Reference material of escherichia coli in milk powder|BNCC360265 |BNCC

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Reference material of escherichia coli in milk powder

Subculture	Nutritional gravy medium (English name: NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (not included in liquid medium), distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min. [Note] Adding 5 mgMnSO4 · H2O to culture Bacillus is beneficial to produce spores.
Growth conditions	37 ℃, aerobic, 18-24h
Storage conditions	-80 ℃, cold storage away from light; Dry ice transportation
Safety level	1
Application	Sensitive test; Antibacterial test; Food testing; Cosmetic testing; Culture control; Quality control strain; API verification bacteria, GB 4789.38-2012 Escherichia coli count positive control strain.
Sharing mode	Public welfare sharing