salix/listă de antioxidanți

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Evaluation of antioxidant activity of Salix caprea flowers.

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The study was aimed at evaluating the antioxidant activity of an ethanol extract of Salix caprea L. (Salicaceae) flowers. The extract was found to possess a large amount of polyphenols and also exhibited a high reducing ability. The extract significantly and dose dependently scavenged DPPH,

Bioactive secondary metabolites from Salix tetrasperma Roxb.

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Column chromatography of the light petroleum fraction from the methanolic extract of the stem bark of Salix tetrasperma Roxb. (Salicaceae) resulted in the isolation of beta-sitosterol acetate, friedelin, 3beta-friedelinol, beta-amyrin, beta-sitosterol, beta-sitosterol-O-glucoside in addition to

Factors influencing the variability of antioxidative phenolic glycosides in Salix species.

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Phenolic glycosides, especially the salicylates, are important secondary metabolites in the bark of willows (Salix spp.). Because of their anti-inflammatory, analgesic, and fever-reducing properties, they are of particular interest to society. Compared to the fabrication of synthetic salicylacetylic

[Constituents and Antioxidant Activity in vitro of Salix microstachya var. bordensis].

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OBJECTIVE To explore the chemical constituents of Salix microstachya var. bordensis and their antioxidant activities. METHODS Column chromatography was used for separation, NMR, UV and MS spectroscopic methods were used for structure identification. Using Vc and BHT as positive controls, free

The Salix psammophila SpRLCK1 involved in drought and salt tolerance.

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Receptor-like cytoplasmic kinases (RLCKs) play critical roles in biotic and abiotic stress responses in plants. However, the functions of RLCKs from the desert shrub willow Salix psammophila have not been characterized. Here, we focused on the biological function of SpRLCK1, which was previously

Bioaccessibility in vitro of nutraceuticals from bark of selected Salix species.

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The aim of this study was to investigate and to compare the extractability, bioaccessibility, and bioavailability in vitro of antioxidative compounds from bark of selected Salix species: S. alba (SA), S. daphnoides (SD), S. purpurea (SP), and S. daphnoides x purpurea (SDP) hybrid willow clones

Exogenous spermidine elevating cadmium tolerance in Salix matsudana involves cadmium detoxification and antioxidant defense.

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In this study, exogenous spermidine role on Salix matsudana tolerance to cadmium was evaluated. Spermidine and cadmium presented antagonistic effects on the biomass, copper and zinc concentrations in S. matsudana. cadmium mainly distributed in the cell wall of subcellular fraction; 46.97%-60.43% of

Fluctuation of oxidative stress indicators in Salix nigra seeds during priming.

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Salix nigra seeds subjected to increased humidification show a decrease in normal germination (NG) during early imbibition followed by a recovery in that parameter at increasing imbibition times. Since photo-oxidized seeds contain high levels of reactive oxygen species (ROS), it is possible to infer

Chemical composition and pharmacological potential of aromatic water from Salix caprea inflorescence.

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OBJECTIVE To evaluate the chemical composition and pharmacological potential of hydro distillate from Salix caprea inflorescence. METHODS Fresh flowers were subjected to conventional hydrodistillation. Antioxidant activity was assessed as free radical scavenging capacity (RSC) towards 2,

Growth, accumulation, and antioxidative responses of two Salix genotypes exposed to cadmium and lead in hydroponic culture.

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Cd and Pb are a toxic environmental pollutant, and their elevated concentrations in the waters and soils could exert detriment effects on human health by food chain. In order to evaluate the capacity to heavy metal accumulation and the physiochemical responses of two Salix genotypes, a 35-day

Salix alba attenuated oxidative stress in the heart and kidney of hypercholesterolemic rabbits.

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UNASSIGNED Oxidative stress plays a critical role in the development of hypercholesterolemia-induced complications. This study evaluated the effects of aspirin and Salix alba hydroethanolic extract on oxidative stress in the heart and kidney of hypercholesterolemic rabbits. UNASSIGNED The

Stabilization of sunflower oil with pussy willow (Salix aegyptiaca) extract and essential oil.

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The aim of present study was to evaluate antioxidant efficacy of pussy willow extract (PWE) and essential oil (PWEO) in stabilization of sunflower oil (SFO) during ambient storage (60 days at 25°C). Initially, total phenolic (TP) and total flavonoid (TF) contents were evaluated. Then, PWE, PWEO, and

Phytoremediation of lead, nickel, and copper by Salix acmophylla Boiss.: role of antioxidant enzymes and antioxidant substances.

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Biodiversity of Salix spp. honeydew and nectar honeys determined by RP-HPLC and evaluation of their antioxidant capacity.

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Rare unifloral willow (Salix spp.) honeys obtained from nectar or honeydew were investigated by direct RP-HPLC-DAD method in order to identify and quantify compounds that can be used as possible markers of their origin. Antioxidant and antiradical activities of willow honeys were evaluated using

Agaricus bisporus compost improves the potential of Salix purpurea × viminalis hybrid for copper accumulation.

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The aim of the study was to determine the ability of spent mushroom compost (SMC) from the production of Agaricus bisporus (A. bisporus) to stimulate the growth and efficiency of copper (Cu) accumulation by Salix purpurea × viminalis hybrid. Roots, shoots and leaves were analysed in terms of total

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