C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 5/00 (2006.01) C07G 99/00 (2009.01) A61P 3/00 (2006.01) A61P 43/00 (2006.01) C12N 1/00 (2006.01)
Patent
CA 2258501
The invention relates to a biologically active plant extract to be obtained by means of a method comprising the following steps of: a) pressing a vegetable material to pulp; b) subjecting the obtained pulp to a cold or hot treatment with an aqueous or organic solvent; c) removing the solvent until a determined degree of concentration is obtained; and d) optional further purifying of the thus obtained extract by one or more of the following methods; thermocoagulation, purification with ammonium sulphate, precipitation, chromatography on gel or ion-exchange resin.
L'invention concerne un extrait végétal, actif sur le plan biologique, que l'on obtient au moyen d'un procédé comprenant les étapes suivantes consistant: a) à presser la matière végétale afin d'obtenir une pâte, b) à soumettre cette pâte à un traitement froid ou chaud à l'aide d'un solvant aqueux ou organique, c) à enlever le solvant jusqu'à l'obtention d'un degré déterminé de concentration, et d) éventuellement à purifier ultérieurement l'extrait ainsi obtenu, à l'aide des procédés suivants: thermocoagulation, purification au moyen de sulfate d'ammonium, précipitation, chromatographie sur gel ou sur résine échangeuse d'ions.
Fetherstonhaugh & Co.
Feva N.v.
Gillessen Hubert Jean Marie Francois
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