Citation: Bang Ning WANG, Fu TAN. CALORIMETRIC STUDY OF COLD.AND THERMAL DENATURATION OF BOVINE β-LACTOGLOBULIN B[J]. Chinese Chemical Letters, ;1993, 4(11): 971-974. shu

CALORIMETRIC STUDY OF COLD.AND THERMAL DENATURATION OF BOVINE β-LACTOGLOBULIN B

Bang Ning WANG ,
Fu TAN

Institute of Chemistry, Academia Sinica, Beijing 100080

Received Date: 17 August 1993

Fund Project: This work was supported by the National Natural Science Foundation of China.

The denaturational behaviour of bovine β-lactoglobulin B has been studied in solutions containing guanidine hydrochloride by differential scanning calorimetry. The experiments have shown that complete peaks of cold denaturation can be recorded also in high concentration of protein solutions. The cold denaturation and the renaturation of the protein are reproducible, but the thermal denaturation is irreversible. The activation energy of thermal denaturation calculated is about 285 kJ/mol.
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