What is the relationship between pineapple and pineapple? In fact, they refer to the same fruit. Biologically, the concept of "pineapple" is larger than the concept of "pineapple" because pineapple belongs to the bromeliad family of bromeliads. Pineapple originated in Brazil, Argentina and Paraguay in South America and was introduced to China at the end of the 16th century. Because the fruit tip has green leaves and is shaped like a phoenix tail, it is also called pineapple.

As for the popular saying "it's pineapple or pineapple", that's nonsense. Some pineapples have thorns on their surface, while others are smooth. In fact, it is just a difference in product variety. In order to raise prices and increase sales, some merchants differentiate some special varieties such as "eyeless pineapples" and "pineapples" from ordinary pineapples. In fact, it is as ridiculous as saying "Red Fuji is not an apple"!

Every Everyone should have this experience. After eating too much pineapple, the head and mouth become numb, very uncomfortable, and even severely edematous. This is because pineapple contains bromelain, which can hydrolyze protein, and the epidermal cells of the tongue contain protein. The head is "hydrolyzed" (if you eat pineapple, the pineapple will "eat" your tongue), which will give you a spicy feeling. We all wear rubber gloves when squeezing pineapple juice in our undergraduate experimental class, otherwise our hands will be itchy after class. There may even be redness, swelling and pain because the skin is slightly hydrolyzed by bromelain. The best way to destroy the protease is high temperature! In daily life, soaking the pineapple in salt water can also effectively destroy the protease and make the pineapple less "bite". This fruit is rich in nutrients. In addition to reducing sugar, sucrose, protein, crude fiber and organic acids, it also contains essential vitamins such as vitamin C, carotene, thiamine and niacin, as well as trace elements calcium, which are easily absorbed by the human body. Iron, magnesium. Pineapple juice, peel, and stems contain protease, which can help protein digestion and stimulate appetite. The therapeutic effect of pineapple is sweet, slightly sour, and mild. It enters the stomach and kidneys; it has the functions of quenching thirst, strengthening the spleen, and quenching thirst. It has the effect of reducing swelling and dampness, sobering up and replenishing qi; it can be used for indigestion, enteritis, diarrhea, body heat, polydipsia, etc. It can also be used as an auxiliary treatment for high blood pressure, dizziness, and weakness of hands and feet.