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DENATURATION OF INTRACELLULAR PROTEINASE FROM STREPTOCOCCUS LACTIS BY FREEZING AND FREEZE-DRYING, AND ADDITIVES FOR PREVENTING DENATURATION.

[In Japanese. / En japonais.]

Author(s) : AKUZAWA R., ITO O., YOKOYAMA K.

Type of article: Article

Summary

PROTEINASE FROM STREPTOCOCCUS LACTIS IAM 1198 RETAINED ONLY 15% OF ITS ACTIVITY AGAINST CASEIN WHEN A 0.25% SOLUTION IN DISTILLED WATER WAS FREEZE-DRIED, AND ONLY 28% WHEN IT WAS FROZEN AT 243 K (-30 DEG C). PROTEINASE AT 0.25% RETAINED MORE ACTIVITY WHEN FROZEN AT 243 K OR FREEZE-DRIED IN 0.3 M SUCROSE OR SODIUM-L-GLUTAMATE SOLUTION THAN IN SOLUTIONS OF SODIUM CHLORIDE, GLUCOSE, LACTOSE OR GLYCINE AT THE SAME CONCENTRATION. (DAIRY SCI. ABSTR., GB., 46, N 10, 1984/10, 792, 6984.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1985-1154
  • Languages: Japanese
  • Source: Bull. nippon vet. zootech. Coll. - n. 32
  • Publication date: 1983
  • Document available for consultation in the library of the IIR headquarters only.

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