Leeks contain more nutrients, especially fiber, carotene, vitamin C and so on today are higher. Leek also has volatile thioprene, with a pungent flavor, can enhance appetite, there are stasis, blood, detoxification and other effects. Because leeks contain fiber can promote intestinal peristalsis, keep the bowels free. The leaves, seeds and roots of leek can be used as medicine. Its role has its own focus. Leaves and roots have the effect of dispersing bruises and activating blood, stopping bleeding and diarrhea, and helping the liver and collaterals, etc. They are used for the treatment of bruises, choking and regurgitation, intestinal inflammation, vomiting of blood, chest pain, etc. However, the leaves are stronger in dispersal and the sap is better in dispersing the bruises and blood; and the root is better than the leaves in downward movement and is used for the treatment of sweating. Leek seeds have the effect of strengthening the essence and Yang, tonifying the kidney, warming the waist and knees, used to treat impotence, spermatorrhea, polyuria and other diseases. It has the effect of warming the middle and lowering the qi, tonifying the kidney and benefiting the yang, etc. Modern research has shown that leeks have a very high nutritional value, containing protein, lipid defense, carbohydrates, crude fiber, calcium, phosphorus, carotene, thiamin, riboflavin, ascorbic acid and other nutrients. Leek on Pseudomonas aeruginosa, dysentery, typhoid fever, Escherichia coli and Staphylococcus aureus has an inhibitory effect. The rich fiber in leeks can enhance intestinal peristalsis, make the bowels smooth, and have a positive significance on the prevention of intestinal cancer. The volatile components and sulfur compounds in leeks have the effect of expanding blood vessels and lowering blood lipids.
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