- 专利标题： LACTASE, LACTASE PREPARATION, GENE, RECOMBINANT VECTOR, AND TRANSFORMANT
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申请号： EP22867379.4申请日： 2022-09-07
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公开(公告)号： EP4400589A1公开(公告)日： 2024-07-17
- 发明人: ODAKA, Rei , SANO, Ryoko , IWASAKI, Takumi , BABA, Masahiro , SABURI, Wataru , MORI, Haruhide
- 申请人： Godo Shusei Co., Ltd.
- 申请人地址： JP Matsudo-shi, Chiba 271-0064 250 Azanakahara, Kamihongo
- 专利权人： Godo Shusei Co., Ltd.
- 当前专利权人： Godo Shusei Co., Ltd.
- 当前专利权人地址： JP Matsudo-shi, Chiba 271-0064 250 Azanakahara, Kamihongo
- 代理机构： Hoffmann Eitle
- 优先权： JP 21145630 2021.09.07
- 国际申请： JP2022033563 2022.09.07
- 国际公布： WO2023038057 2023.03.16
- 主分类号： C12N15/56
- IPC分类号： C12N15/56 ; A23C7/04 ; A23C9/12 ; A23C21/02 ; A23C23/00 ; A23L33/00 ; C12N1/15 ; C12N1/19 ; C12N1/21 ; C12N5/10 ; C12N9/38 ; C12N15/63
摘要：
Provided is a lactase preparation having an excellent lactose decomposing action in milk. A lactase according to an aspect of the present invention has, as lactase activity, any one of the following activities (1) to (6) or a combination of two or more thereof:
(1) when the lactase is added to cow's milk, an added amount of protein in the lactase at which a residual lactose concentration reaches 0.1% or less after 16 hours at 10°C is 15.1 mg/L or less;
(2) when the lactase is added to cow's milk, the added amount of protein in the lactase at which the residual lactose concentration reaches 0.01% or less after 16 hours at 10°C is 30.2 mg/L or less;
(3) when the lactase is added to cow's milk, the added amount of protein in the lactase at which the residual lactose concentration reaches 0.1% or less after 24 hours at 10°C is 10.1 mg/L or less;
(4) when the lactase is added to cow's milk, the added amount of protein in the lactase at which the residual lactose concentration reaches 0.01% or less after 24 hours at 10°C is 15.1 mg/L or less;
(5) when the lactase is added to cow's milk in an amount that makes a final concentration 1.4 LYU/ml, the residual lactose concentration reaches 0.1% or less after 24 hours at 10°C; and
(6) when the lactase is added to cow's milk in the amount that makes a final concentration 2.1 LYU/ml, the residual lactose concentration reaches 0.01% or less after 24 hours at 10°C.
(1) when the lactase is added to cow's milk, an added amount of protein in the lactase at which a residual lactose concentration reaches 0.1% or less after 16 hours at 10°C is 15.1 mg/L or less;
(2) when the lactase is added to cow's milk, the added amount of protein in the lactase at which the residual lactose concentration reaches 0.01% or less after 16 hours at 10°C is 30.2 mg/L or less;
(3) when the lactase is added to cow's milk, the added amount of protein in the lactase at which the residual lactose concentration reaches 0.1% or less after 24 hours at 10°C is 10.1 mg/L or less;
(4) when the lactase is added to cow's milk, the added amount of protein in the lactase at which the residual lactose concentration reaches 0.01% or less after 24 hours at 10°C is 15.1 mg/L or less;
(5) when the lactase is added to cow's milk in an amount that makes a final concentration 1.4 LYU/ml, the residual lactose concentration reaches 0.1% or less after 24 hours at 10°C; and
(6) when the lactase is added to cow's milk in the amount that makes a final concentration 2.1 LYU/ml, the residual lactose concentration reaches 0.01% or less after 24 hours at 10°C.
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