Collagen concentrate, use thereof and also process for production thereof

US9504262B2 · kind B2 · utility

Assignee

• Kalle GmbH · DE

Inventors

• Marion Bueker · Singhofen, DE
• Gert Bueker · Singhofen, DE
• Gerhard Grolig · Mörfelden, DE

Key dates

• Filing date: Dec 15, 2008
• Grant date: Nov 29, 2016
• Expiry date: Nov 25, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A22C2013/0023
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A film-forming collagen concentrate is provided containing at least 18% by weight dry matter. At least 50% by weight of the protein of a homogeneous suspension produced from the concentrate in a 0.15 molar aqueous sodium dihydrogenphosphate buffer having a pH of 7 and a calculated dry matter fraction of 0.5% by weight may be separated as sediment by 15 min centrifugation at 1780 RFC and 15° C. A process is also disclosed for producing a collagen-concentrate-containing food casing that includes (a) producing an aqueous collagen mass; (b) concentrating the aqueous collagen mass until it has a solids fraction of 18% by weight or more; (c) admixing the concentrate with dilute acid to obtain a (co)extrudable or castable collagen mass; (d) coextruding or casting the collagen mass to from a casing; (e) solidifying the casing and, optionally, (f) drying the casing.