Top Document: diabetes FAQ: treatment (part 3 of 5) Previous Document: What's the real published scientific knowledge about pycnogenol? Next Document: What's the bottom line on pycnogenol? See reader questions & answers on this topic! - Help others by sharing your knowledge Written by Laura Clift. Masquelier J, Michaud J, Laparra J, Dumon MC. Flavanoids et pycnogenols. Int J Vit Nutr Res 1979;49(3):307-11. Article in French. Abstract states that the article describes pycnogenol chemically designating the compound as "pycnogenol" to distinguish it from the hundreds of other bioflavanoinds. Uchida S, Edamastu R, Hiramatsu M, et al. Condensed tannins scavenge active oxygen free radicals. Med Sci Res 1987;15:831-2. Pycnogenol is a free radical scavenger (anti-oxidant) in vitro (outside of a living animal, or, in a petri plate). Lagrue G, Oliver-Martin F, Grillot A. Etude des effects des oliomeres du procyanidol sur la resistance capillaire dans l'hypertension arterielle et certains nephropathies. La semaine des Hopitaux de Paris 1981; 57:1399-1401. French article. Abstract states capillary resistance increased in 25 patients. No dose amount or route of administration in the abstract. Cahn J, Borzeix MG. Etude de l'administration des oligomeres du procyanidoliques chez le rat: Effets observes sur les alterations de la permeabilite de la barrier hematoencephalique. La semaine des Hopitaux de Paris 1983;59:2031-4. French article. Abstract states that pycnogenol crosses the blood-brain barrier in the rat and affects capillary permeability. Route and dose not presented in abstract. Tixier JM, Godeau G, Rober AM, Hornebeck W. Evidence by in vivo and in vitro studies that binding of pycnogenols to elastin affects its rate of degradation by elastases. Biochem Pharmacol 1984;33(24):3933-9. Study with (+) catechin and pycnogenol (states they are related substances, but act differently, including the results of this study). Pycnogenol prevents the break down of elastin in vitro and in rabbits. Kuttan R, Donnelly PV, DiFerrainte N. Collagen treated with (+)-catechin becomes resistant to the action of mammalian aollagenase. Experentia 1981;37:221-3. (+) catechin is not pycnogenol (see above). Study does not investigate pycnogenol. Reimann HJ, Lorenz W, Fischer M, et al. Histamine and acute hemorrhagic lesions in rat gastric mucosa: prevention of stress ulcer formation by (+)-catechin, an inhibitor of specific histidine decarboxylase in vitro. Agents and Actions 1977;71:69-72. (+) catechin is not pycnogenol (see above). Study does not investigate pycnogenol. Markle RA, Hollis TM. Rabbit aortic endothelial and medical histamine synthesis following short-term cholesterol feeding. Exp Mol Pathol 1975;23:117-23. Markle RA, Hollis TM. Variations in rabbit aortic endothelial and medical histamine synthesis in pre- and early experimental atherosclerosis. Proc Soc Exp Biol Med 1977;155:365-8. Hollis TM, Furniss JV. Relationship between aortic histamine formation and aortic albumin permeability in atherogenesis. Proc Soc Exp Biol Med 1980;165:271-4. Does not study pycnogenol or any bioflavanoid. Logic may go like this: pycnogenol is similar to (+) catechin which can effect histamines. Here are some cardiac/circulatory problems that are affected by histamine. Therefore, pycnogenol will prevent these diseases. Logic may be OK for a hypothesis but is flawed as a conclusion, especially since (+) catechin and pycnogenol act differently in most studies (see above). Feine-Haake G. A new therapy for venous diseases with 3,3,4,4,5,7-hexa-dihydro-flauan. Z Allgemeinmed 1975;51(18):839. German article, no abstract translation; chemical name implies (+)-catechin was studied. Blazso G, Gabor M. Oedema-inhibiting effect of procyanidin. Acta Physiol Acad Sci Hung 1980;56(2):235-40. Chemically induced edema of a rat's paw was decreased with intraperitoneal injections of pycnogenol. User Contributions:Comment about this article, ask questions, or add new information about this topic:Top Document: diabetes FAQ: treatment (part 3 of 5) Previous Document: What's the real published scientific knowledge about pycnogenol? Next Document: What's the bottom line on pycnogenol? Part1 - Part2 - Part3 - Part4 - Part5 - Single Page [ Usenet FAQs | Web FAQs | Documents | RFC Index ] Send corrections/additions to the FAQ Maintainer: edward@paleo.org
Last Update March 27 2014 @ 02:11 PM
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