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What is the formula used for counting CFU ml?
cfu/ml = (no. of colonies x dilution factor) / volume inoculated
What is the standard for aerobic plate count?
The standard for aerobic plate count, also known as aerobic colony count or Total Viable Count (TVC), is typically expressed in colony-forming units per milliliter (CFU/ml) or per gram (CFU/g) of sample. The acceptable limits can vary depending on the type of product or industry, but generally, lower counts indicate better hygiene and quality of the sample.
How do i calculate Biologic log reduction?
Microbial load (cfu/g or cfu/ml) can be expressed as log10. So, if you have 100,000 microbes that is 5 log, 10,000 microbes is 4 log, 1,000 is 3 log, 100 microbes is 2 log and 10 microbes is 1 log. Now, if you went from 100,000 microbes cfu/g to 10,000 microbes cfu/g that would be a 1 log reduction (5 - 4 log). If you went from 100,000 to 32,000 that would be a 0.5 log reduction (5 - 4.5 log) and so on. I hope this helps St John Hall
What is the formula to convert ml to oz?
For a rough count, divide ml # by 28. -It will be close.
What is 1000 cfu in water colony testing?
CFU stands for colony-forming units and is a measure of the number of viable bacteria or fungal cells in a sample. If water testing reports 1000 CFU, it means there are 1000 individual bacterial or fungal colonies present in that specific volume of water. This count helps assess the level of contamination and determine if further action is needed to ensure water safety.
Pasteurized milk is allowed 20000 cfu ml how many colonies would be present if 1ml of a 10 -3 dilution was plated is 20000 cfu ml a health hazard?
If 1 ml of a 10^-3 dilution is plated, the number of colonies would be 20 colonies (20000 cfu/ml / 10^-3). Whether 20000 cfu/ml is a health hazard would depend on the specific bacteria present and their pathogenicity, as well as individual health conditions. Generally, a high level of bacteria in food products can pose a health risk, especially for vulnerable populations.
How do you convert 50 mg per mL to 500 ug per mL in 500 mL?
0.005 ug/ml
What does this mean please Doctor's office closed on weekends. Test result-Urine contaminated with 10000-100000 CFU per mL of mixed flora?
The doctor's office is closed on weekends. The test results show that the urine sample is contaminated with a high concentration of bacteria (10000-100000 CFU per mL) from various types of microorganisms. It may be necessary to repeat the test to ensure an accurate diagnosis.
Convert 2.5g mL to the unit g L?
2.5 g per mL = 2,500 g per Litre.
Convert 222 mg per dl to mg per ml?
0.00022
If you have 0.05 ml of an undiluted culture at a concentration of 3.6x10 6 CFU ml You then add 4.95 ml sterile diluent What is the dilution factor and what is the final concentration of cells?
The dilution factor is 1:100, as you're adding 4.95 ml to the original 0.05 ml. The final concentration is calculated by multiplying the original concentration by the dilution factor, resulting in a final concentration of 3.6x10^4 CFU/ml.
Convert 0.338 gm per ml into kg per l?
0.338 grams per mL equals 0.338 kg per liter.
