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US 2013/0281669 A1Published application
Native potato protein isolates
AssigneeCoöperatie AVEBE U.A.
InventorsMarco Luigi Federico GIUSEPPIN, Catrinus VAN DER SLUIS, Marc Christiaan LAUS
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Abstract
The invention relates to a process for native potato protein isolation, to native potato protein isolates, to the use thereof, and to a food product comprising a native potato protein isolate. The invention provides a novel isolation process for obtaining highly pure native potato protein isolates having a glycoalkaloid concentration of less than 150 ppm.
Claims26
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Native potato protein isolate obtainable by a process comprising
- subjecting potato fruit juice to a flocculation by a divalent metal cation at a pH of 7-9:
- centrifuging the flocculated potato fruit juice, thereby forming a supernatant;
- subjecting the supernatant to expanded bed adsorption chromatography operated at a pH of less than 11 and a temperature of 5-35° C. using an adsorbent capable of binding potato protein, thereby adsorbing the native potato protein to the adsorbent;
- and
- eluting at least one native potato protein isolate from the adsorbent with an eluent.
2 more elements
Dependencies are inferred from the claim text.