Potent immunostimulatory polysaccharides extracted from...

A - Human Necessities – 61 – K

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A61K 31/715 (2006.01) A61K 31/726 (2006.01) A61K 31/736 (2006.01) C07H 1/08 (2006.01)

Patent

CA 2412600

Immunostimulatory polysaccharides can be preferentially extracted from food- grade microalgae using an aqueous ethanol extraction procedure. The resulting preparations exhibit extremely potent immunostimulatory activity. The preferential extraction of these immunostimulatory polysaccharides is dependent on the concentration of ethanol used and the extraction temperature. The most efficient conditions are 50 % ethanol concentration at temperatures between 60~ and 70 ~C. The isolated polysaccharide preparation are potentially useful as a botanical or pharmaceutical preparation to improve immune function.

La présente invention concerne des polysaccharides immunostimulateurs qui sont de préférence extraits de microalgues de qualité alimentaire au moyen d'un processus d'extraction avec de l'éthanol aqueux. Les préparations résultantes présentent une activité immunostimulante extrêmement puissante. L'extraction préférée de ces polysaccharides immunostimulateurs dépend de la concentration d'éthanol utilisée et de la température d'extraction. Les conditions les plus efficientes sont une concentration de 50 % d'éthanol et une température comprise entre 60· et 70 ·C. Les préparations de polysaccharides isolés sont potentiellement utiles en tant que préparation médicinale ou pharmaceutique destinée à améliorer la fonction immunitaire.

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