Pineapples are perennial evergreen herbs of the bromeliad family, each bearing only one fruit in the center. Its fruit is cylindrical, formed by the aggregation of many ovaries and rachis, and it is a compound fruit.

Pineapple peel has many flower vessels (commonly known as fruit eyes or pineapple nails), which are hard and tricky, and must be peeled and dug out before eating. Pineapple has three fruiting periods a year, and the best quality is from June to August. Fresh food is best if the fruit is fresh in color, correct in shape, firm in body and 80% ripe. There are three common pineapple varieties: Shenwan, Bali and Sarawak, and the "sugar heart pineapple" carefully cultivated by Guangzhou fruit farmers in recent years is the best.

"Sugar Heart Pineapple" is a Sarawakian species. Sarawak is also known as "Hawaii". The fruit weighs two or three kilograms. The fruit has large and shallow eyes. It can be eaten after peeling. Its fruit shape is correct, the pulp is smooth and juicy, and the sweet and sour is moderate. It is an excellent variety for fresh eating and canning.

The nutritional value of pineapple is numerous. Fresh pineapples have a higher water content, about 85%. Its ingredients include carbohydrates, proteins, fats, vitamins A, B1, B2, C, proteolytic enzymes, calcium, phosphorus, iron, organic acids, niacin, etc., especially the highest content of vitamin C. Pineapples contain a substance called "pineapple prion," which breaks down proteins.

Proper consumption of pineapple can eliminate edema. Dissolves fibrin and blood clots blocked in tissues, improves local blood circulation, and eliminates inflammation and edema. In addition, pineapple can also help lose weight. The secret of pineapple weight loss lies in its rich juice, which can effectively acidify fat, and can effectively match pineapple in food or drink pineapple juice every day. Pineapple can also help digestion, has the effect of strengthening the stomach and digestion, invigorating the spleen and stopping diarrhea, clearing the stomach and quenching thirst. The attractive aroma of pineapple comes from the butyl acid in its ingredients, which has the effect of stimulating saliva secretion and promoting appetite.

However, avoid excessive or untreated raw pineapples. First, it is easy to reduce the taste and stimulate the oral mucosa. Second, it is easy to cause the production of bromelain. People allergic to this protease will experience symptoms such as itchy skin.