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

Claim 1:
2. The process according to claim 1, consisting of the steps of
a. dissolving a fruit material containing anthocyanins in a solvent to produce an extract solution,
b. separating undissolved ingredients from the extract solution to produce a filtrate,
c. adsorbing the filtrate to a cation exchanger,
d. washing the cation exchanger with a first wash solution,
e. eluting the anthocyanins from the cation exchanger with a first elution solution to produce an eluate containing anthocyanins,
f. acidifying the eluate by adding acid to produce an acidified eluate,
g. drying the acidified eluate to produce the extract powder.