Streptococcus salivarius Quantitative Strain|354947 |BNCC

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Quantitative strains of streptococcus salivarius

Growth conditions	37°C; 18-24h, aerobic;
Subculture procedure	① First cultivate bacteria into a bacterial suspension under specified conditions; ② Measure the absorbance of the bacterial suspension and calculate its initial concentration using the 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	Colony diameter: 1-2mm, circular, with neat edges; opaque, grayish-white on both sides; centrally raised, smooth surface, glossy appearance, moist texture, easily lifted; G+ (blue-violet), cocci; Purity: Pure
Sharing mode	Public welfare sharing