Lactobacillus plantarum|138404 |BNCC

Essential Information Certificate Related Products

Lactobacillus plantarum

Subculture procedure	① Prepare 1-2 of the above plates; ② Open the safety cabinet and follow the arrow indication on the cap of the penicillin bottle to open the strain and reconstitution solution; ③ Add 1mL of the complex solution to the freeze-dried powder, cover with a rubber stopper, and shake to dissolve; ④ Take 200 μ L of bacterial suspension separately and inject it into two plates, apply evenly; ⑤ Place the petri dish under the above cultivation conditions for cultivation, and once the bacterial strain grows, it can be used.
Growth conditions	37 ℃; 2-3 days; Micro aerobic (3% -5% O2, 10% CO2);
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, moist texture, viscous texture, G+(blue purple), Bacillus, purity: pure
Sharing mode	Public welfare sharing

Lactobacillus plantarum

Storage conditions: 2~8 ℃

No. 138404

Product format: freeze dried,200ul

Validity period: 6 years

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: 37°C, microaerobic, MRS medium, 2-3 days. MRS medium: peptone 10.0g, beef extract 10.0g, yeast powder 4.0g, glucose 20.0g, magnesium sulfate 0.2g, sodium acetate 5.0g, triammonium citrate 2.0g, dipotassium hydrogen phosphate 2.0g, manganese sulfate 0.04g , Tween 80 1.0g, agar 20.0g (liquid medium not included), distilled water 1.0L. pH 5.7±0.2. Sterilize at 121℃ for 15min.

Recovery steps:
(1)Prepare a test tube containing 5-10mL of liquid culture medium and 2 plates;
(2)Open the ampoule in the biosafety cabinet, heat the tip of ampoule in a flame, quickly drop sterile water to creak it, then break it with forceps;
(3)Draw 0.5mL of liquid culture medium into a freeze dried ampoule, fully rehydrate and transfer the solution to the liquid test tube, mix evenly;
(4)Inoculate a plate with 0.2mL of suspension liquid, repeat the step to obtain two plates;
(5)Put all the liquid test tubes and plates under the above culture conditions for cultivation, 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 2 days strain layer become obvious, colony is typical on the streaked plate
colony morphology: (above)	Size: 1-2mm Shape: Round Edge: Neat Transparency: Opaque Color: Milk White Protuberance: Middle Protuberance Surface: Bright and Smooth Texture: Wet and Sticky
Conclusion:	good viability, no abnormal colony morphology, qualified

Download certificate