C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 311/60 (2006.01) C07D 311/28 (2006.01) C07D 311/30 (2006.01)
Patent
CA 2374747
The invention relates to a method for recovering high-purity isoquercetin from bioflavanoid pastes, that is from mother-liquor residues which are produced during the recovery of flavanoids, by extraction with a solvent mixture of methyl acetate and water.
La présente invention concerne un procédé permettant d'obtenir de l'isoquercétine très pure à partir de pâtes bioflavonoïdiques, c'est-à-dire à partir de résidus de lessive-mère résultant de la production de flavonoïdes, par extraction avec un mélange solvant constitué d'acétate de méthyle et d'eau.
Buchholz Herwig
Grund Michael
Hartner Hartmut
Jungnitz Michael
Rosskopf Ralf
Fetherstonhaugh & Co.
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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