Food or edible material: processes – compositions – and products – Fermentation processes – Of milk or milk product
Patent
1988-04-29
1989-10-17
Wiseman, Thomas G.
Food or edible material: processes, compositions, and products
Fermentation processes
Of milk or milk product
4263302, 426334, 426583, 435170, 4351723, 4352523, 4352534, 435320, A23C 912, A23C 1900, C12N 1500
Patent
active
048746169
ABSTRACT:
A method for imparting phage resistance to phage sensitive strains of Streptococcus group N is described. The method involves transferring plasmid encoding for production of a mucoid substance (Muc.sup.+) into the phage sensitive strain. Even if the Muc.sup.+ plasmid is removed by curing at elevated temperatures the strains remain resistant to phage. The resulting resistant strains are novel and are used for fermentations, particularly milk fermentations.
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McLeod Ian C.
Microlife Technics, Inc.
Peet Richard C.
Wiseman Thomas G.
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