Penicillium flavum|146098 |BNCC

Essential Information Certificate Related Products

Penicillium chrysogenum

Subculture procedure	① Prepare 1-2 plates as mentioned above; ② After disinfecting the inclined surface of the test tube, open it in the safety cabinet; ③ Cut small square blocks of 0.5 × 0.5cm2 using a sterile inoculation hoe and inoculation shovel (see attached page); ④ Place the small square block flat on the center of the Agar plate and onto the surface of the agar; ⑤ Cultivate the flat Agar plate under the above cultivation conditions, and the strain can be used once it grows.
Growth conditions	28 ℃; 5-7 days; aerobic;
Storage conditions	2-8 ℃
Safety level	1
morphology	Migratory growth, filamentous, lighter in color, light in color
Sharing mode	Public welfare sharing

Penicillium citrinum

No. 146098

Storage conditions: 2~8 ℃

Product format: agar slant in 14mm test tube

Validity: growing culture,in 30days

Biosafety level: 1, handle in ultra-clear table or safety cabinet

Receiving notice: if any abnormality is found on the day of receipt, please contact the customer service within 24 hours. If it is overdue, it is deemed that the bacteria are well. The freeze dried culture shall be used up once and shall not be retained. The bacterial viability will resume after 1-2 generation of recovery and can be used normally. Handling instructions of agar slant and suspension liquid is enclosed. Please operate in strict accordance with this instruction, otherwise the replacement of bacteria are not be available in case of aberrant growth and loss of viability.

Growth conditions:28 ℃, aerobic, Cha's agar, 5-7 days. Cha's agar: 3g of sodium nitrate, 1g of dipotassium hydrogen phosphate, 0.5g of magnesium sulfate, 0.5g of potassium chloride, 0.01g of ferrous sulfate, 30g of sucrose, 15g of agar, 1.0L of distilled water, pH 6.2±0.2. Sterilization at 121 ℃ for 15min.

Recovery steps:

(1) Prepare 1-2 Cha's agar plates;

(2) Sterilize the surface of test tube for the agar slant, open it in the biosafety cabinet;

(3) Cut into the pieces with aseptic inoculation hoe and inoculation shovel (see attached page). the size of square pieces is 0.5 × 0.5cm2;

(4) Lay flat the small pieces to the center of the agar plate;

(5) Put the plates under the above culture conditions, and the strains can be used when they grow.

Recovery record: According to the recovery instructions, the results of the recovery are reported as follows:

item	test results
viability:	good viability，in 5-7 days plate colony is obvious
colony morphology:	small filamentous fungi with obvious colonies and light yellow on Cha's agar medium, mycelium is dense and vigorous, spreading to the edge of the plate, and the back of the medium is light yellow.
conclusion:	good viability, no abnormal colony morphology, qualified

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