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Página 1 a partir de 26 resultados
Influence on longevity of blueberry, cinnamon, green and black tea, pomegranate, sesame, curcumin, morin, pycnogenol, quercetin, and taxifolin fed iso-calorically to long-lived, F1 hybrid mice.
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Phytonutrients reportedly extend the life span of Caenorhabditis elegans, Drosophila, and mice. We tested extracts of blueberry, pomegranate, green and black tea, cinnamon, sesame, and French maritime pine bark (Pycnogenol and taxifolin), as well as curcumin, morin, and quercetin for their effects
An insight into the health-promoting effects of taxifolin (dihydroquercetin).
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Taxifolin (3,5,7,3,4-pentahydroxy flavanone or dihydroquercetin) is a flavonoid commonly found in onion, milk thistle, French maritime pine bark and Douglas fir bark. It is also used in various commercial preparations like Legalon™, Pycnogenol®, and Venoruton®. This review
Austrian pine phenolics are likely contributors to systemic induced resistance against Diplodia pinea.
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The molecular basis of the systemic induced resistance (SIR) phenotype known to occur in Austrian pine (Pinus nigra J.F. Arnold) in response to the tip blight and canker pathogen Diplodia pinea (Desm.) remains unclear. Specialized metabolites such as phenolics are considered to be an important
Treatment of ADHD with French maritime pine bark extract, Pycnogenol.
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Attention Deficit/Hyperactivity Disorder (ADHD) is the most common psychiatric disorder in children. Pycnogenol, an extract from the bark of the French maritime pine, consisting of phenolic acids, catechin, taxifolin and procyanidins, has shown improvement of ADHD in case reports and in an open
Pharmacology in health foods: improvement of vascular endothelial function by French maritime pine bark extract (Flavangenol).
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Flavangenol is the French maritime pine bark extract (PBE). It consists of a concentrate of pine bark constituents such as catechin, taxifolin, and proanthocyanidins. Recent studies have shown that PBE has a strong antioxidant effect and exerts ameliorative effects on cardiovascular, skin,
Distribution of Constituents and Metabolites of Maritime Pine Bark Extract (Pycnogenol®) into Serum, Blood Cells, and Synovial Fluid of Patients with Severe Osteoarthritis: A Randomized Controlled Trial.
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The present randomized controlled study aimed to investigate the in vivo distribution of constituents or metabolites of the standardized maritime pine bark extract Pycnogenol®. Thirty-three patients with severe osteoarthritis scheduled for a knee arthroplasty were randomized to receive either 200 mg
Chromatographic fingerprint analysis of Pycnogenol dietary supplements.
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The bark of maritime pine (Pinus pinaster Aiton) has been widely used as a remedy for various degenerative diseases. A standard high-performance liquid chromatographic (HPLC) procedure for Pycnogenol analysis is a method specified in the United States Pharmacopeia (USP) monograph, which requires
Separation and isolation of major polyphenols from maritime pine (Pinus pinaster) knots by two-step centrifugal partition chromatography monitored by LC-MS and NMR.
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Pine knots are a rich source of lignans, flavonoids and stilbenes. These bioactive compounds are widely known for their roles to combat human disorders but also to protect plants against pathogens. In order to gain knowledge inside their potential activities, a suitable isolation and purification of
Facilitated uptake of a bioactive metabolite of maritime pine bark extract (pycnogenol) into human erythrocytes.
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Many plant secondary metabolites exhibit some degree of biological activity in humans. It is a common observation that individual plant-derived compounds in vivo are present in the nanomolar concentration range at which they usually fail to display measurable activity in vitro. While it is debatable
Bioflavonoid effects on the mitochondrial respiratory electron transport chain and cytochrome c redox state.
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The polyphenolic structure common to flavonoids enables them to donate electrons and exert antioxidant activity. Since the mitochondrial electron transport chain consists of a series of redox intermediates, the effect of flavonoids in a complex mixture of polyphenols, as well as related pure
Plasma protein binding of polyphenols from maritime pine bark extract (USP).
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Maritime pine bark extract is monographed in the United States Pharmacopeia (USP) as a dietary supplement. As knowledge about active principles - protein interactions contribute to insights into pharmacokinetic and pharmacodynamic properties we elucidated the plasma protein binding of various
Urinary metabolites of French maritime pine bark extract in humans.
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After oral administration of 5.28 g and 1.06 g of French maritime pine bark extract to a human volunteer, metabolites of some of the components of the extract could be detected. Ferulic acid and taxifolin, conjugated as glucuronide/sulphate, were excreted within 18 h. The peak urinary excretion was
Pycnogenol, French maritime pine bark extract, augments endothelium-dependent vasodilation in humans.
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Pycnogenol, an extract of bark from the French maritime pine, Pinus pinaster Ait., consists of a concentrate of water-soluble polyphenols. Pycnogenol contains the bioflavonoids catechin and taxifolin as well as phenolcarbonic acids. Antioxidants, such as bioflavonoids, enhance endothelial nitric
(1S,2R,4S,5S)-angelicoidenol-2-o-β-D-glucopyranoside-A moose deterrent compound in Scots pine (Pinus sylvestris L.).
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Hydrophilic extracts of Scots pine (Pinus sylvestris L.) twigs have been investigated for palatability to moose in feeding experiments. The predominant repellent effect was observed from the 2-O-β-D-glucopyranoside of the monoterpene (1S,2R,4S,5S)-angelicoidenol. Of other isolated and tested
Weak responses of pine sawfly larvae to high needle flavonoid concentrations in scots pine.
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Responses of sawfly larvae (Hymenoptera, Diprionidae) to the flavonoid taxifolin glucoside in their host plant were studied in a laboratory experiment. Larvae ofNeodiprion sertifer andDiprion pini were raised from egg hatch to cocoon spinning on two Scots pine (Pinus sylvestris) chemotypes, one
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