R2A agar control medium
[Number]: YJ-135027
[Name]: R2A agar control medium
[Specifications]: 5.5g/300mL/bag
[Price]: 135 yuan
[Name]: R2A agar control medium
[Specifications]: 5.5g/300mL/bag
[Price]: 135 yuan
R2A agar control medium
Category: Control medium
New batch number:135027-201602
New batch number:135027-201602
Old batch number: 135027-201401
Formula: Refer to the 2015 edition of the Chinese Pharmacopoeia.
Appearance: Light yellow uniform powder, yellow translucent liquid after sterilization.
Packaging and loading capacity: aluminum-plastic bags; 4.55g/300mL, 50 bags/box, the average loading capacity of this product is 4.60g/bag, RSD = 0.06% (n = 10, S = 0.01g).
Usage: Take 1 bag of this product, add 300mL of purified water and mix well, dissolve at low temperature, and use after sterilization according to the verified damp heat sterilization procedure.
PH: The 2015 edition of the Chinese Pharmacopoeia stipulates that after sterilization, the pH of this product is 7.2 ± 0.2, and the pH of this product is 7.0 (25 ° C).
Capacity for growth:
The following test strains were taken, inoculated into the medium with no more than 102 cfu, incubated at 30-35 ° C for 48 hours, and the test strains grew well;
Bacillus subtilis [CMCC (B) 63501]
Staphylococcus aureus (Staphylococcus aureus) [CMCC(B) 26003]
Escherichia coli [CMCC (B) 44102]
Pseudomonas aeruginosa (Pseudomonas aeruginosa) [CMCC(B) 10104]
Salmonella paratyphoid type Bin paratyphi B)[CMCC (B)50094].
The following test strains were inoculated into the medium at no more than 102 cfu, cultured at 23-28 ℃ for 5 days, and the test strains grew well.
Candida albicans [CMCC (F) 98001]
Aspergillus niger [CMCC (F) 98003]
Storage: Keep the package closed, store in a dry place, and store at 2~ 25 ° C. Air leakage cannot be used.
Expiration date: December 31, 2019
This batch of control medium meets the requirements of "Chinese Pharmacopoeia" 2010 edition of the medium applicability test, and can be used for microbial counting in water to determine the applicability test or inspection of the medium.
Please use it according to the instructions. If it is used for other purposes, the user must prove the applicability by himself.
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