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. |
| Subculturing | 1. Cultivate the target bacteria until the spore yield is maximum; 2. Inactivate and dissolve the bacteria themselves and collect spores; 3. Count and pack the spores; |
| Growth conditions | 45 ℃;24-48h; Aerobic |
| Storage conditions | 2-8 ℃ |
| Safety level | 1 |
| Morphology | This spore suspension is a pure spore suspension, which is obtained by cell separation and collection of spores. It can be used directly, and the corresponding volume can be added according to the test requirements. |
| Application | It is suitable for the production of sterilization effect indicator bacteria and high-density Bacillus coagulans in canned food. |
| Sharing mode | Public welfare sharing |
Quality control sample of total number of feed colonies
BNCC361566
8099 Escherichia coli carrier (steel sheet)
BNCC361998
Standard quality control sample of pseudomonas aeruginosa in drinking water
BNCC362542
Water quality fecal coliform standard quality control sample (Membrane membrane method)
BNCC360398
Escherichia coli bacteriophage PhiX174 standard quality control product
BNCC362981
Water Quality Total Coliform Standard Quality Control Sample (Paper Rapid Method)
BNCC360407