the food samples should be kept for more than 48 hours.

all meals and food sold in the staff canteen must be collected and reserved before sale, and the collection shall be completed by a special person. Every meal, every food must leave enough 111 grams as required. For the food with soup, some soup should be reserved and put in sterilized sample collection boxes respectively. The sample food shall be kept in the refrigerator for at least 48 hours.

Sample-keeping food is responsible for leaving samples for food. In principle, sample-keeping food should include all processed food products, and make sample-keeping records and sample marks. Each sample must be marked with the name of the product, the processing time, the processing personnel and the sample-keeping time. In other cases, the health supervision institution or catering unit can decide the sample variety by itself according to the needs.

the importance of food samples

first of all, food samples can help relevant departments to identify harmful substances in food in time. In the market, many foods contain toxic substances, and many people think that these substances are harmful to health, thus causing food safety incidents. The detection of food samples can find harmful substances in time, thus reducing the occurrence of food safety incidents and taking corresponding measures in time to ensure food safety.

Secondly, food retention samples can help the regulatory authorities to find problems in food additives or raw materials in time. In the process of food production, raw materials and additives are extremely important. Only by ensuring the effectiveness of raw materials and additives can the quality and safety of food be guaranteed.