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Inglês

Francês

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Inglês

flavonic molecule

Francês

molécule flavonique

Última atualização: 2014-11-15
Frequência de uso: 5
Qualidade:

Referência: IATE

Inglês

it has now been found that the flavonic derivatives present in the extracts of vitis vinifera form complexes with advantageous properties with natural or synthetic phospholipids, and a first object of the invention is constituted by the complexes formed by the reaction of phospholipids of vegetable, animal or synthetic origin with the extract of vitis vinifera, said phospholipids corresponding to the formula: ##str1## in which r and r.sub.1, being identical or different, represent the acyl groups from natural fatty acids such as palmitic, stearic, oleic, linoleic and linolenic acids, while or.sub.2 is derived from an aliphatic amino-alcohol with the formula r.sub.2 oh, such that r.sub.2 represents ch.sub.2 --ch.sub.2 --n.sup.+ (ch.sub.3).sub.3 : ch.sub.2 --ch.sub.2 --nh.sub.2 : or ##str2## the preferred phospholipids are lecithin from soya or from eggs, phospholipids from brain and skin of cattle or pigs and the phosphatidylcholines, phosphatidylserines and phosphatidylethanolamines, the ester groups of which are derived from the previously mentioned fatty acids.

Francês

on a maintenant trouvé que les dérivés flavoniques présents dans les extraits de vitis vinifera forment avec des phospholipides naturels ou synthétiques des complexes aux propriétés pharmacologiques avantageuses et un premier objet de l'invention est constitué des complexes formés par réaction avec l'extrait des vitis vinifera de phospholipides, d'origine végétale, animale ou synthétique, qui répondent à la formule générale : dans laquelle r et r₁ identiques ou différents représentent les groupes acyles des acides gras naturels tels que les acides palmitique, stéarique, oléique linoléique et linolénique tandis que or₂ dérive d'un aminoalcool aliphatique de formule r₂oh, tel que r₂ représente ch₂-ch₂-n⁺(ch₃)₃ ; ch₂-ch₂-nh₂ ; ou les phospholipides préférés sont la lécithine de soja ou d'oeuf, les phospholipides de cervelle et de peau de boeuf ou de porc et les phosphatidylcholines, phosphatidylserines et phosphatidyléthanolamines, dont les groupes esters dérivent des acides gras précédemment cités.

Última atualização: 2014-12-03
Frequência de uso: 1
Qualidade:

Referência: IATE

Inglês

the extracts of vitis vinifera are used at present in human therapeutics principally in the treatment of hepatic and vascular diseases or in ophthalmology the mechanism of pharmacological action of these flavonic derivatives, and particularly of the catechic flavonoids, seems bound up principally with their anti-oxidant activity and their activity as scavengers of free radicals, which is shown by their action on lipid peroxidation processes, their stabilizing effect on membranes and their action on the prostaglandin chain, as well as by their interaction with the humoral and tissue enzymatic systems.

Francês

les extraits de vitis vinifera sont actuellement utilisés en thérapeutique humaine principalement dans le traitement des maladies hépatiques, vasculaires ou en ophtalmologie. le mécanisme d'action pharmacologique de ces dérivés flavoniques, et spécialement des flavonoïdes catéchiques semble lié principalement à leur activité antioxydante et de pièges de radicaux libres qui se manifeste par leur action sur les processus de peroxydation lipidique, leur effet stabilisant des membranes et leur action sur la chaíne prostaglandinique, ainsi que par leur interaction avec les systèmes enzymatiques humoraux et tissulaires. fr-a-2073251 décrit des complexes de flavonoïdes, mais avec des polyacides alcools.

Última atualização: 2014-12-03
Frequência de uso: 1
Qualidade:

Referência: IATE

Inglês

derivatives of glycoside bioflavonoids having general formula wherein p represents the flavonic residue containing phenolic hydroxyls and r' represents h, (co-r-co-o-x) , wherein x is selected among h, the cation of a pharmaceutically acceptable base and the radicals of polyoxyethylenglycols, and polyoxypropylenglycols and their o-monomethylethers, and r is an alkyl or aryl radical of dicarboxylic acid, provided that at least one r' substituent is different from h. derivatives according to claim 1, characterized in that said glycoside bioflavonoids are selected among rutin and diosmin.

Francês

dérivés de bioflavonoïdes ayant la formule général : dans laquelle p représente le résidu flavonique contenant des hydroxyles phénoliques et r' représente h, (co-r-co-o-x), où x est sélectionné parmi h, le cation d'une base acceptable pharmaceutiquement et les radicaux de polyoxyéthylène glycols, et de polyoxypropylène glycols et leurs o-monométhyléthers et r est un radical alkyle ou aryle d'un acide bicarboxylique, étant donné qu'au moins un substituant r' est différent de h. dérivés selon la revendication 1, caractérisés en ce que lesdits bioflavonoïdes de glycoside sont sélectionnés parmi le rutine et la diosmine.

Última atualização: 2014-12-04
Frequência de uso: 2
Qualidade:

Referência: IATE

Inglês

the sap, also known as "birch water " is exclusively collected in spring, just when the body, coming out of the winter, needs cleansing itself of all the then accumulated wastes. it is spring which will make inflate the birch buds which contain many active ingredients (essential oils, tannins, flavonic derivatives , sesquiterpenes and vitamin c).

Francês

la sève, encore appelée "eau de bouleau", est exclusivement recueillie au printemps, au moment précis où l'organisme sortant de l'hiver a bien besoin de se nettoyer de tous les déchets qu'il y a accumulés. c'est elle qui va faire gonfler les bourgeons du bouleau qui renferment de nombreux principes actifs (huiles essentielles, tanins, dérivés flavoniques, sesquiterpènes et de la vitamine c).

Última atualização: 2018-02-13
Frequência de uso: 1
Qualidade:

Referência: IATE
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