Enterococcus faecalis (Enterococcus faecalis)|337174 |BNCC

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Enterococcus faecalis

Culture medium	BNCC352252
Description	Brain Heart Infusion Agar
Composition	Beef Brain Infusion Powder:4.0g, Beef Heart Infusion Powder:4.0g, Peptone:5.0g, Casein Peptone:16.0g, NaCl:5.0g, Glucose:2.0g, Na₂HPO₄:2.5g, Agar:13.5g, pH:7.4±0.2(25℃)
Growth conditions	37°C; 18-24h; aerobic
Subculture procedure	① Prepare 1 test tube containing 5–10 mL liquid medium and 2 plates; ② Open in a safety cabinet, cauterize the top with an alcohol lamp, then quickly add sterile water to shatter it; break into pieces with forceps; ③ Pipette 0.5 mL liquid medium into the freeze-dried vial, dissolve completely, then return to the liquid test tube and mix thoroughly; ④ Pipette 0.2 mL of the bacterial suspension onto each Agar plate and spread evenly. Repeat twice to obtain two plates. ⑤ Incubate all liquid tubes and plates under the specified conditions. The culture is ready for use once bacterial growth appears.
Storage conditions	2-8°C
Safety level	1
morphology	Colony diameter: 0.5–1 mm; circular, with neat, opaque edges; grayish-white upper surface; raised center; smooth surface; easily liftable; Gram-positive (blue-violet); cocci
Sharing mode	Public welfare sharing