1.2ml Quality Control Strains Aspergillus Niger Glass Ampoule For Test Sterility

1.2ml freezing Ampoul packaged equality control bacterial for test sterility

Quality Control Strains

Training method
Medium 1 modified Martin medium: peptone 5.0 g, yeast extract 2.0 g, glucose 20.0 g, dipotassium hydrogen phosphate 1.0 g, magnesium sulfate 0.5 g, agar 20.0 g, distilled water 1.0 L. pH 6.4 ± 0.2 at 121 ° C for 15 minutes. 2 or integrated PDA medium: 1000 mL of potato boiled juice, 3.0 g of potassium dihydrogen phosphate, 1.5 g of magnesium sulfate heptahydrate, 20.0 g of glucose, 10 mg of vitamin B1, 20 g of agar, and a natural pH. Potato boiled liquid: 200g potato, peeled, diced, boiled in distilled water for 30min, take the filtrate to a volume of 1000mL, and set aside.

Growth conditions
25-28 ° C, strict aerobic

Growth characteristics
The colony is white and filamentous, producing a large number of black spores black, the reverse side is yellowish brown, the surface of the colony is flat, there are radial grooves, the texture is velvety, and there is a small amount of colorless exudate. Conidial head ball type, diameter 50-80μm; spore stem diameter 10-15μm, smooth wall; apical spheroid, diameter 30-40μm, surface fully fertile; sporulation double layer, stalk base 10-12× 2-3 μm; bottle stem 6-8 × 2-3 μm; conidial sphere type, diameter 3-4 μm, rough wall.

Storage condition
4 ° C, protected from light and cold

use of Quality Control Strains:

Sterility examination, microbiological limit inspection of non-sterile products, and bacteriostatic efficacy check.

Media suitability test, growth promotion test, sensitivity test, method suitability test, positive control, etc.

standard strain

quality control bacterial strains

1.2ml Quality Control Strains Aspergillus Niger Glass Ampoule For Test Sterility Images