The conversion syrup for making moon cakes has expired and cannot be used.
Effects of expired food on health:
1. Expired food may cause food poisoning, which can be divided into biological and chemical types. Biological poisoning means that expired food is infected by salmonella, campylobacter, Escherichia coli and other bacteria, causing sudden diseases such as nausea, vomiting, diarrhea and even respiratory and circulatory failure.
2. In addition, expired food may undergo chemical changes while being infected by bacteria, producing aflatoxin, nitrosamines, acrylamide and other substances, leading to chemical poisoning, inducing cancer, cardiovascular diseases and even gene mutation.
3. The food that has passed the shelf life does not necessarily mean that it can no longer be eaten. This is like the machine that has passed the shelf life, although it can be used, but the risk has increased.
4. In order to prolong the shelf life of products and keep them from sensory changes, manufacturers may add some chemical raw materials, such as preservatives. People will cause chronic poisoning if they eat it, especially children and pregnant women.
Extended information:
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 fruit wine for half a year.
2. beverages: fruit juice soda, fruit flavored soda and cola soda. the shelf life in glass bottles is 3 months, and in cans it is 6 months. Fruit juice is bottled in glass for 6 months.
3. Canned food: fish and poultry can and glass bottle have a shelf life of 2 years; 15 months for canned fruits and vegetables and glass bottles; The shelf life of fried dried fruits, tomato sauce, tin cans and glass bottles is 1 year; Tinplate can milk powder for 1 year, glass bottle for 9 months and 5g plastic bag for 4 months.
4. Sugar: biscuits are tinned for 3 months, packed in plastic bags for 2 months, and bulk for 1 month; The shelf life of chocolate and sandwich chocolate is 3 months, 6 months for pure chocolate and 1 month for bulk chocolate. Seasoning soy sauce and edible vinegar for 6 months.
Baidu Encyclopedia-Shelf life
People's Daily Online-Is it harmful to eat food that is about to expire?