Vitamin C contained in strawberries, the content of which is 7-10 times higher than apples and grapes. And the content of malic acid, citric acid, vitamin B1, vitamin B2, as well as carotene, calcium, phosphorus, iron content is also higher than apples, pears, grapes 3 to 4 times. Because of the rich nutritional value of strawberries, it is known as the "Queen of Fruits".