Novel strains of Streptococcus macedonicus W351 having the production-ability of vitamin K2

摘要

The invention of vitamin K ₂ novel strain producing ability with Streptococcus Wu Donny relates to a focus W351, more particularly vitamin K ₂ with a novel strain Streptococcus Avoid producing ability Donnie Caicos ( streptococcus macedonicus ) identified separately W351 (KACC91483P) a and relates to a fermented milk prepared using the novel strain of Streptococcus is gain focus Wu W351 useful in fermentation starter . ; Avoid Donnie novel strain Streptococcus Caicos W351 of the present invention as compared to conventional lactic acid vitamin K ₂ excel as well as producing ability is antibiotic resistance , enzyme activity , bile and pH tolerance and serves as a strain having an antimicrobial functionality . Thus may be useful in the manufacture of fermented milk , such as using the novel strain .