Aspergillus niger Quantitative Strain|364981 |BNCC

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Quantitative strains of aspergillus niger

Culture medium	BNCC352250
Description	Comprehensive PDA agar
Composition	Potato Infusion Powder:10.0g, Glucose:20.0g, KH₂PO₄:3.0g, MgSO₄.7H₂O:1.5g, Thiamine:0.008g, Agar:15.0g, pH:6.0±0.2(25℃)
Growth conditions	28°C; 48-72; Aerobic
Subculture procedure	① Cultivate bacteria into suspension according to culture conditions; ② Measure suspension absorbance and calculate initial concentration using standard formula; ③ Multiply the initial concentration by the survival rate to obtain the actual concentration after lyophilization; ④ Dilute the bacterial suspension to the target concentration based on the actual post-lyophilization concentration, then aliquot and lyophilize;
Storage conditions	-20°C
morphology	Texture: Fluffy; Produces black spores in later stages; Underside: Pale yellowish-brown with radial grooves
Sharing mode	Public welfare sharing