Streptococcus mitis quantitative strain|BNCC364024 |BNCC

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  • Quantitative strains of Streptococcus mitis-BNCC

Quantitative strains of Streptococcus mitis

  • Price： Contact
  • number：BNCC364024
  • Packing：Syringa bottle;(3.8±0.7)× 10 ^ 5CFU/bottle
  • Form：
    The colony is 1-2mm in diameter, round, neat edges, opaque, yellow on the front, raised in the middle, smooth surface, bright surface, moist texture, easy to pick up, G (blue-purple), cocci, purity: pure
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Quantitative strains of Streptococcus mitis
Culture medium Special peptone: 23.0, soluble starch: 1.0, sodium chloride: 5.0, agar: 10.0, defibrated sheep blood: 5% (added at 50 ℃),pH:7.3±0.2(25 ℃)
Subculture procedure ① According to the culture conditions, the bacteria are first cultured into a bacterial suspension; ② Measure the absorbance of the bacterial suspension and calculate the initial concentration of the bacterial suspension according to the standard formula; The initial concentration multiplied by the survival rate is the actual concentration after freeze-drying; ④ According to the actual concentration after freeze-drying, the bacterial suspension was diluted to obtain the target concentration, and then subpacked and freeze-dried;
Growth conditions 37 ℃;24-48h; aerobic
Storage conditions -80 ℃
Safety level 2
morphology The colony is 1-2mm in diameter, round, neat edges, opaque, yellow on the front, raised in the middle, smooth surface, bright surface, moist texture, easy to pick up, G (blue-purple), cocci, purity: pure
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