
Twenty-one laboratories participated in a collaborative study to validate a hydrophobic grid membrane filter (HGMF) method for aerobic plate count by comparing its performance against the AOAC/APHA pour plate method. Raw milk, raw poultry, whole egg powder, flours, and spices were included in the study. Counts obtained by the HGMF and pour plate methods did not differ significantly, except in the case of whole egg powder, for which the HGMF method produced significantly higher counts. The hydrophobic grid membrane filter method for aerobic plate count in foods has been adopted official first action.
Bacteriological Techniques, Meat, Eggs, Flour, Bacteria, Aerobic, Milk, Food Microbiology, Animals, Cattle, Condiments, Chickens, Filtration
Bacteriological Techniques, Meat, Eggs, Flour, Bacteria, Aerobic, Milk, Food Microbiology, Animals, Cattle, Condiments, Chickens, Filtration
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