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 |
Fecal coliform positive control quality control sample (Membrane membrane method)
BNCC359576
Seawater total bacterial colony count quality control sample
BNCC363184
Mycobacterium smegmatis nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362022
Water quality fecal coliform standard quality control material sample (multi-tube fermentation method)
BNCC360422
Water quality enzyme substrate method quality control sample
BNCC360391
Seawater total coliform positive control quality control sample (Multi-tube fermentation method)
BNCC363180