A - Human Necessities – 23 – J
Patent
A - Human Necessities
23
J
A23J 1/20 (2006.01) A23L 1/305 (2006.01) A61K 35/20 (2006.01) A61K 38/02 (2006.01) A61K 38/17 (2006.01)
Patent
CA 2005779
A b s t r a c t The invention relates to a biologically active whey protein composition comprising substantive amounts of a whey protein concentrate comprising a whey protein isolated mixture having protein and/or peptide components containing glutamylcysteine groups wherein said components are present in an essentially undenatured state and wherein the biological activity of the whey protein concentrate is restricted to its undenatured conformation, a method of producing a biological active whey protein concentrate composition comprising the following steps: a) immediately after milking cooling the milk to a tempera- lure in the range of 2°C to 10°C, especially to 4°C, and removing contaminants, b) after another cleaning of the milk, precipitation of the curd by reducing the pH to about 4.6 with lactic acid initially at 20°C, c) addition of rennet and raising the temperature to about 30°C for 20 minutes to promote expulsion of whey from the curd, allowing the agitation in a vat to resolve at low speed, d) thermal treatment of the pasteurization type of the remaining product in the vat and agitating at high speed, for cheese production, e) irradiation and separation of the whey and f) ultrafiltration of the whey using a membrane having a molecular weight cut off of substantially 10,000 or less, or g) ultrafiltration of the whey using a membrane having a molecular weight cut off of substantially 17,000 or less to retain B-lactoglobulin and serum albumin, wherein the fraction of whey protein concentrate is not heated and the material from which it is derived is slowly agitated to minimize protein denaturation and that said ultrafiltration is carried out in a production line comprising up to 20 frame-type modules holding a large number of said membranes achieving a final unde- natured protein concentrate in dry matter, wherein said ultrafiltration is carried out at a temperature in the range of 4°C to 20°C, especially at 4°C.
Bounus Gustavo
Gold Phil
Bounus Gustavo
Gold Phil
Macrae & Co.
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