Brewing yeast|341572 |BNCC

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Saccharomyces cerevisiae

Subculture procedure	① Prepare 2 of the above plates; ② After disinfecting the surface of the ampoule tube, open it in a safety cabinet, burn the top with an alcohol lamp, quickly drip sterile water to break it, and then use tweezers to crush it; ③ Take 0.5mL of sterile water and transfer it into a freeze-drying tube. After fully dissolving the bacterial powder, transfer it into 2 plates at a rate of 200 μ L per Agar plate and apply evenly; ④ Place the petri dish under the above cultivation conditions for cultivation, and once the bacterial strain grows, it can be used.
Growth conditions	30 ℃; 24-48 hours; aerobic
Storage conditions	2-8 ℃
Safety level	1
morphology	The colony diameter is 1-2mm, circular, with neat edges, opaque, milky white on the front, raised in the middle, bright and smooth on the surface, sticky texture, and moist texture
Sharing mode	Public welfare sharing

Description

1. Name: Saccharomyces cerevisiae

2. BNCC No.: 341572

3. Biosafety level: 4

2. Storage conditions:
Storage of freezed dried ampoule and agar slant at 2°C to 8°C

3. Growth Conditions

1, YM medium: yeast extract, 3.0g malt extract, 3.0g glucose, 10.0g protein block, 5.0g agar, 20.0g distilled water 1000 ml ,pH 6.2 +/- 0.2 & nbsp;

2. Atmosphere: aerobic

3, Temperature: 25-30 ℃

4. Notes:
1.Normal culturing time, 1-2 days for bacterial, 3days for yeast, 5-7days for mould, 7-10days for fungal.

2.Agar slant shall be inoculated asap, and do not keep the storage for more than 3 months.

3.Please recover the strains in strict accordance with this instruction, otherwise the replacement of the strain are not be available in case of viability loss caused by different media or growth conditions.

4.Waste generated from the handling process should be discarded after high-pressure sterilization

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