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 | 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. |
| Growth conditions | 45 ℃;24-48h; Aerobic |
| Storage conditions | 2-8 ℃ |
| Safety level | 1 |
| Morphology | The colony diameter is 0.5-1mm, round, with neat edges, opaque, gray-white front, convex in the middle, bright surface, smooth surface, moist texture, easy to pick up, G + (blue-purple), bacilli |
| 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 |
BNCC362179
Bacillus pumilus nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362021
Pseudomonas aeruginosa infection carrier (cloth)
BNCC362622
Escherichia coli bacteriophage T1 standard quality control product
BNCC362950
Quartz powder contaminated with Bacillus atrophicus 9372
BNCC362553
Seawater total bacterial colony count quality control sample
BNCC363184