It is best to have soaked it in salt water.

1, to avoid allergic reactions

Some people eat pineapple, allergic reactions may occur, in the consumption of pineapple about 15 minutes to 1 hour after the onset of acute, abdominal pain (gastroenterology nephrology gynecology), diarrhea (gastroenterology), vomiting, or headache (Neurology), dizziness, flushing of the skin, the whole body itchy, numbness of the limbs and mouth and tongue.

Even a series of allergic reactions such as respiratory distress and shock (cardiovascular emergency department). People used to call this pineapple allergic reaction as "pineapple poisoning" or "pineapple disease".

The main allergenic substance that causes "pineapple disease" is "pineapple prion enzyme". Salt water destroys the allergenic structure of the enzyme and makes it less toxic to individual people. Therefore, when eating pineapple, you can first peel the skin, remove the skin, and then cut in salt water soak, so you can reduce the occurrence of pineapple prion allergy.

2, so that the flavor is sweeter

Pineapple is best soaked for about half an hour, not only to avoid allergic accidents, but also able to make part of the pineapple's organic acid decomposition in the brine, making the pineapple's flavor seems sweeter. In addition, the pineapple also contains oxalic acid, which affects the body's absorption of calcium and iron, soaked in salt will also neutralize its acidity, reducing the possible harm to the body.

Expanded Information

Pineapple will be peeled and diced, then cut into slices or chunks and placed in boiling water to cook before eating. Bromelain begins to denature and lose its effect at 45-50 degrees Celsius, and at 100 degrees Celsius, more than 90% is destroyed. Glycosides can also be destroyed at the same time to eliminate, 5-hydroxytryptamine is dissolved in water. After boiling the taste is also improved.

If in order to maintain the fresh taste of pineapple, you can cut into slices or pieces of pineapple soaked in salt water for about 30 minutes, and then use cool water to wash the salty taste, but also can achieve the purpose of allergy. Remember, pineapple is not everyone can eat, allergic people should be careful to eat; past eating pineapple has a history of allergy, it should be prohibited to eat.

People's Daily Online - Why to eat pineapple with salt water