Common name: freeze-dried rabbit plasma
English name:Freeze-Dried Rabbit Plasma
Plasma coagulase test for Staphylococcus aureus.
Pathogenic Staphylococcus can produce plasma coagulase, which turns fibrinogen in plasma into insoluble fibrin and attaches to the surface of bacteria, forming clots.
Rabbit plasma, citrate.
Add 0.5ml of matching solvent to each penicillin bottle, gently shake until completely dissolved, then add 0.3ml of fresh broth culture, gently rotate the bottle until fully mixed, and place it at 36 ± 1 ℃ for cultivation. Observe the results every half hour until the end of 6 hours.
When tilted or inverted, if a solidified block appears, or if the volume of the solidified block is greater than half of the original volume, it is considered positive. Staphylococcus aureus is positive and plasma clots; Staphylococcus epidermidis is negative and the plasma does not coagulate.
When observing the results, it is important to avoid forceful vibration of the penicillin bottle to prevent the clot from shattering.
Store at 2-8 ℃ away from light.
【Period of validity】
The validity period is 1 year.
1. GB 4789.10-2016 National Food Safety Standard for Microbiological Examination of Food - Examination of Staphylococcus aureus
2. GB 4789.28-2013 National Food Safety Standard - Quality Requirements for Food Microbiology Testing Media and Reagents