A protein-rich fraction from oilseed meal of sunflower or Brassica L. seed which is obtainable by a process of electrostatic separation. The dry sunflower protein-rich composition may comprise a dry matter content of sunflower proteins ranging from 44 to 60, in weight %, and a dry matter content of Acid Detergent Lignin ranging from 2 to 5 in 5 weight % in respect of the total weight of dry matter of said composition. The dry Brassica L. protein-rich composition may comprise a dry matter content of Brassica L. proteins ranging from 40 to 50, in weight %, and a content of Acid Detergent Lignin ranging from 1.5 to 4 in weight % in respect of the total weight of dry matter of said composition.
