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BNCC

Escherichia coli

SKU 133721

Bioware

A preserved microbial culture intended for controlled microbiological studies and reference use.
Suitable for culture-method verification, identification workflows, media performance assessment, and laboratory quality control.

Technical Specifications

OrganismEscherichia coli
Material TypeMicrobial Strain
Preservation FormFreeze dried pellet
Morphological CharacteristicsThe colony diameter is 1-2 mm, circular with regular edges and opaque. The obverse side is creamy white, while the reverse side is yellow, centrally raised with a smooth surface and moist texture, easily picked off. No pigment production is observed. Gram-negative (red), rod-shaped bacteria, purity: pure.
Culture Method① Prepare 2 plates; ② Open the safety cabinet, burn the top with an alcohol lamp, quickly drip sterile water to break it, and then use tweezers to crush it; ③ Suck 0.5mL sterile water into the freeze-drying tube, dissolve thoroughly, and mix well; ④ Transfer 0.2mL of bacterial suspension into a Agar plate, apply evenly, and repeat twice to obtain two plates; ⑤ Place all the plates under the above cultivation conditions, and once the strains grow, they can be used.
Culture Conditions37 °C; 18-24h; aerobic
Provided FormatsFreeze dried pellet; Agar Slant; Bacterial suspension; Agar plate
Culture Medium No.352239
Culture Medium NameNutrient Agar
Culture Medium CompositionPeptone:10.0g, Beef Extract Powder:3.0g, NaCl:5.0g, Agar:15.0g, pH:7.3±0.1(25°C)
ApplicationMicrobiological research, method verification, culture studies, and laboratory quality control.
Storage Conditions2-8 °C
Country of OriginChina

Documents

The Certificate of Analysis (COA) is issued for the applicable batch or lot and is available upon request.