Coliform standard quality control sample (MPN counting method)|BNCC360590 |BNCC

BeNa Culture Collection

  • Standard quality control sample of coliform bacteria (MPN counting method)-BNCC

Standard quality control sample of coliform bacteria (MPN counting method)

  • Price: Contact
  • number:BNCC360590
  • Packing:Syringa; 10 ~ 100MPN/100mL
Essential Information Related Products
Standard quality control sample of coliform bacteria (MPN counting method)
Culture medium Peptone: 10.0, beef powder: 3.0, sodium chloride: 5.0, agar: 15.0,pH: 7.3±0.1(25 ℃)
Subculture procedure Samples required a total of 100mL of sterile water or sterile saline to dissolve. Before use, place the quality control sample at room temperature for 20min, then open it in the biosafety cabinet, immediately add 3~4mL of sterile water, suck it out after dissolution, put it into a sterile bottle, repeatedly wash the inner wall of the vial with the remaining sterile water, and transfer it to the above sterile bottle, which is the standard quality control sample, totaling 100mL, with a concentration of 10 ~ 100MPN/100mL.
Growth conditions Culture temperature 37 ℃; Culture time 24-48 hours; Aerobic gas environment
Storage conditions -20 ℃, protected from light
Safety level 2
application Quality control and personnel assessment of coliform counts in food. Reference standard "GB4789.3-2016 national food safety standard food microbiological detection coliform count" MPN counting method.
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