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tremuloidin/populus
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6 resultados
Phenolic Compounds from Populus alba L. and Salix subserrata Willd. (Salicaceae) Counteract Oxidative Stress in Caenorhabditis elegans.
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Utilizing bioassay- and TLC-guided column chromatography, fifteen secondary metabolites from Populus alba and eight compounds from Salix subserrata were isolated, including a novel plant metabolite salicyl ether and characterized using ultralviolet light (UV) absorbance, mass
UHPLC-ESI/TOFMS determination of salicylate-like phenolic gycosides in Populus tremula leaves.
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Associations of salicylate-like phenolic glycosides (PGs) with biological activity have been reported in Salix and Populus trees, but only for a few compounds, and in relation to a limited number of herbivores. By considering the full diversity of PGs, we may improve our ability to recognize
[Chemical constituents contained in Populus tomentosa].
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OBJECTIVE
To separate and identify chemical constituents from stem barks of male plants of Populus tomentosa.
METHODS
Fresh stem barks of P. tomentosa were extracted with methanol to obtain extracts which were suspended in water and blended successively with petroleum ether, ethyl acetate and
Functional characterization of two acyltransferases from Populus trichocarpa capable of synthesizing benzyl benzoate and salicyl benzoate, potential intermediates in salicinoid phenolic glycoside biosynthesis.
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Salicinoids are phenolic glycosides (PGs) characteristic of the Salicaceae and are known defenses against insect herbivory. Common examples are salicin, salicortin, tremuloidin, and tremulacin, which accumulate to high concentrations in the leaves and bark of willows and poplars. Although their
Rhizosphere microbiomes diverge among Populus trichocarpa plant-host genotypes and chemotypes, but it depends on soil origin.
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Identification and Functional Verification of Differences in Phenolic Compounds Between Resistant and Susceptible Populus Species.
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Poplar canker, mainly caused by Botryosphaeria species, is a serious disease that has resulted in the reduced productivity and death of poplar worldwide. Different Populus species have varied resistance levels to poplar canker; however, whether phenolic compounds in poplar are involved
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