abstract |
Described herein is a liquid enzyme preparation containing n component (a): at least one salt according to general formula (I) n (R 2 ) 3 N + —(CH 2 ) n C(R 3 )(R 4 )—(O—X) m —O—C(O)—R 1 A − (I)n wherein n is selected from 1 to 12, m is selected from zero to 50, R 1 is selected from the group consisting of methyl, ethyl, —CH(OH)—CH(OH)—COOH, CH(OH)—CH 3 , (E)-CH═CHCOOH, (Z)—CH═CHCOOH, —C 6 H 5 , para-HO—C 6 H 4 —, o,p-dihydroxyphenyl, and 3,4,5-triydroxyphenyl, R 2 are same or different and selected from C 1 -C 10 -alkyl, phenyl, R 3 and R 4 are same or different and selected from hydrogen and C 1 -C 4 -alkyl, X is C 2 -C 4 -alkylen, and A − is an inorganic or organic counteranion,n ncomponent (b): at least one enzyme selected from hydrolases (EC 3),n nandn noptionally component (c): at least one compound selected from enzyme stabilizers different from component (a), preservatives, and surfactants. |