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公开(公告)号：US11606965B2
公开(公告)日：2023-03-21
申请号：US16300451
申请日：2017-05-11
Applicant: CHR. HANSEN A/S
Inventor： Christian Gilleladen , Jeorgos Trihaas , Thomas Janzen , Mette Oehrstroem Runge
IPC: A23L33/135 , A23C9/123 , A23C9/12
Abstract: Process for producing an ambient storage food product comprising providing a food product with a pH of between 3.4 and 4.4, subjecting the food product to a heat treatment to obtain a heat treated food product, adding aseptically to the heat treated food product one or more of ambient storage lactic acid bacteria strains to obtain an ambient storage food product, and storing the ambient storage food product at ambient temperature for a period of time, wherein the ambient storage lactic acid bacteria strain is selected from the group consisting of strains, (i) wherein the strain is capable of retaining viability at the end of 150 days at a temperature of 25#C, and (ii) wherein the pH at most decreases 0.8 units during the storage period, and (iii) wherein the strain is selected from the group consisting of Lactobacillus paracasei, Lactobacillus rhamnosus, Lactobacillus fermentum and Lactobacillus delbrueckii subsp. bulgaricus, and mutants and variants thereof.
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公开(公告)号：US11564399B2
公开(公告)日：2023-01-31
申请号：US16615904
申请日：2018-05-31
Applicant: Chr. Hansen A/S
Inventor： Jeorgos Trihaas , Thomas Janzen , Patrick Derkx
Abstract: The present invention is directed to a method of producing a Streptococcus thermophilus strain comprising the steps of a) Providing a mother strain in the form of Streptococcus thermophilus DSM32502, b) Growing a culture of the mother strain in the presence of a bacteriophage, to which the mother strain is not resistant, to obtain a number of mutant strains, which are resistant to the said bacteriophage, c) Measuring the acidification time of the bacteriophage-resistant mutant strains and the mother strain in a milk base and selecting at least one mutant strain with a reduced acidification time as compared to the mother strain to obtain a fast-acidifying mutant strain.
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公开(公告)号：US11758914B2
公开(公告)日：2023-09-19
申请号：US18145411
申请日：2022-12-22
Applicant: Chr. Hansen A/S
Inventor： Jeorgos Trihaas , Thomas Janzen , Patrick Derkx
CPC classification number: A23C9/1238 , C12N1/20 , C12N1/205 , C12N7/00 , C12N15/01 , A23C2220/202 , C12N2795/00031 , C12R2001/46
Abstract: The present invention is directed to a method of producing a Streptococcus thermophilus strain comprising the steps of
a) Providing a mother strain in the form of Streptococcus thermophilus DSM32502,
b) Growing a culture of the mother strain in the presence of a bacteriophage, to which the mother strain is not resistant, to obtain a number of mutant strains, which are resistant to the said bacteriophage,
c) Measuring the acidification time of the bacteriophage-resistant mutant strains and the mother strain in a milk base and selecting at least one mutant strain with a reduced acidification time as compared to the mother strain to obtain a fast-acidifying mutant strain.-
公开(公告)号：US20230118835A1
公开(公告)日：2023-04-20
申请号：US18145411
申请日：2022-12-22
Applicant: Chr. Hansen A/S
Inventor： Jeorgos Trihaas , Thomas Janzen , Patrick Derkx
Abstract: The present invention is directed to a method of producing a Streptococcus thermophilus strain comprising the steps of a) Providing a mother strain in the form of Streptococcus thermophilus DSM32502,
b) Growing a culture of the mother strain in the presence of a bacteriophage, to which the mother strain is not resistant, to obtain a number of mutant strains, which are resistant to the said bacteriophage,
c) Measuring the acidification time of the bacteriophage-resistant mutant strains and the mother strain in a milk base and selecting at least one mutant strain with a reduced acidification time as compared to the mother strain to obtain a fast-acidifying mutant strain.
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