Why do pineapples need salt water? How long does it take for pineapples to be soaked in salt water
Sihaiwang: pineapple is sweet and delicious. It's the favorite fruit of many friends. I don't know if you notice that when you buy pineapple, it's all taken out of the salty water. Do you know why pineapple must be soaked in salty water? How long does pineapple need to be soaked in salty water to eat? Let's have a look!
The reason why pineapple should be soaked in salt water
Because pineapple contains a substance called pineapple prion enzyme, which is an allergic substance. If you eat it directly, it will lead to allergic reaction, which is known as pineapple disease. Symptoms include diarrhea, abdominal pain, vomiting, dizziness, numbness of mouth and tongue, itching of the whole body, severe dyspnea, shock and a series of allergic reactions.
So, after the accumulation of practice, people have come to the conclusion that soaking pineapple in salt water can effectively destroy the structure of 'pineapple prion enzyme', thus losing the ability of allergy to human body. So the pineapple is soaked in saltwater and eaten again, and part of the organic acids contained in it can be decomposed into saltwater to remove the sour taste, so that the pineapple tastes sweeter. So before you eat pineapple, peel it off, cut it into pieces and soak it in salt water for a period of time, so it's much safer and you don't need to worry about pineapple prion enzyme allergy.
Media reported that a child in Chengdu had an allergic reaction to redness and swelling of his lips after eating pineapple soaked in salt water. This is because the soaking time is not enough, pineapple enzyme is not completely inactive, resulting in allergic reactions. But the soaking time is too long, which will not only cause excessive loss of pineapple nutrition, but also because pineapple is rich in sugar, so it is easy to grow bacteria if it is soaked in water all the time.
Best time to soak pineapple in salt water
Pineapple is best soaked for about half an hour, which can avoid all the above problems and make pineapple more sweet. In addition, pineapple also contains oxalic acid, which will affect the absorption of calcium and iron by human body, and it will neutralize its acidity when soaked in salt, reducing the possible harm to human body.
Finally, if the top of pineapple fruit process is full and the peel turns yellow, it indicates that pineapple has reached nine maturity. This kind of pineapple has many juices, high sugar content and strong fragrance. If it's not eaten immediately, it's better to choose the fruit body which is still hard, light yellow with green luster, about seven or eight mature ones are better.