<論文>継代培養混合株スターターの乳酸菌とファージ

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タイトル別名
  • <Orignal>Lactic acid bacteria and their bacteriophages isolated from subcultures of a commercial freeze-dried mixed-strain starter culture

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説明

The bacterial populations of the three subcultures prepared from a commercial freeze-dried mixed-strain starter culture were 43-54 % Lactococcus lactis ssp. cremoris and 46-57 % Lactococcus lactis ssp. lactis biovar. diacetylactis. No strains of Lactococcus lactis ssp. lactis and Leuconostoc mesenteroides ssp. cremoris were detected. No phage sensitive strains were detected except one L. lactis ssp. cremoris strain from the 20th subculture. On the each subculture tested, L. lactis ssp. cremoris isolates were divided into four plasmid-groups, and L. lactis ssp. lactis biovar. diacetylactis isolates into two groups. This indicated that the populations of the subcultures became more simple than that of the original starter culture. Strains having high acid-producing activity showed strong proteolytic ability. Although the number of fast-strains was limited, the subcultures functioned as fast acid-producing starters.

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詳細情報 詳細情報について

  • CRID
    1572543026688499712
  • NII論文ID
    110000472025
  • NII書誌ID
    AN10120935
  • ISSN
    09162097
  • 本文言語コード
    ja
  • データソース種別
    • CiNii Articles

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