Shelf life and shelf life both indicate food quality and are calculated from the date of production, but they have different meanings. The shelf life refers to the date on which food quality is guaranteed under the conditions specified on the label (such as temperature, humidity, etc.). During this period, the food is fully fit for sale and consumption and meets the quality specified on the label or in the product standard, beyond which time the food may still be edible.

Shelf life refers to the final period during which food can be eaten under the conditions specified on the label. Once expired, it is no longer suitable for consumption and sale. At present, the former is mainly used in common standards.

As for the shelf life, the Ministry of Light Industry has made the following regulations in recent years based on the characteristics of different varieties and packaging materials:

1. Canned food. Fish, meat, and poultry for 24 months; fruits and vegetables for 15 months; fried dried fruits and tomato paste for 12 months. The shelf life of iron cans and glass cans is the same.

2. Drinks. Soda (fruity, juice, cola soda): 3 months in glass bottles and polyester bottles, 6 months in cans (two-piece cans). Juice and vegetable juice (including original juice, concentrated juice, high-sugar juice, juice water, vegetable juice, etc.): 6 months in glass bottles. Plant protein drinks (including soy, peanut, almond drinks, etc.): 3 months in glass bottles.

3. Wine. 11° and 12° mature beers will last for 4 months and above for 2 months; 14° mature beer for 3 months; 10.5° and below mature beer for 50 days. Wine, sherbet: 6 months in glass bottle. Sparkling wine and rice wine can be stored in glass bottles for 3 months. Liquor does not have a shelf life label.

4. Dairy products. Milk powder: 4 months in plastic bags, 9 months in glass bottles, 12 months in iron cans. Condensed milk: 3 months in glass bottles, 9 months in tinplate cans. Malted milk (including fortified malted milk and cocoa malted milk): 4 months in plastic bags, 9 months in glass bottles, and 12 months in tinplate cans.

5. Candy. Due to the complexity of the situation, the manufacturer can customize the period according to the factory's conditions, but it shall not be less than 3 months.

6. Chocolate. 3 months for filled chocolate and 6 months for pure chocolate.

7. Cookies. 3 months in tinplate barrels and 2 months in plastic bags.

8. Instant noodles. 3 months in plastic bag.

The shelf life specified above is the minimum shelf life of the product. Since there are many counterfeit and substandard foods and illegal activities in the food market in our country, consumers should enhance their self-care awareness and improve their self-protection ability when purchasing food. Pay attention to the three and two characters (product name, factory name, place name) on the trademark. Whether the date of production (production date, shelf life or storage period) is reliable and whether it is counterfeit, try to choose foods that comply with label regulations to ensure your own food safety.

What is the relationship between food nutrition and color?

White food is rich in more than 10 nutrients such as protein, which can maintain life and exercise after digestion and absorption, but often lacks essential amino acids for the human body; Yellow food is a high-protein, low-fat food and is most suitable for middle-aged and elderly people with high blood fat. Red food is often a source of high-quality protein and many inorganic salts and trace elements, but lacks various vitamins. Green food can provide Carotene and multivitamins.

Scientific analysis points out that white vegetables, such as bamboo shoots, cauliflower, potatoes, and cabbage, are mainly composed of sugar water and have less nutrients; yellow vegetables, such as pumpkins and cucumbers, have slightly higher nutritional value than white vegetables; red vegetables, Such as tomatoes, red peppers, carrots, etc., have higher nutritional value than yellow and white vegetables; green vegetables, such as celery, rape, leek, green pepper, water spinach, etc. are rich in vitamins B1, B2 and a variety of trace elements, and have higher nutritional value than red vegetables.

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A special mention!! When you buy it, you should check the shelf life!! You should pay more attention to the shelf life when using it!!!!!!!