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

According to the distribution and logistics of products in the market, consider the shelf life of the same series of products and consumer cognition, and determine a shelf life. However, considering the slow circulation of products in the market, the requirements of supermarkets for the shelf life of products, and consumers may hesitate to buy foods with short shelf life, the shelf life of the market can be longer, but not longer than the relevant national standards.

The national food authorities have made the following provisions on the shelf life of some foods:

1. Alcohol: the shelf life of bottled ordinary cooked beer is 2 months, and that of special beer is 4 months; Bottled grape wine for six months.

2. Drinks: juice soda, fruit soda and cola soda. The shelf life of glass bottles is 3 months and canned for 6 months; The juice is bottled in glass for 6 months.

3, canned: canned fish and poultry, glass bottles, shelf life of 2 years; The cycle of canned fruits and vegetables and glass bottles is 15 months; The shelf life of fried dried fruits, tomato sauce, tin cans and glass bottles is 1 year; Tinplate canned milk powder 1 year, glass bottle for 9 months, 500g plastic bag for 4 months.

4. Sugar: cookies can be canned for 3 months, packed in plastic bags for 2 months, in bulk 1 month; The shelf life of chocolate and sandwich chocolate is 3 months, pure chocolate is 6 months, and bulk chocolate is 1 month. Seasoning soy sauce and vinegar for 6 months.

Baidu encyclopedia-food shelf life