公开(公告)号：EP4446409A1

公开(公告)日：2024-10-16

申请号：EP22904347.6

申请日：2022-12-09

申请人： Godo Shusei Co., Ltd.

发明人： AOKI, Shohei ,  OGASAWARA, Junki ,  SHINODA, Misaki ,  BABA, Masahiro

IPC分类号： C12N9/38

摘要： An object of the present invention is to provide a lactase solution showing good permeation through a filtration filter, a lactase solution showing good permeation through a filtration filter and having a good residual lactase activity, and a lactase solution showing good permeation through a filtration filter and having a good residual lactase activity even when a lactase solution having a low protease activity and a low arylsulfatase activity as contaminant enzymes is used.
A lactase solution containing any of (i) to (iii) below.
(i) 0.0001 to 0.1 mass% of an unsaturated fatty acid or a salt thereof
(ii) 0.0001 to 0.1 mass% of a saturated fatty acid salt
(iii) 0.01 to 10 mass% of at least one selected from yeast extract, soybean peptone, pea protein, a casein degradation product, and corn steep liquor