Paper and food storage containers for checking shelf life using browning

摘要

The present invention relates to a method for confirming the expiration date using browning phenomenon, and in detail, it is possible to adjust the browning phenomenon to check the shelf life of vegetables, dairy products, etc. at a glance, and to store foods that can be stored by inserting this paper. It's about courage. The present invention has an object to prevent waste of food by easily inserting a paper that can confirm the expiration date into a dedicated storage container made by us and checking the expiration date at a glance, and thus checking the amount of food stored. In order to achieve the above object, the present invention consists in manufacturing a storage container made of plastic and putting a shelf life confirmation sheet in a space between the inner and outer surfaces of the container wall. The wall surface is dug to the size suitable for the expiration date, and the outside can be opened and closed in a similar shape to the door. The inside of the container wall has a small hole, so air is spread evenly inside the container. The lid part is configured in a modular manner. As described above, according to the present design, it is possible to check the shelf life at a glance without having to open the container again to check the shelf life and check the food or the date of the shelf life. In addition, it is possible to prevent wasting food by not checking the expiration date.