Journal
JOURNAL OF FOOD PROTECTION
Volume 65, Issue 7, Pages 1200-1206Publisher
INT ASSOC FOOD PROTECTION
DOI: 10.4315/0362-028X-65.7.1200
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This is a review of reports that employed aerobic plate counts on fresh meat and poultry products since 1985 it lists synopses of 100 applications. A total of 15 different plating media were used. with 48 (48%) being either plate count agar (PCA) or tryptone glucose yeast extract agar. The temperature-time relations ranged from a low temperature of 20degreesC for 120 h to 37degreesC for 24 h. Some 29 different temperature-time combinations were used among the total of 109, with 21 (19.3%) being 35degreesC/48 h. followed by 12 (11.0%) at 32degreesC/48 h. 11 (10.1%) at 25degreesC/48 h, and 9 (8.3%) at 25degreesC/72 h. Fifty-four (49.5%) plate count applications employed incubation temperatures of 30degreesC and below. From the 26 reports that employed psychrotrophic counts. 16 (61.5%) used PCA; 18 different temperature-time combinations were used. with 7degreesC/10 d employed by only four. Twenty-one (80.8%) employed an incubation temperature at or <10degreesC, and five employed an incubation temperature >10degreesC. There is a serious need for some consensus on methodologies for aerobic and psychrotrophic counts on fresh meat and poultry products.
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