When we eat fresh pineapple, we will feel a numbness and tingling in the mouth, tongue and even lips, which is a substance contained in the pulp -- the role of bromelain. But we usually soak in salt water before eating. Do you know why?
Why do pineapples soak in brine?
Avoid allergic reactions
Some people may have allergic reaction after eating pineapple. They will have abdominal pain (Gastroenterology, Nephrology, gynecology), diarrhea (Gastroenterology), vomiting or headache (Neurology), dizziness, skin flushing, whole body itching, numbness of limbs and tongue, and even dyspnea and shock (cardiovascular medicine department) Emergency department) and a series of allergic reactions. People used to call this kind of pineapple allergy as' pineapple poisoning 'or' pineapple disease '.
The main allergen causing 'pineapple disease' is' bromelain '. Salt water can destroy the sensitized structure of bromelain, and make it lose its toxicity to individual constitution. Therefore, eat pineapple, you can first peel off, remove the peel, and then cut open to soak in salt water, so as to reduce the incidence of pineapple prion enzyme allergy.
Make the taste sweeter
It's better to soak pineapple for about half an hour, which can not only avoid the occurrence of allergic accidents, but also decompose part of the organic acids of pineapple in brine, making the taste of pineapple more sweet. In addition, pineapple also contains oxalic acid, which will affect the absorption of calcium and iron by the human body. Soaking in salt will also neutralize its acidity, reducing the possible harm to the body.
How long does pineapple soak in brine?
Soak for about 30 minutes
Peel and dice pineapple, cut into pieces or pieces, cook in boiling water before eating. Bromelain begins to denature at 45-50 ℃ and loses its function. At 100 ℃, more than 90% of bromelain is destroyed. Glycosides can also be destroyed and eliminated, while serotonin is soluble in water. After boiling, the taste was also improved.
If you want to keep the fresh taste of pineapple, you can soak the sliced or block pineapple in brine for about 30 minutes, and then soak it in cold boiled water to remove the saltiness, which can also achieve the purpose of allergy. Remember, pineapple is not everyone can eat, allergic constitution should be careful to eat; in the past, pineapple allergy history should be forbidden to eat.
What's good about pineapple?
reduce weight
It is rich in fruit juice, can effectively help digestion and absorption, acidolysis fat. It also contains a variety of minerals and vitamins needed by the human body.
cosmetology
It is rich in vitamin B, can nourish the skin, prevent skin dryness, but also can nourish the hair.
Lowering blood pressure and lipid
It contains blood circulation enzymes, can reduce blood pressure, blood lipids.
Clean up the intestines and stomach
When we eat a lot of meat, eating some pineapple can help digestion and absorption, break down the protein and increase gastrointestinal motility.
Who can't eat pineapples?
Special patients
People suffering from ulcer disease, kidney disease and coagulation dysfunction should not eat pineapple.
Allergic
If born to pineapple allergy, should immediately stop eating after symptoms, take appropriate measures.