Weiyel Reference Materials
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| 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 |
Fecal coliform standard quality control sample (Multitube fermentation method)
BNCC359289
Water quality fecal coliform negative quality control samples (paper rapid method)
BNCC360410
BNCC362179
Helicobacter pylori nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362964
Standard quality control samples of mold and yeast
BNCC360584
Bacillus coagulans spore suspension
BNCC361969