| 摘要 |
PROBLEM TO BE SOLVED: To provide a discoloration preventing agent useful for preventing the discoloration or browning of fish and shellfish, processed marine products, processed stock farm products, vegetables and fruits, etc., with excellent durability of a discoloration preventing effect and safety by containing components obtained by centrifugally separating fish kind testes or the like as effective components. SOLUTION: This agent is composed by turning the components obtained by centrifugally separating and/or alcohol-extracting the fish kind testes of one or more kinds of a herring order like a herring, a cod order like cod row, a Pacific cod and an Alaska pollack, etc., and a sea bass order like an oceanic bonito and a bonito, etc., to the effective components. Also, it is preferable that the adding amount of the discoloration preventing agent is in the range of 50-50000ppm by direct administration in the case of singly using fish kind testis components. |
