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Ready-to-eat foods mainly refer to foods that can be eaten immediately at the place of sale.
Due to the contact between the seller and the food and the contact between the food and the air during the production and sale of bulk ready-to-eat food, the risk of microbial "secondary pollution" is often increased, which increases the unsafe potential hazards of bulk ready-to-eat food
[Sampling location]
Farmers' markets, food stores, supermarkets and catering units
[sample]
There are 4 categories of food including cold dishes, freshly squeezed juices, cooked meat products, and lunches
[Detection method]
Rapid detection of coliforms in food
[Result evaluation]
Evaluation of microbiological indicators according to the current effective relevant food safety standards in my country:
"Hygienic Standards for Cooked Meat Products" (GB 2726-2005);
"Cold Salad Quality and Safety Standard" (DB 13/889-2007);
"Hygienic Standards for Fruit and Vegetable Juice Beverages" (GB 19297-2003);
"Hygienic and Nutritional Requirements for Boxed Lunch" (DB 31/160-2005)
[Precautions for aseptic operation]
Light the alcohol lamp to create a local aseptic environment
Place a sterile bag or a sterile utensil on the balance, use a sterile utensil to take the sample and weigh 25g or 25mL, add 225mL of normal saline to dissolve the sample, or put the sample into a homogenization tube containing 225mL of normal saline.
Related Links
(1) (GB 4789.
(2) (GB∕T 4789.
(3) (GB∕T 22429—2008 Enzyme-linked immunoassay for rapid screening test of Salmonella , enterohemorrhagic Escherichia coli O157 and Listeria monocytogenes in foods ";
(4) (SN∕T 1869—2007 PCR method for rapid detection of multiple pathogenic bacteria in food";
(5) (SN∕T 1895-2007 Fast counting method of Staphylococcus aureus in food-Petrifilnl TM test piece method";
(6) (SN∕T 1897—2007 Determination of the total number of colonies in food-Petrifilm TM test piece method";
(7) (SN∕T 2424—2010 Real-time fluorescent PCR method for rapid and identification and detection of Vibrio parahaemolyticus in import and export foods"
