Process for treatment of anthocyane extracts

Details Process for treatment of anthocyane extracts Process for treatment of anthocyane extracts

1976-07-21

1978-04-11

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210433M, 210 23F, 426 15, 426495, B01D 1300

Patent

active

040837793

ABSTRACT:
A method of treatment of an anthocyanic extract, characterized in that it mainly comprises an ultrafiltration stage which consists in separating from said extract by ultrafiltration, on the one hand a liquid filtrate which passes through an ultrafilter membrane and on the other hand a first concentrate containing more condensed forms of anthocyanins, and a reverse osmosis stage which consists in separating from said filtrate by reverse osmosis, on the one hand a diffusate which passes through a reverse osmosis membrane and on the other hand a second concentrate which contains less condensed forms of anthocyanins.

REFERENCES:
patent: 3052546 (1962-09-01), Riddell et al.
patent: 3988486 (1976-10-01), Rhein
Merson et al., "Reverse Osmosis for Food Processing," from a paper presented at Bristol, England, pp. 179-190 relied on.

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