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Counting of total microflora of food products by direct epifluorescent filter technique deft



Counting of total microflora of food products by direct epifluorescent filter technique deft



Sciences des Aliments 9(4): 713-724



The Direct Epifluorescent Filter Technique and the Standard method have been compared to count the total flora of 21 samples of raw ham, 92 samples of minced beef, 57 samples of raw fish fillets. The correlation coefficients for these three kinds of products, 0.88, 0.84, 0.95 respectively, are satisfactory. The prefiltration treatment applied to the samples does not reduce the total counts. The visual count limits the number of analyses to 20-30 daily, but the use of an image analyser increases considerably the possibilities. The correlation between visual counts and automatic counts was r = 0.98 for 92 samples of minced beef.

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