Production and isolation of milk-clotting enzyme from Aspergillus versicolor.
Zentralbl Bakteriol Naturwiss, 1979;134(6):547-50.
PMID: 121498
Abstract
The production of a milk-clotting enzyme by Aspergillus versicolor in 19 different culture media was investigated. Considerable milk-clotting activity was achieved by supplying corn steep liquor with either glucose of maltose. Dephytinization of corn steep liquor had an adverse effect on the production of milk-clotting enzyme. The results indicated that complex organic compounds favoured the production of the enzyme. Precipitation with acetone or tannin was unsuitable, but ammonium sulphate and ethanol above certain concentration produced active fractions.
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