Escherichia coli|188021 |BNCC

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Enterobacter sp.

Culture medium	BNCC352239
Description	Nutrient Agar
Composition	Peptone:10.0g, Beef Extract Powder:3.0g, NaCl:5.0g, Agar:15.0g, pH:7.3±0.1(25℃)
Growth conditions	30°C; 18-24h; Aerobic
Subculture procedure	① Prepare 1 tube containing 5-10mL liquid medium and 2 plates; ② Open in a safety cabinet, cauterize the top with an alcohol lamp, then quickly add sterile water to rupture it; break it into pieces with forceps; ③ Pipette 0.5 mL of 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 bacterial suspension onto a plate, 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 growth appears.
Storage conditions	2-8°C
Safety level	2
morphology	Colony diameter: 1-2 mm, circular, with neat edges; opaque, grayish-white upper surface; centrally raised; smooth, shiny surface; moist texture; easily liftable; G- (red); bacillus; purity: pure
Sharing mode	Public welfare sharing