Patent ID: 11865131
Assignee: DEUTSCHES INSTITUT FÜR LEBENSMITTELTECHNIK E.V.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  B | IPC A

Claim 8:
9. The process according to claim 1, wherein prior to step c. the polyphenols are enriched from the filtrate to produce an enriched filtrate, and the further steps c. to g. of the process are carried out with the enriched filtrate, wherein enriching of the polyphenols from the filtrate comprises the substeps of adsorbing the filtrate to a chromatography column, washing with a second wash solution, eluting the enriched filtrate with a second elution solution, and collecting the enriched filtrate, wherein the chromatography column is a HIC column, the second wash solution is an aqueous solution containing 1 vol. % concentrated acetic acid, and the second elution solution is primary alcohol+1 vol. % concentrated acetic acid.