4. AOACRIMicroMethods-2018Awards

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780  B ird et al . : J ournal of AOAC I nternational V ol . 98, N o . 3, 2015

Table 8. Total yeast and mold log 10 counts for raw almonds by 3M Petrifilm RYM Count Plate after 48 h incubation at 28 ° C versus FDA BAM (ref. 1) and ISO 21527 (ref. 2) reference methods a Uninoculated control Low Medium High Petrifilm RYM FDA BAM/ISO 21527 b Petrifilm RYM FDA BAM/ISO 21527 Petrifilm RYM FDA BAM/ISO 21527 Petrifilm RYM FDA BAM/ISO 21527 g Lab A c B A B A B A B A B A B A B A B 1 1.00 d 1.00 d 1.00 d <1.00 1.30 1.48 1.78 1.85 1.78 1.90 2.28 1.95 1.90 e 2.20 e 2.04 f 2.40 f 2 1.30 d 1.30 d 1.30 d 1.85 d 1.78 1.60 2.04 1.70 1.78 1.78 2.11 2.34 2.11 e 2.11 e 2.64 2.84 3 <1.00 <1.00 <1.00 <1.00 1.78 1.30 1.60 1.60 2.34 2.30 2.38 2.18 3.57 3.15 3.30 3.11 4 g NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 5 <1.00 <1.00 <1.00 <1.00 1.60 1.78 1.78 1.95 2.30 2.00 2.30 2.45 3.34 3.15 3.18 3.18 6 <1.00 <1.00 <1.00 <1.00 1.78 1.30 2.20 1.78 1.78 1.30 2.34 2.20 3.04 3.11 3.36 3.28 7 <1.00 <1.00 <1.00 <1.00 1.60 1.48 1.70 1.30 2.36 2.20 2.43 2.11 3.18 3.04 3.20 3.11 8 <1.00 <1.00 <1.00 <1.00 1.85 1.90 1.00 1.00 2.43 2.45 2.00 2.08 3.20 3.40 3.00 3.08 9 <1.00 <1.00 <1.00 <1.00 1.30 1.30 1.48 1.00 2.53 2.45 2.56 2.53 3.08 3.00 3.04 3.00 10 <1.00 <1.00 <1.00 <1.00 1.30 1.30 1.30 1.00 2.11 2.38 2.00 2.56 3.26 3.18 3.30 3.04 11 <1.00 <1.00 <1.00 <1.00 1.60 1.30 1.48 1.60 2.15 2.30 1.95 1.90 3.15 3.15 3.15 3.08 12 <1.00 <1.00 <1.00 <1.00 1.70 1.85 1.30 1.00 2.28 2.26 2.00 2.00 3.70 3.34 3.40 3.08 13 <1.00 <1.00 <1.00 <1.00 1.60 1.60 1.48 1.30 2.15 2.28 1.78 1.95 2.78 2.90 2.90 2.95 14 <1.00 <1.00 <1.00 <1.00 1.60 1.70 1.70 1.78 2.53 2.08 2.76 2.08 3.49 3.08 3.40 3.23 15 <1.00 <1.00 <1.00 <1.00 1.78 1.78 1.78 1.85 2.11 2.45 2.45 2.30 3.08 2.70 3.41 3.41 a  Log 10

yeast and mold CFU/g. b  FDA BAM and ISO 21257 reference method replicates were enumerated at 5 and 7 days (uninoculated test portions) of incubation at 25 ° C. c  A and B = Indicated duplicate test portions. d  Data not included in statistical analysis for this contamination level. e  Double Grubbs’ outlier. f  Single Grubbs’ outlier. g  Laboratory data not included in statistical analysis for all contamination levels.

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