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- W2340807685 abstract "The hygienic conditions of the hamburger patties collected from three patty manufacturing plants and six retail outlets were examined. At each manufactur-ing plant a sample from newly formed, chilled patties and one from frozen patties were collected from each of 25 batches of patties selected at random. At three, two or one retail outlet, respectively, 25 samples from frozen, chilled or both frozen and chilfed patties were collected at random. Each sample consisted of 30 g of meat obtained from five or six pattics. Total aerobic, coliform and E.tchekchia coli counts per gram were enumerated for each sample. The rnean log (X) and standard deviation (s) were calculated for the log,,, values for each set of 25 counts, on the assumption that the distribution of counts approximated the log normal. A value for the log,,, of the arithmetic mean (log A) was calculated for each set from the values of X and s. A xZ statistic was calculated for each set as a test of the assumption of the log normal distribution. The xZ statistic was calculable for 32 of the 39 sets. Four of the sets gave xZ values indicative of gross deviation from log normality. On inspection of those sets, distributions obviously differing from the log normal were apparent in two. Log A values for total, coliform and E. coli counts for chilled patties from manufacturing plants ranged from 4.4 to 5. I, I .7 to 2.3 and 0.9 to 1.5, respectively. Log A values for frozen patties from manufacturing plants were between < 0. I and 0.5 log ,(, units less than the equivalent values for chilled patties. Log A values for total. coliform and E. coli counts for frozen patties on retail sale ranged from 3.8 to 8.5, < 0.5 to 3.6 and -C 0 to I .9, respectively. The equivalent ranges for chilled patties on retail sale were 4.8 to 8.5, I .X to 3.7 and I .4 to 2.7, respectively. The findings indicate that the general hygienic condition of hamburgers patties could be improved by their- being manufactured from only manufacturing beef of superior hygienic quality, and by the better management of chilled patties at retail outlets. 0 1997 Elsevier Science B .v." @default.
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- W2340807685 date "1997-01-01" @default.
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- W2340807685 title "Assessment of the hygienic performances production processes' of hamburger patty" @default.
- W2340807685 hasPublicationYear "1997" @default.
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