestal Brasileira , 2010, DOI: 10.4336/2012.pfb.61.79
Abstract: Drimys brasiliensis Miers, locally know as cataia or casca-d′anta, is a Winteraceae, common in Araucaria Forest, and considered an important species in management and conservation plans. Due to its relevance, it is important to obtain information about its development and growth, which was the main objective of the present work. Non destructive samples were collected from adult trees of Drimys brasiliensis, in a secondary forest, located in Colombo, Parana State, Brazil. It was observed average annual diametric increment of 0.32 cm, and 0.01 m2 of average annual transversal area increment. doi: 10.4336/2010.pfb.30.61.79 Drimys brasiliensis Miers, conhecida como cataia ou casca-d’anta, é uma espécie da família Winteraceae, típica da Floresta Ombrófila Mista (FOM) e considerada como uma espécie muito importante em planos de manejo e conserva o. Devido a isso, buscam-se novas informa es sobre seu desenvolvimento e crescimento, objetivo principal do presente trabalho. Foram coletadas amostras n o destrutivas de dez árvores adultas de Drimys brasiliensis, em uma floresta secundária localizada no Município de Colombo, Estado do Paraná. Observou-se 0,32 cm de incremento diamétrico anual médio, representando 0,01 m2 de incremento anual médio em área transversal. doi: 10.4336/2010.pfb.30.61.79
Chemical characterization of essential oils from Drimys angustifolia miers (Winteraceae) and antibacterial activity of their major compounds
Santos, Thalita G.;Dognini, Jocinei;Begnini, Iêda M.;Rebelo, Ricardo A.;Verdi, Marcio;Gasper, André L. de;Dalmarco, Eduardo M.;
Journal of the Brazilian Chemical Society , 2013, DOI: 10.1590/S0103-50532013000100020
Abstract: essential oils have been extensively studied in recent years as a natural source of new antimicrobial agents. in this work, essential oils of leaf and branch from drimys angustifolia growing in southern brazil were obtained by hydrodistillation and analyzed by gas chromatographies with flame ionization detector (gc-fid) and with mass spectrometer (gc-ms). drimenol and bicyclogermacrene were isolated by column chromatography from branch and leaf essential oils, respectively. oils, isolated compounds and combinations of them were assayed against gram-(+) and gram-(-) bacteria. the oils showed to be more active against bacillus cereus, with minimum inhibitory concentration (mic) 125 and 250 μg ml-1 for branch and leaf oils, respectively, strongly inhibiting bacterial growth. bicyclogermacrene was more active then drimenol, providing a mic value of 167 μg ml-1 against b. cereus. synergism was not observed in any of the combinations tested.
Biological assessment (antiviral and antioxidant) and acute toxicity of essential oils from Drimys angustifolia and D. brasiliensis  [cached]
Madson Ralide Fonseca Gomes,Roselena Silvestri Schuh,Ana Laura Bemvenuti Jacques,Gilcéia G. Dorneles
Revista Brasileira de Farmacognosia , 2012, DOI: 10.1590/s0102-695x2012005000142
Abstract: The genus Drimys presents the widest geographical distribution of the Winteraceae family, which comprises seven genera and about 120 species. In Brazil, the genus is found from Bahia to Rio Grande do Sul and occur in two species, Drimys angustifolia Miers, and D. brasiliensis Miers, Winteraceae, popularly known as "casca-de-anta", characterized by the presence of flavonoids and essential oils. It is used in folk medicine as an antiscorbutic, stimulant, antispasmodic, anti-diarrheal, antipyretic, antibacterial, and against asthma and bronchitis, besides having insecticidal properties. In addition to the known biological activities, it is very important to explore new applications in the treatment of physiological disorders or diseases caused by parasites. Based on this information, in this study we propose to evaluate volatile oils of the species D. brasiliensis and D. angustifolia, as an antioxidant, using the model of the DPPH radical as an antiviral against human herpes virus type 1 (HSV-1) and acute toxicity in vivo. The two species were not able to reduce the DPPH radical and showed interesting antiviral activity, significantly reducing the virus titers in vitro assays. Regarding the in vivo toxicity in female Wistar rats, treatment with the two species showed interesting signs in animals such as salivation, ptosis, tremor, decreased motor activity. In addition the oils of D. brasiliensis to other signs, some animals showed increased urination and diarrhea.
Biological assessment (antiviral and antioxidant) and acute toxicity of essential oils from Drimys angustifolia and D. brasiliensis  [cached]
Madson Ralide Fonseca Gomes,Roselena Silvestri Schuh,Ana Laura Bemvenuti Jacques,Gilcéia G. Dorneles
Revista Brasileira de Farmacognosia , 2013,
Abstract: The genus Drimys presents the widest geographical distribution of the Winteraceae family, which comprises seven genera and about 120 species. In Brazil, the genus is found from Bahia to Rio Grande do Sul and occur in two species, Drimys angustifolia Miers, and D. brasiliensis Miers, Winteraceae, popularly known as "casca-de-anta", characterized by the presence of flavonoids and essential oils. It is used in folk medicine as an antiscorbutic, stimulant, antispasmodic, anti-diarrheal, antipyretic, antibacterial, and against asthma and bronchitis, besides having insecticidal properties. In addition to the known biological activities, it is very important to explore new applications in the treatment of physiological disorders or diseases caused by parasites. Based on this information, in this study we propose to evaluate volatile oils of the species D. brasiliensis and D. angustifolia, as an antioxidant, using the model of the DPPH radical as an antiviral against human herpes virus type 1 (HSV-1) and acute toxicity in vivo. The two species were not able to reduce the DPPH radical and showed interesting antiviral activity, significantly reducing the virus titers in vitro assays. Regarding the in vivo toxicity in female Wistar rats, treatment with the two species showed interesting signs in animals such as salivation, ptosis, tremor, decreased motor activity. In addition the oils of D. brasiliensis to other signs, some animals showed increased urination and diarrhea.
Ara as asociadas a la floración de Drimys granadensis (Winteraceae) Spiders associated with the flowering of Drimys granadensis (Winteraceae)
XAVIER MARQUíNEZ,CEPEDA JULIANA,KATHERINE LARA,RODRIGO SARMIENTO
Revista Colombiana de Entomología , 2010,
Abstract: Drimys granadensis (Winteraceae) es un árbol frecuente en los bosques altoandinos, con un sistema de polinización entomófilo abierto. En este trabajo se identificaron las ara as asociadas a D. granadensis en relación con las fases fenológicas florales y con los insectos visitantes. Encontramos un total de 53 adultos de ara as de siete familias (Araneidae, Thetragnathidae, Theridiidae, Linyphiidae, Thomisidae, Salticidae y Aniphaenidae) y 12 morfoespecies. Las ara as tuvieron preferencia por flores en fase femenina y hermafrodita donde los dípteros fueron más abundantes. Se encontró una especie de Thwaitesia (Theridiidae) forrajeando exudados de los estigmas. Esta especie presenta abdomen con coloración similar a las anteras y un cuerpo transparente que le ayuda a pasar desapercibida dentro de las flores. El camuflaje es también usado para cazar por una especie de Misumena (Thomisidae) que se asemeja en color y forma a un botón floral de D. granadensis. Drimys granadensis (Winteraceae) is a common tree in the high-Andean forests, with a system of open pollinatión by insects. In this work we identified the spiders associated with D. granadensis in relatión to the floral phenological phases and the visiting insects. We found a total of 53 mature spiders from seven families (Araneidae, Thetragnathidae, Theridiidae, Linyphiidae, Thomisidae, Salticidae and Aniphaenidae) and 12 morphospecies. The spiders had a preference for flowers in the female and hermaphrodite phases where the dipterans were more abundant. We found a species of Thwaitesia (Theridiidae) foraging exudates of the stigmata. This species has an abdomen with coloratión similar to the anthers and a transparent body that helps them be imperceptible in the flowers. The camouflage is also used to hunt by a species of Misumena (Thomisidae), which is similar in color and form to a D. granadensis flower bud.
FENOLOGíA FLORAL Y VISITANTES FLORALES EN Drimys granadensis (WINTERACEAE)  [cached]
Marquínez-Casas Xavier,Sarmiento Rodrigo,Lara Katherine
Acta Biológica Colombiana , 2009,
Abstract: El propósito de este trabajo fue caracterizar las fases fenológicas florales y determinar los visitantes florales en una población natural de Drimys granadensis (Winteraceae) ubicada en Altos de Yerbabuena (2850 m), cerros orientales de la Sabana de Bogotá, (Colombia). El desarrollo fenológico floral duró 9.5 días cuando la floración ocurrió en época soleada, 12.5 días en época lluviosa y 16 días cuando se excluyeron a los visitantes florales mediante embolsado. Se realizaron observaciones del recurso utilizado, fase fenólogica de la flor visitada y cargas polínicas en los visitante florales, los cuales correspondieron a 6 órdenes, 21 familias y 29 morfoespecies de insectos. Cuatro especies de coleópteros y dos de dípteros fueron considerados posibles polinizadores por su abundancia y carga de polen. Los resultados obtenidos se discuten en relación con aquellos reportados en otras especies del género Drimys y de la familia Winteraceae.
Ara?as asociadas a la floración de Drimys granadensis (Winteraceae)
MARQUíNEZ,XAVIER; JULIANA,CEPEDA; LARA,KATHERINE; SARMIENTO,RODRIGO;
Revista Colombiana de Entomología , 2010,
Abstract: drimys granadensis (winteraceae) is a common tree in the high-andean forests, with a system of open pollinatión by insects. in this work we identified the spiders associated with d. granadensis in relatión to the floral phenological phases and the visiting insects. we found a total of 53 mature spiders from seven families (araneidae, thetragnathidae, theridiidae, linyphiidae, thomisidae, salticidae and aniphaenidae) and 12 morphospecies. the spiders had a preference for flowers in the female and hermaphrodite phases where the dipterans were more abundant. we found a species of thwaitesia (theridiidae) foraging exudates of the stigmata. this species has an abdomen with coloratión similar to the anthers and a transparent body that helps them be imperceptible in the flowers. the camouflage is also used to hunt by a species of misumena (thomisidae), which is similar in color and form to a d. granadensis flower bud.
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