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What are the signs on food

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1. Production date

production date refers to the date and time when all processes of goods are completed on the production line, inspected and packaged into finished products that can be sold on the market

at present, most enterprises are gradually unifying the production date and batch number of products. In addition, the current mandatory national standard GB 7718-2004 general principles for labeling prepackaged food gives a clear definition of the production date (manufacturing date): “the date when food becomes the final product.”

2. Shelf life

the shelf life of a product refers to the best edible period of the product. The shelf life of the product is provided by the manufacturer and marked on the products for limited use. Within the warranty period, the manufacturer of the product is responsible for the quality of the product meeting the relevant standards or the quality conditions expressly guaranteed. The seller can sell these products with confidence and consumers can use them safely

3. Barcode

barcode is a graphic identifier that arranges multiple black bars and blanks with different widths according to certain coding rules to express a group of information. A common bar code is a parallel line pattern composed of black bars (referred to as bars) and white bars (referred to as empty bars) with very different reflectivity

bar code can mark the country of production, manufacturer, commodity name, production date, book classification number, starting and ending place, category, date and many other information of articles. Therefore, it has been widely used in many fields such as commodity circulation, book management, postal management, banking system and so on

4. Nutrient reference values of Chinese food labels

nutrient reference values (NRV) of Chinese food labels is a reference standard for comparing the content of food nutrients on food nutrition labels and a nutritional reference standard for consumers when choosing food. The reference value of nutrients is formulated according to the recommended dietary nutrient intake (RNI) and appropriate intake (AI) of Chinese residents

5. Net content

net content refers to the amount of goods contained after removing packaging containers and other packaging materials. Neither the packaging material of the commodity nor any other material packaged with the commodity shall be recorded as the net content

reference source: Baidu Encyclopedia – production date

reference source: Baidu Encyclopedia – shelf life

reference source: Baidu Encyclopedia – bar code

reference source: Baidu Encyclopedia – nutrient reference value of Chinese food label

reference source: Baidu Encyclopedia – net content

there must be some marks on the food package:
food name: the special name reflecting the real attributes of the food shall be clearly marked in the eye-catching position of the food label
ingredient list: the label of prepackaged food shall be marked with the ingredient list, and the specific names of various ingredients and additives in the ingredient list shall be marked according to the requirements of GB 7718-2011 general rules for labeling of prepackaged food
net content and specification: the marking of net content shall consist of net content, number and legal unit of measurement
name, address and contact information of the producer and distributor: the name, address and contact information of the producer shall be marked. The name and address of the producer shall be the name and address of the producer registered according to law and able to bear the responsibility for product safety and quality. Under any of the following circumstances, it shall be marked according to the following requirements
date marking: the production date and shelf life of prepackaged food shall be clearly marked
storage conditions: the label of prepackaged food shall indicate the storage conditions
food production license number: the label of prepackaged food shall indicate the number of food production license in accordance with relevant regulations
Product Standard Code: prepackaged food produced and sold in China (excluding imported prepackaged food) shall be marked with the standard code and sequence number implemented by the product
the specific contents are specified in GB 7718-2011 general rules for the labeling of prepackaged food.

QS is required, and production license is required.

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