A - Human Necessities – 23 – L
Patent
A - Human Necessities
23
L
A23L 1/056 (2006.01) A23J 1/10 (2006.01) A23J 3/22 (2006.01) A23J 3/30 (2006.01)
Patent
CA 2091598
The invention relates to a method of producing dried fibrous collagen which comprises subjecting pieces of material rich in collagen to drying under variable drying conditions, wherein, initially, said material is subjected to drying in a first stream of heated gas maintained at a temperature of less than about 60°C and subsequently exposing the resulting partially dried material to a second heated gas stream at a temperature which is higher than said first stream, the temperatures and treatment times during said drying being controlled to minimize discolouration and hydrolysis of the dried product and then milling the dried collagen to form a fibrous product.
L'invention porte sur une méthode pour la production de collagène fibreux séché, consistant à faire sécher des morceaux de substance riche en collagène dans différentes conditions de séchage; la substance est séchée dans un premier flux gazeux maintenu à une température de moins de 60 degrés C; la substance ainsi partiellement séchée est ensuite exposée à un deuxième flux gazeux à une température supérieure à celle du premier flux; les températures et les temps de séjour pendant le séchage sont ajustés pour réduire au minimum la décoloration et l'hydrolyse du produit séché; enfin, le collagène séché est broyé pour donner un produit fibreux.
French James William Leonard
Vincent Maurice William
Ridout & Maybee Llp
Stork Cft B.v.
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