Results 161 to 170 of about 2,670 (196)
Leaf-Level Bidirectional Exchange of Formaldehyde on Deciduous and Evergreen Tree Saplings. [PDF]
ACS Earth Space ChemShutter JD, Cox JL, Keutsch FN.
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Amazonian useful plants described in the book "Le Pays des Amazones" (1885) of the Brazilian propagandist Baron de Santa-Anna Nery: a historical and ethnobotanical perspective. [PDF]
J Ethnobiol EthnomedSilva LNR, Oliveira ECP, Baratto LC.
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A New Diterpene Isolated from the Resin of Hymenaea Courbaril
Chemistry of Natural Compounds, 2015Hymenaea courbaril, a traditional medicinal plant from Brazil, produces a resin rich in terpenoid compounds, mainly diterpenes. The resin and others parts are used in folk medicine for treatment of several pathologies. Fractionation of the resin by silica gel open column chromatography afforded two compounds: (5S,9S,10R)-ent-labd-8(17)-en-15 ethyl ...
P. N. Bandeira +4 more
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Carbohydrate Research, 1997 The xyloglucan from cotyledons of Hymenaea courbaril was hydrolysed with endo-(1,4)-beta-D-glucanase (cellulase) and analysed by TLC and HPAEC. The limit digest was different from those obtained from xyloglucans of Tamarindus indica and Copaifera langsdorffii.
Buckeridge, M.S. +5 more
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Agoutis (Dasyprocta punctata): The Inheritors of Guapinol (Hymenaea courbaril: Leguminosae)
Tasks for Vegetation Science, 1986Hymenaea courbaril (guapinol) is a large-seeded neotropical tree that owes much of its present widespread distribution to seed dispersal by agoutis. Guapinol fruit and fruiting traits influence the fate of a pod’s seeds by affecting agouti scatterhoarding behavior. Agoutis transport pods of experimental fruit crops 0−200+ m.
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Tolerance of Hymenaea courbaril L. to glyphosate
Ecotoxicology, 2021The objective was to evaluate the effect of the glyphosate on Hymenaea courbaril L. A randomized block design with five replications was implemented. Each experimental unit was composed of one plant in a 5 L container. The treatments were 0 "control"; 96; 240; 480; and 960 g ha-1 "corresponding to 10, 25, 50, and 100% of the commercial dose of ...
Giselle Santos de Faria +6 more
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Xyloglucan from the leaves of Hymenaea courbaril
Phytochemistry, 2001A fucosylated xyloglucan was isolated from the leaves of Hymenaea courbaril by alkaline extraction, followed by ethanol precipitation and ion-exchange chromatography. The isolated polysaccharide showed Glc:Xyl:Gal:Fuc in molar ratio of 8:5:2.5:1 and (D)(25) +40.5 degrees.
A P, Busato +2 more
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Annual Growth Rings in a Sample of Hymenaea Courbaril
IAWA Journal, 2006Several tropical tree species form regular growth rings that may be annual and thus be useful in paleoclimate reconstructions. Regular growth rings were observed in one stem disk of the tropical legume Hymenaea courbaril harvested near the city of David, Panama. By comparison to annual reference Δ14C values from temperate tree wood and air, Δ14C values
Jessica A. Westbrook +2 more
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Sesquiterpenes in leaf pocket resin of Hymenaea courbaril
Phytochemistry, 1972Abstract The major sesquiterpene hydrocarbons of Hymenaea courbaril leaf pocket resin were identified as caryophyllene and α- and β-selinene; α-cubebene, α-copaene, β-copaene, α- and β-humulene, γ-muurolene, and δ-cadinene were also present in smaller amounts.
Susan S. Martin +2 more
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THE SHOOT APEX OF HYMENAEA COURBARIL (LEGUMINOSAE)
American Journal of Botany, 1975Shoot apices of Hymenaea courbaril are representative of those of many distichous plants, showing sharp intraplastochronic changes as a result of differential growth of the most recently formed primordium and the apical meristem proper.
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