Long subspecies of Bifidobacterium longum|371780 |BNCC

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Bifidobacterium longum subsp. 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 ℃; 48-72h; anaerobic
Subculture procedure	① Dissolve the frozen tube in a water bath (fungi at 30 ℃, bacteria at 37 ℃) and shake rapidly for dissolution; ② Wipe the outer wall of the Frozen vial with an alcohol swab for disinfection, and then transfer it to a safe cabinet for operation; ③ Unscrew the tube cap, aspirate all the dissolved solution, and transfer it into 1-2 agar plates (the plates should be placed in an anaerobic environment for 24 hours in advance, with each Agar plate containing approximately 200 μ L); ④ After uniform coating, transfer to the above cultivation conditions for cultivation.
Storage conditions	-80 ℃
Safety level	1
morphology	The colony diameter is 1-2mm, circular, with neat edges, opaque, gray 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