The nutrition in jujube is mainly reflected in its composition. It not only contains trace elements such as potassium, sodium, iron, zinc, phosphorus and selenium like other fruits; More importantly, fresh jujube contains a lot of vitamin C, the content of which is 2-3 times that of jujube and 20-30 times that of citrus, and its utilization rate in human body can reach 86.3%, making it the best among all fruits.
2. Strawberries
Strawberry is known as the "fruit queen" because of its rich nutritional value. It is rich in vitamin C, vitamin A, vitamin E, vitamin PP, vitamin B 1, vitamin B2, carotene, tannic acid, aspartic acid, copper, strawberry amine, pectin, cellulose, folic acid, iron, calcium, ellagic acid and anthocyanin.
Especially the content of vitamin C is 7- 10 times higher than that of apples and grapes. The contents of malic acid, citric acid, vitamin B 1, vitamin B2, carotene, calcium, phosphorus and iron are also three to four times higher than those of apples, pears and grapes.
3. Citrus fruit trees
Medicinal value of citrus. From ancient times to the present, Tangluo, Fructus Aurantii, Fructus Aurantii Immaturus, Pericarpium Citri Reticulatae Viride and Pericarpium Citri Tangerinae are all traditional Chinese medicinal materials, which are widely used in clinic. Modern pharmacological studies believe that the contents of carotene, vitamin C and vitamin P in orange peel are higher than those in pulp.
4. Fresh dates
Fresh jujube has extremely high nutritional value, rich in trace elements such as organic acid, carotene, protein, iron, calcium, phosphorus and selenium, rich in vitamin C, and contains cyclic adenosine monophosphate, glucoside and other nutrients, which has magical effects on beauty care. Therefore, there is a famous saying: "Three dates a day will never grow old."
5. Lemon
Lemon is rich in vitamin C, sugar, calcium, phosphorus, iron, vitamin B 1, vitamin B2, nicotinic acid, quinic acid, citric acid, malic acid, hesperidin, naringin, coumarin, high potassium and low sodium, etc. It is very beneficial to the human body.
Vitamin C can maintain the formation of various tissues and intercellular substance in human body and maintain its normal physiological function. Matrix, adhesion and colloid formation in human body need vitamin C for protection.
Baidu encyclopedia-vitamin c