Of course, there used to be four kinds of fruits called the king of fruits.

(1) The King of Newly Rich Fruits: Bananas, eating more bananas can lower blood pressure and prevent hypertension and cardiovascular diseases. Studies have shown that eating two bananas a day can effectively reduce blood pressure 10%. Bananas are rich in soluble fiber, namely pectin, which can help digestion and regulate gastrointestinal function. Bananas are also effective for people who suffer from insomnia or emotional stress, because protein contained in bananas contains amino acids, which has a calming effect. So eating bananas before going to bed can have some calming effects.

(2) King of American Fruits: Blueberries, also known as blue berries, have the reputation of "King of American Fruits" and are native to Florida, USA. They have the functions of anti-cancer, delaying nerve aging and preventing cardiovascular diseases. It is listed as one of the five health foods by FAO.

(3) The King of Chinese Fruits: Kiwi, also known as kiwi fruit, is oval, with yellow-brown or yellow-green skin, fine fluff on the surface and thin skin. The flesh is light green, translucent, fresh and tender, and the juice is sweet and sour. Fruit can be eaten raw or processed into juice, jam and preserved fruit. Kiwifruit has a high nutritional value, which contains sugar, fat, protein, amino acids, phosphorus, potassium, calcium, iron, magnesium and other minerals, and contains a variety of vitamins. Vitamin C, in particular, contains 100 ~ 400 mg per100 g of fresh fruit, which is 5~ 10 times that of citrus and 20~28 times that of pears and apples, so it has the reputation of "vitamin fruit", "super fruit" and "king of fruits".

(4) The king of fruits in the world: durian, with long, pointed leaves, cymes, light yellow color, football-sized fruit, solid skin, triangular thorns, and flesh composed of arils, light yellow, sticky and juicy, soft and sweet, and tastes like ice cream. Durian pulp contains starch 1 1%, sugar 13%, protein 3%, and various vitamins. , quite nutritious.

There are three kinds of fruit queens.

(1) Fruit Queen-Apple

The nutritional value of apples is praised. Its fructose and glucose are among the best in fruits; It is also rich in fruit acid. It is particularly worth mentioning that pectin and potassium contained in apples rank first among fruits. Modern medical research shows that apples contain protein, fat, vitamin C, vitamin A, vitamin E, phosphorus, calcium, zinc, malic acid, citric acid, tartaric acid and sodium.

Dietotherapy and health care: Chinese medicine believes that malic acid is sweet, flat and nontoxic. Entering the spleen and stomach meridian has the effects of promoting fluid production, appetizing, relieving summer heat, nourishing brain and blood, sleeping and nourishing heart, moistening lung and pleasing heart, resolving phlegm and relieving cough, clearing away heat and toxic materials, harmonizing spleen and benefiting qi, moistening intestine and stopping diarrhea. So some people say that eating an apple after every meal keeps the doctor away. This is based on science.

1, antidiarrheal. Because apple is rich in tannic acid, malic acid, organic acid, pectin and cellulose, it has the function of whole intestine convergence. So eating apples can treat mild diarrhea in infants.

2, laxatives. The cellulose in apples can make the stool soft and easy to excrete, and organic acids can also stimulate intestinal peristalsis.

3, suitable for pregnant women. For pregnant responders, eating apples can not only supplement calories and vitamins, but also adjust the balance of water, salt and electrolyte to prevent acidosis caused by frequent vomiting.

4. Prevention and treatment of hypertension. Potassium in apples can combine with excess sodium in the body and be excreted. Therefore, eating apples or drinking apple juice often is good for patients with hypertension.

5. lose weight. Apples contain a lot of vitamins and malic acid, which can promote the decomposition of accumulated fat in the human body. Eating apples often can prevent obesity.

(2) Mangosteen, the Queen of Fruit

Mangosteen is called mangosteen in Chinese, Manggis in Malay and mangosteen in English. Native to Malaysia, it belongs to Garcinia medium-sized evergreen tree, with a height of 10-20m and a beautiful tree shape. Single leaf opposite, oval, leathery, terminal flower, red petals. 2. It blooms in April, and the fruit is purple when it matures, containing 1-2 seeds. The flesh is brownish white and transparent, and the taste is sweet and smooth. Mangosteen grows slowly, and bears fruit only 8- 10 years after planting. Fruit ripens from June to July. The pulp contains 16.8% soluble solids, 0.63% citric acid and other vitamins B 1, B2, C4 and minerals. It is a typical tropical fruit with hard and heavy wood, which can be used to make furniture.

Mature mangosteen skin is purple-black and hard, and the fruit pedicle is green, slightly smaller than the fist. The surface is thick and hard, and the flesh exposed by peeling off the epidermis is white and tender, sour, and some are like peaches. It is called the "fruit queen" among fruits. However, it should be noted that the purple juice after peeling off the epidermis should not be stained on the clothes, which is not easy to clean.

(3) The Fruit Queen-Strawberry

Strawberry is rich in vitamins and minerals, and the content of vitamin C per 100g is as high as 80mg, which is much higher than that of apples and pears. It also contains glucose, fructose, citric acid, malic acid, carotene, riboflavin and so on. These nutrients have a good promoting effect on children's growth and development, and are also good for the health of the elderly. In particular, rich vitamin C can prevent gum bleeding, promote wound healing and make skin delicate and elastic.

Chinese medicine believes that strawberry is sweet and cool, and has the effect of nourishing body fluid and moistening lung. Eating a few strawberries after a meal helps digestion and appetite. Recently, medical scientists have found that eating strawberries regularly is also beneficial to the prevention and treatment of arteriosclerosis and coronary heart disease. According to the research of foreign medical scientists, strawberry contains anticancer components, which can inhibit the growth of tumor cells. In Europe, strawberries have long enjoyed the reputation of "fruit queen" and are regarded as healthy food for children and the elderly.