While ensuring daily nutrition, it can save some foods, such as dried dates, hirudin, dried mushrooms, tofu and other dry goods. As long as the storage environment can be kept dry or sealed and difficult to deteriorate, it can still be preserved for several years. You can also store some canned food. Canned food was used from the beginning to solve the problem of uneven food storage and nutrition of sailors on board and in the army. Its lunch meat, fish and even vegetables can be canned, and the shelf life ranges from 1 year to 5 years. Honey is a very special food, and its main components are monosaccharides such as glucose and fructose. In addition, it also contains a variety of vitamins, minerals and amino acids, which can provide a lot of nutrition for the human body. Honey is not suitable for microbial parasitism and has antibacterial effect.
Milk is nutritious, so you must buy raw milk and pure milk. If it is stored for a long time, you can buy milk or autoclaved milk powder. They can remain unopened for up to a year. Besides milk, you can also store some mineral water to get ready. Fresh vegetables can only be stored for a few weeks to a month, while green leafy vegetables are mostly water. Relatively speaking, it does not meet the requirements of storage resistance and high nutritional density, and only supplements vitamins and some minerals, as well as protein, which needs less fat and carbohydrates for survival. This indirectly leads to the fact that in many places, due to limited production capacity, it seems that every family has a supply, but there are still people starving.
Rice, oil, salt, sauce, vinegar and tea are all necessities for ordinary families. Rice is food that provides us with energy, and we can't live without it. Besides rice, there are noodles and rice noodles, which can be stored. Many rice is vacuum packed. As long as the bag does not swell and open, the shelf life is one year. Keep flour, noodles and rice noodles dry and sealed to prevent moisture.