Subject: diluent fold gen. Counting: count according to colony count principle and multiply with diluent fold to calculate bacterial colony count of each piece of product (cfu/pc).
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А можно параграф целиком? Не очень понятно о чем речь. |
если я правильно перевела, речь идет о тестировании на бактериальное загрязнение (Initial Contamination Bacteria Test), метод тестирования Test Method: (plate-count method) 1. Eluent: 0.1% peptone, 0.05% Tween-80, 0.9% NaCl solution. 2. Sample treatment: Decompose the product by sterile operation and move them into eluent, vibrate in vortex mixer for 2 minutes for use. 3. Aerobe culturing: product eluent 2ml inoculated to 2 plates respectively, 1 ml for each plate; each plate is injected with 20ml TSA, cultivating for 48-72h under 30-35℃. 4. Mold culturing: product eluent 2ml inoculated to 2 plates respectively, 1 ml for each plate; each plate is injected with 20ml SDA, cultivating for 5-7 days under 20-25℃. 5. Counting: count according to colony count principle and multiply with diluent fold to calculate bacterial colony count of each piece of product (cfu/pc). |
умножают на соотвествующее разведение |
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link 12.02.2012 6:53 |
+1 (или ...на коэффициент разведения) |
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