Bifidobacterium longum|186627 |BNCC

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Bifidobacterium longum

Culture medium	BNCC352254
Description	BBL agar medium
Composition	Peptone:15.0g, Glucose:20.0g, Yeast Extract Powder:2.0g, Soluble Starch:0.5g, NaCl:5.0g, L-Cysteine:0.5g, Tomato Infusion Powder:5.0g, Liver Infusion Powder:2.0g, Tween 80:1.0mL, Agar:20.0g, pH:7.0±0.1(25℃)
Growth conditions	37 ℃; 24-48 hours; anaerobic
Subculture procedure	① Dissolve the frozen tube in a 37 ℃ water bath and shake quickly to dissolve; ② Wipe the outer wall of the Frozen vial with an alcohol swab for disinfection, and then transfer it to the anaerobic workstation for operation; ③ Unscrew the tube cap, extract all the dissolved solution, and transfer it into 1-2 agar plates (for anaerobic bacteria cultivation, the culture medium should be placed in an anaerobic environment for 24 hours to remove oxygen); ④ After uniform coating, transfer to the above cultivation conditions for cultivation. ⑤ The anaerobic cultivation environment can also be carried out in a 350ml anaerobic cultivation bag containing anaerobic gas generator.
Storage conditions	-80 ℃
Safety level	1
morphology	The colony diameter is 1-2mm, circular, with irregular edges, opaque, white on the front, raised in the middle, smooth and bright on the surface, moist texture, easy to pick up, G+(blue purple), Bacillus, purity: pure
Sharing mode	Public welfare sharing