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Chapter 110 Do not store cooking oil for more than one year

Edible vegetable oil, referred to as edible oil.It includes rapeseed oil, peanut oil, sesame oil, soybean oil, tea oil, etc.Because edible oil is prone to acidification during storage, the degree of acidification is related to the storage time. The longer the storage time, the more serious the acidification, and the edible oil may produce harmful substances during storage, and gradually lose the unique properties of edible oil. The aroma becomes sour.If a person consumes cooking oil that has been stored for a long time, symptoms such as stomach discomfort, nausea, vomiting, abdominal pain, and diarrhea will often occur.Therefore, cooking oil should not be stored for too long.

So, how long is it appropriate to store cooking oil?The results of investigation and research show that edible vegetable oils stored within one year generally meet the national health standards and are harmless to the human body, while those that have been stored for more than one year generally do not meet the national health standards.Therefore, the storage period of edible oil should be limited to one year.

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When buying cottonseed oil, you should pay attention to choosing refined cottonseed oil, because the gossypol pigment has not been removed from the crude cottonseed oil, and it is easy to oxidize the oil into reddish brown or dark brown, or even brownish black when exposed to oxygen.This oil tastes bad, tastes bitter and cannot be eaten.If you often eat crude cottonseed oil, it will also cause chronic poisoning. The biggest harm of this kind of poisoning is to cause human reproductive dysfunction.

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