Prevent deterioration.

1. Take out all the air in the packaging container and seal it, keeping the bag in a highly decompressed state.

1. Scarcity of air is equivalent to the effect of hypoxia, which makes microorganisms have no living conditions.

2. In order to achieve the purpose of fresh fruit and no disease or rot.

3. Therefore, in order to prevent the purple water dried tofu from deteriorating, it should be packed in plastic vacuum packaging.