Micro December 2018

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Michael Brodsky

Brodsky Consultants, 73 Donnamora Crescent, Thornhill, Ontario L3T 4K6, Canada 3

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Maria Cristina Fernandez

Universidad Maimonides, Hidalgo 775 (esq. Felipe Vallese), C1405BCK Buenos Aires, Argentina 6

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Scope of Method

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( a ) Target organisms. — Escherichia coli and coliforms.

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( b ) Matrices. —Evaluated with Butterfield’s phosphate-buffered dilution water (BPBD):

Pasteurized whole milk, butter, non-fat dry milk powder, fresh raw ground pork (90% lean), 12

lamb chop, fresh raw ground chicken (92% lean), chicken carcass rinsate, shell eggs, liquid egg 13

whites, powdered egg whites, sprouts, cranberries, powdered infant formula with probiotics, 14

powdered infant formula without probiotics, dry dog kibble, flour (all-purpose), chocolate chip 15

cookie dough. Evaluated with BPBD and peptone salt solution (PSS): fresh raw ground beef 16

(73% lean), raw frozen chicken wings (bone in, skin on), raw milk, whole liquid egg, tuna sushi 17

(tuna fillet, no rice), smoked salmon, bunched spinach, pasteurized carrot juice, ready-made 18

sandwiches (turkey breast, provolone cheese, lettuce, red onion and multi-grain bread), raw 19

vegetable with salad dressing (coleslaw), chicken feed, soybean meal, stainless steel 20

environmental surface (type 304, food grade, sampled by sponge), sealed concrete 21

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environmental surface (sampled by sponge).

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