With the result being effectively that almost all provisions you looted yesterday are rotten the next day. The exception being salami, which last a few more days, but eating too much of it makes you take damage after going to the bathroom. You also get a stacking debuff.

The only way to not have to eat the salami will be to log in within 8 hours of picking up some veggies.

The only canned food in the game will be decorative unlootable assets.