Patent ID: 9175052
Filing Date: 2015-11-03
Classification: A23J,A23K,A23L,A23V,A24B,C07K,C12N,C12Y

Abstract:
1. A method for reducing the ash or alkaloid content in a protein-enriched material, the method comprising: a) receiving a plant-derived, protein-enriched material comprising RuBisCO, F2 fraction proteins, or a combination thereof, wherein the plant-derived, protein-enriched material further comprises undesirable ash, nicotine, or a combination thereof; b) dissolving at least a portion of the plant-derived, protein-enriched material in a solvent to form a solution having a basic pH; c) subjecting the plant-derived, protein-enriched material solution to diafiltration by passing the solution through one or more ultrafiltration membranes to afford a retentate comprising a protein concentrate or isolate having a reduced amount of ash, nicotine, or a combination thereof as compared with the plant-derived, protein-enriched material.