First, introduce strawberries.
1, strawberry introduction
Strawberries are perennial herbs. The flowering period is April-May and the fruiting period is June-July. So strawberries are usually sold in June-July. Strawberry, also known as pineapple strawberry, belongs to Rosaceae in dicotyledonous plants. It can be said that strawberries and roses are close relatives. Strawberry plants are generally about 10-40 cm tall, and the aggregate fruit is large, with a diameter of 3 cm and bright red. This bright color is also one of the reasons why strawberries are popular.
2. The origin of strawberries
Strawberries are native to South America, Europe and other places. 17 14 The Dutch introduced Chilean strawberries from South America, and then scarlet strawberries from North America. Through natural hybridization, many natural hybrid varieties have been formed in decades. Strawberry was introduced into China from Russian in 19 15. There were no strawberries in ancient China.
Second, the nutritional value of strawberries
Strawberry is rich in amino acids, fructose, sucrose, glucose, citric acid, malic acid, pectin, carotene, vitamin B 1, B2, nicotinic acid and minerals such as calcium, magnesium, phosphorus and iron. These nutrients can promote growth and development, which is of great benefit to the elderly and children.
2. Foreign scholars have found that the effective components in strawberries can inhibit the growth of cancer.
3. Every hundred grams of strawberry contains vitamin C50- 100 mg, which is more than 10 times higher than that of apples and grapes. Scientific research has confirmed that vitamin C can eliminate the relaxation and tension between cells, make the structure of brain cells firm, and make the skin delicate and elastic, which has an important impact on the development of brain and intelligence.
4. Eating strawberries after meals can break down food fat, which is good for digestion.