魚肉水晒し廃液中水溶性タンパク質の膜濃縮法による回収

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  • Studies on more efficient utilization of water soluble proteins. I. Recovery of water soluble proteins in waste wash water of fish processing plants of ultrafiltration.
  • 水溶性たんぱく質の有効利用に関する研究　Ｉ　　魚肉水さらし廃液中水溶性たんぱく質の膜濃縮法による回収
  • ギョニク ミズサラシシ ハイエキチュウ スイヨウセイ タンパクシツ ノ マク

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The goal of this study is to obtain a basis for the research of recovering and reutilizing the water soluble proteins discarded into the waste wash waters of the frozen mince (surimi) plants.<br>Effect of an ultrafiltration system (IHI Co., Ltd.) to recover the water soluble proteins was studied. Proteins from 5 fish species, cod, Alaska pollack, sardine, mackerel, and horse mackerel were studied. The water soluble proteins were extacted with 5-10 volumes of water and the extracts were applied to the ultrafiltration system giving rise to concentrates. The protein concentration of the extracts, 0.1-2%, was raised to 0.4-18% with yields of nearly 90%. The low molecular matters, inorganic and organic, were largely filtered off by a membrane. The molecular weight composition of the water extracts and the concentrates were analyzed by Sephadex G-100 or G-200 gel filtration. The water extracts consisted of 5-7 groups with molecular weight ranging 4, 000-150, 000 and the proteins higher than 10, 000 were recovered in the concentrates by ultrafiltration with sieve size 20, 000. Some packing effect on the sieve was suggested. These profiles were generally found for the five species tested. The applicability of the ultrafiltration system appeared optimistic.

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  • 日本水産学会誌

    日本水産学会誌 51 (7), 1133-1138, 1985

    公益社団法人 日本水産学会

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