C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/00 (2006.01) A23L 1/0528 (2006.01) A61K 31/715 (2006.01) C08B 37/18 (2006.01)
Patent
CA 2494089
The present invention relates to a polysaccharide of Echinacea angustifolia roots, having molecular weight of 1.3 x 105 Da and consisting of rhamnose, arabinose, galactose and galacturonic acid in ratio 0.5:2.5:1.75:10.25. The polysaccharide is recovered from spontaneous or cultivated Echinacea angustifolia roots by means of a process comprising the following steps: a) depriving the roots of non polysaccharidic constituents by extraction with solvent; b) extracting the polysaccharidic fraction from the roots as directly obtained from the preceding step; c) isolating the polysaccharide by chromatography of the polysaccharidic fraction. Due to its immune-stimulating properties, the polysaccharide can be used for the preparation of medicaments, food supplements' or nutraceutical compositions to administer whenever it is desirable to strenghthen the immune system body defenses.
La présente invention concerne un polysaccharide provenant des racines d'<i>Echinacea angustifolia</i> ayant un poids moléculaire de 1.3 x 10?5¿ Da et constitué de rhamnose, arabinose, galactose et d'acide galacturonique pris dans des proportions 0.5:2.5:1.75:10.25. Le polysaccharide est récupéré des racines d'<i>Echinacea angustifolia</i> naturelles ou de culture, la récupération comprenant les stades suivants: a) priver les racines de leurs composants non polysaccharidiques par l'extraction au solvant; b) extraire la fraction polysaccharidique à partir des racines telle qu'obtenue au stade précédent; c) isoler le polysaccharide par la chromatographie de la fraction polysaccharidique. Grâce à ces propriétés immuno-stimulantes, le polysaccharide peut s'utiliser dans la préparation de médicaments, d'additifs alimentaires ou de compositions nutritives qui peuvent être administrées lorsqu'il est nécessaire d'améliorer les défenses immunitaires.
Anelli Alessandro
Di Pierro Francesco
Giori Andrea
Morazzoni Paolo
Indena S.p.a.
Kirby Eades Gale Baker
LandOfFree
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