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FONTERRA CO-OPERATIVE GROUP

FONTERRA CO-OPERATIVE GROUP Patent applications
Patent application number	Title	Published
20080305235	Whey Product and Process - The invention provides a process for preparing a dried modified whey protein concentrate. A whey protein solution is used having less than 5% total solids and a combined calcium and magnesium concentration of less than 70 mmol/kg on a dry basis and a pH of 6.0-7.5. It is heated to greater than 70° C. for up to 60 minutes to denature the whey protein. The solution is then cooled to 40° C.-60° C.; and subsequently spray dried. Alternatively a higher initial concentration of total solids may be used in an embodiment where the heating is carried out on a scraped surface heat exchanger.	12-11-2008
20080305208	Dairy Ingredient - Preparation and Use - The invention provides a method for producing a dairy powder or a dairy concentrate. The pH of a liquid dairy starting material comprising casein and whey proteins is adjusted if necessary by addition of acid or alkali to a pH in the range 5.0-8.0. The pH adjusted material is then heat-treated to denature whey protein in the presence of casein. This treated material is either retained or dried to form a powder or as a dairy concentrate. The product may be used in a method for forming a product such as a processed cheese, a processed cheese-like product, a spread, a yoghurt or a dairy dessert. In this method, the product is dissolved/suspended (if necessary) and undergoes pH adjustment to a pH in the range 4.5-6.5. The material may be cooked to form a molten mass which is subsequently cooled to form a milk protein gel.	12-11-2008