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.

Leaves, roots and seeds of leeks are used in medicine, and their roles are focused. Leaves and roots have the efficacy of dispersing bruises and activating blood, stopping bleeding and diarrhea, and helping the liver and collaterals, etc. They are used to treat 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 bruises and blood; the root's ability to go down the line is better than that of the leaves, and it can be used to treat sweating. Leek seeds have solid essence to help Yang, tonifying the kidney, warming the waist and knees, for the treatment of impotence, spermatorrhea, polyuria and other diseases.

Nutritional list of garlic scapes

(Contains per 100g) Ingredient name Content Ingredient name Content Ingredient name Content Ingredient name Content

Edible part 82 Moisture (g) 88.9 Energy (kcal) 37

Energy (kJ) 155 Protein (g) 2.1 Fat (g) 0.4

Carbohydrates (g) 8 Dietary Fiber (g) 1.8 Cholesterol (mg) 0

Ash (g) 0.6 Vitamin A (mg) 47 Carotenoids (mg) 280

Retinol (mg) 0 Thiamine (mcg) 0.11 Riboflavin (mg) 0.08

Nicotinic acid (mg) 0.5 Vitamin C (mg) 35 Vitamin E (T) (mg) 0.81

a-E 0.41 (β-γ)-E 0.28 δ-E 0.12

Calcium (milligrams) 29 Phosphorus (milligrams) 44 Potassium (milligrams) 226

Sodium (milligrams) 5.1 Magnesium (milligrams) 18 Iron (milligrams) 1.4

Zinc (milligrams) 0.46 Selenium (micrograms) 1.24 Copper (milligrams) 0.05 <

Manganese (mg) 0.17 Iodine (mg) 0

Ingredient Name Content (mg) Ingredient Name Content (mg) Ingredient Name Content (mg)

Isoleucine 61 Leucine 102 Lysine 97

Sulphur-containing Amino Acids (T) 48 Methionine 22 Cystine 26

Aromatic Amino Acids (T) 107 Phenylalanine 62 Tyrosine 45

Threonine 67 Tryptophan 17 Valine 72

Arginine 87 Histidine 29 Alanine 96

Aspartate 166 Glutamic acid 419 Glycine 53

Proline 44 Serine 81