1, compressed biscuits are made of puffed powder, sugar, peanut oil, salt, sesame seeds and water, which are crisp and not easy to be softened by water absorption. The common compressed biscuits in supermarkets are "Guanshengyuan" produced by Shanghai Guanshengyuan and "compressed dry food" produced by Qinhuangdao. )

2. It is suitable for long-term storage and transportation because it is sterilized at high temperature and high pressure during expansion. It is sanitary and convenient to pack in plastic bags. Compressed biscuit is a kind of portable food specially prepared according to the nutritional components needed by human body every day. In an emergency, compressed biscuits can basically meet the needs of the human body.

3. Generally, compressed biscuits are about 100g, and the calories are 450-500 kcal, which is about 100- 150 kcal higher than a meal (2 rice, some vegetables and meat). Compressed biscuits can be eaten dry, but it's best to take a sip of water and eat compressed biscuits.

4. How much do you eat at a time? According to the calorie estimation in point 3 above, combined with the actual situation, it is good to eat a compressed biscuit (with two pieces in it) packed in Guanshengyuan 1 18g. Of course, this is for reference only. It's no problem to have a good appetite at ordinary times.