Liquid detergents containing proteolytic enzyme, peptide...

Details Liquid detergents containing proteolytic enzyme, peptide... Liquid detergents containing proteolytic enzyme, peptide...

C - Chemistry, Metallurgy

11

D

C11D 3/386 (2006.01)

Patent

CA 2266487

Aqueous liquid detergent compositions are described which comprise a proteolytic enzyme wherein the proteolytic activity is reversibly inhibited by a peptide aldehyde and a source of boric acid. In a particularly preferred embodiment, liquid detergent compositions are disclosed which contain a detersive surfactant, a proteolytic enzyme, a peptide aldehyde, boric acid, and diol ions. The combination of peptide aldehyde and boric acid act to provide improved stability of protease and other enzymes.

L'invention se rapporte à des compositions de détergents liquides aqueux, qui comprennent un enzyme protéolytique dont l'activité protéolytique est inhibée de manière réversible par un aldéhyde peptidique et une source d'acide borique. Dans un mode de réalisation particulièrement préféré, des compositions de détergents liquides contiennent un tensioactif détergent, un enzyme protéolytique, un aldéhyde peptidique, de l'acide borique et des ions diol. La combinaison d'aldéhyde peptidique et d'acide borique améliore la stabilité de la protéase et d'autres enzymes.

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