BeNa Culture Collection
Culture medium | Tryptone: 15.0, soy peptone: 5.0, sodium chloride: 5.0, agar: 15.0,pH:7.3±0.2(25 ℃) |
Subculture procedure | ① According to the culture conditions, the bacteria are first cultured into a bacterial suspension; ② Measure the absorbance of the bacterial suspension and calculate the initial concentration of the bacterial suspension according to the standard formula; The initial concentration multiplied by the survival rate is the actual concentration after freeze-drying; ④ According to the actual concentration after freeze-drying, the bacterial suspension was diluted to obtain the target concentration, and then subpacked and freeze-dried; |
Growth conditions | 30 ℃;18-24h; aerobic |
Storage conditions | -80 ℃ |
Safety level | 1 |
morphology | The colony is 0.5-1mm in diameter, round, with neat edges, opaque, gray-white front, convex in the middle, bright surface, smooth surface, moist texture, easy to pick up, G-(red), bacilli |
Sharing mode | Public welfare sharing |