Polysaccharide compositions and uses thereof

Details Polysaccharide compositions and uses thereof Polysaccharide compositions and uses thereof

C - Chemistry, Metallurgy

08

B

C08B 37/00 (2006.01) C08L 5/00 (2006.01) C12P 19/04 (2006.01)

Patent

CA 2361308

An entirely aqueous method for concentrating water soluble polysaccharides having molecular weights of at least about 50 kDa. The method comprises evaporating a water soluble polysaccharide-containing solution until surface film formation occurs, and harvesting the resulting film which is enriched in the polysaccharide. The polysaccharide may be of plant or animal origin, and includes polysaccharides such as guar gum, xanthan gum and pectin.

L'invention concerne un procédé entièrement aqueux permettant de concentrer des polysaccharides solubles dans l'eau qui présentent un poids moléculaire d'au moins environ 50 kDa. Le procédé comporte les étapes consistant à évaporer une solution contenant un polysaccharide soluble dans l'eau jusqu'à ce qu'un film superficiel se forme, et recueillir le film obtenu qui est enrichi en polysaccharide. Le polysaccharide peut être d'origine végétale ou animale, et comprend des polysaccharides tels que la gomme de guar, la gomme xanthane et la pectine.

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