We often put the rest of the food in the refrigerator and wrap it in plastic wrap. Then we will take it out again when we eat it next time. Then, if it is fresh, can the dish really be fresh? However, the plastic wrap is really fresh. Useful? Its practical plastic wrap preservation can only be useful for raw foods. It is useless to use cooked plastic wrap to make cooked foods. Because cooked foods are sealed with plastic wrap, it is just a space for bacteria to grow. Then, after putting it in the refrigerator, it will breed a lot of bacteria and it will be very unhealthy to eat. So everyone can just finish the dishes that they can finish, don't eat the rest or overnight dishes, so that they will be healthier.
Is cling film really useful? Let us look at the principle of cling film: the wrap film has moderate oxygen permeability and moisture permeability, so as to adjust the oxygen content and moisture content around the fresh food, because the internal and external oxygen can communicate, so it can effectively prevent anaerobic bacteria. Breeding and blocking the dust in the air, thus extending the shelf life of the food. Therefore, preservation includes 'water retention', 'quality preservation' and 'protection nutrition'. Generally speaking, foods that use plastic wrap properly can be kept fresh at room temperature for about one week.
Therefore, in life, we must use the plastic wrap reasonably, play the biggest role of plastic wrap, and reduce the harm of cling film to the human body. I hope that the above insights are really useful for cling film. This question is helpful.
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