Quantitative strain of Aspergillus niger|364779 |BNCC

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Quantitative strains of aspergillus niger

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  • number：364779
  • Packing：Penicillin Bottles
  • Form：
    Small filamentous fungi grow well and spread on comprehensive PDA medium, producing black spores on the front of the medium and yellow on the back with radioactive folds.
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Quantitative strains of aspergillus niger
Subculture procedure ① Cultivate the bacteria into a bacterial suspension according to the cultivation conditions first; ② Measure the absorbance of bacterial suspension and calculate the initial concentration of bacterial suspension according to the standard formula; ③ The actual concentration after freeze-drying is obtained by multiplying the initial concentration by the survival rate; ④ Dilute the bacterial suspension according to the actual concentration after freeze-drying to obtain the target concentration, and then divide and freeze dry it;
Growth conditions 28 ℃; 5-7 days; Aerobic
Storage conditions -20 ℃
Safety level 1
morphology Small filamentous fungi grow well and spread on comprehensive PDA medium, producing black spores on the front of the medium and yellow on the back with radioactive folds.
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