Use of thiol redox proteins for reducing disulfide bonds

Details Use of thiol redox proteins for reducing disulfide bonds Use of thiol redox proteins for reducing disulfide bonds

C - Chemistry, Metallurgy

12

N

C12N 9/96 (2006.01) A21D 2/26 (2006.01) A21D 8/04 (2006.01) A23C 9/12 (2006.01) A23J 1/12 (2006.01) A23J 1/14 (2006.01) A23J 3/18 (2006.01) A23L 1/015 (2006.01) A23L 1/16 (2006.01) A23L 1/182 (2006.01) A23L 1/211 (2006.01) A23L 1/314 (2006.01) A61K 38/16 (2006.01) A61K 38/44 (2006.01) C07K 1/107 (2006.01) C07K 1/113 (2006.01) C07K 14/00 (2006.01) C07K 14/415 (2006.01) C07K 14/46 (2006.01) C07K 14/76 (2006.01) C07K 14/81 (2006.01) C12N 9/02 (2006.01) C12N 9/20 (2006.01) C12N 9/99 (2006.01) C12P 21/02 (2006.0

Patent

CA 2121137

2121137 9308274 PCTABS00021 Methods of reducing cystine containing animal and plant proteins, and improving dough and baked goods' characteristics is provided which includes the steps of mixing dough with a thiol redox protein. The method of the present invention preferably uses reduced thioredoxin with wheat flour. Methods for reducing snake, bee and scorpion toxin proteins with a thiol redox (SH) agent and thereby inactivating the protein are also provided. Protease inhibitors are also reduced by the NADP/thioredoxin system. When two of these inhibitors, the Kunitz and Bowman-Birk trypsin inhibitors of soybean are reduced, they lose their ability to inhibit trypsin. Moreover, the reduced form of the inhibitors showed increased susceptibility to heat and proteolysis by either subtilisin or a protease preparation from germinating wheat seeds. A novel cystine containing protein that inhibits pullulanase was isolated. When it was reduced by thioredoxin its inhibitory activity was reduced.

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