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- ISSN: 0929-8665
- E-ISSN: 1875-5305
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Stability Of A Black Eyed Pea Trypsin Chymotrypsin Inhibitor (BTCI)
- Source: Protein and Peptide Letters, Volume 8, Issue 1, Feb 2001, p. 33 - 38
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- 01 Feb 2001
Abstract
The stability of BTCI has been investigated as function of pH and temperature, following its inhibitory activity against trypsin. The isolated inhibitor of 9,084 Da is stable over pH 3 to 10 at 25 o C. BTCI showed high thermal stability ranging from 25 to 95 o C at pH 3.0 and 7.0. However, the protein lost about 20 percent of its inhibitory activity over 75 o C at pH 8.2. The results indicated that BTCI is extremely stable to heat and pH as typical of Bowman-Birk inhibitors.
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