C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 21/00 (2006.01) C07G 99/00 (2009.01) A22C 25/00 (2006.01) A23B 4/20 (2006.01) A23L 1/325 (2006.01) C12N 1/14 (2006.01) C12N 9/99 (2006.01) C12P 1/02 (2006.01) A61K 35/74 (2006.01) C07G 17/00 (2006.01)
Patent
CA 2151117
A microorganism capable of producing thiol protease inhibiting substances in high yield is provided, which belongs to the genus Aspergillus, such as A. oryzae or A. sojae. The inhibiting substances can be produced by culturing the microorganism on rice alone or in a rice- supplemented medium and recovering it from the culture in a high concentration, wherein the process may further comprise a step of heat treating a water extract or a culture filtrate of the culture, allowing the treated liquid to contact with a nonionic porous adsorption resin, thereby effecting adsorption of the inhibiting substances to the resin, and subsequently recovering the inhibiting substances adsorbed to the resin. Raw fish meat pastes or fish paste products can be produced by adding the inhibiting substances obtained by the above process to a raw material fish meat. A quality improving agent of food or seafood products that cannot be processed into high quality products due to thiol protease, which comprises the thiol protease inhibiting substances are further provided.
Chiba Satoru
Horiuchi Tatsuo
Kimura Ikuo
Kitao Satoshi
Sato Nobuyoshi
Kikkoman Corporation
Nippon Suisan Kaisha Ltd.
Riches Mckenzie & Herbert Llp
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