Anti-freeze proteins, their production and use

Details Anti-freeze proteins, their production and use Anti-freeze proteins, their production and use

C - Chemistry, Metallurgy

12

N

C12N 15/11 (2006.01) A23G 9/32 (2006.01) A23G 9/52 (2006.01) A23L 3/3526 (2006.01) C07K 14/41 (2006.01) C12N 15/63 (2006.01)

Patent

CA 2407738

Antifreeze proteins which can be derived from the lichen Nephroma arcticum and proteins having antifreeze activity having an amino acid sequence part of which shows at least 80% overlap with the amino acid sequence L-V-I-G-S-T-A- Q(E)-N-F-G-V-V(S)-A-A-A-T, as well as modified versions thereof. Methods for their preparation, their use in food processing and food compositions comprising them are also described.

L'invention concerne des protéines antiréfrigérantes pouvant être dérivées du lichen Nephroma arcticum et des protéines dotées d'une activité antiréfrigérante possédant une séquence aminoacide dont une partie présente au moins 80 % de chevauchement avec la séquence aminoacide L-V-I-G-S-T-A-Q(E)-N-F-G-V-V(S)-A-A-A-T, ainsi que des versions modifiées de celle-ci. L'invention concerne également des procédés de fabrication de ces protéines et d'utilisation de ces dernières dans le traitement alimentaire ainsi que des compositions alimentaires comportant lesdites protéines.

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