Throw away these 6 things as soon as they spoil!

I. Cooking oil
Cooking oil is an indispensable item in our kitchens, affecting the taste and healthiness of the food we cook. Generally speaking, cooking oil has a limited shelf life.
However, problems can still occur even within the shelf life. For example, if you find that the cooking oil has developed a rancid smell, this is a very dangerous sign.
The appearance of this smell indicates that the cooking oil has begun to oxidize and spoil. Oxidized cooking oil contains a large number of free radicals and harmful substances. Consuming such oil may damage body cells and increase the risk of disease.
Furthermore, cooking oil may spoil prematurely if it is exposed to sunlight or high temperatures for an extended period of time, even if it has not yet reached its expiration date.
So when you smell an unusual odor in cooking oil or find that its color has become very dark, don't hesitate any longer, just throw it away.