MaLan contain a variety of nutrients, rich mineral elements and vitamin and beta carotene, more than 17 kinds of amino acids,including 7 kinds of necessary for human body.Nutrient element content from high to low in turn about, K, Ca, Na, Mg, zinc, Fe, Cu,Li, Se, Mn, Ni, V, Co.The potassium content is 20 times the ordinary vegetables, compared with general vegetables, the Se, zinc, Mg, Ca content more rich.Tender stem leaf moisture content, calcium, phosphorus, iron, carotene, potassium, vitamin B, niacin, malan are rich in inorganic salt, per 100 g of malan tender stem leaf moisture content 86.4%, 3 g of protein, fat, 0.9 g and 5.2 g carbohydrates, crude fiber, 1.1 g VC36mg ~ 69 mg, 31.5 mg carotene, VB0.36 g, 2.5 g, Nick acid potassium 530 mg, 145 mg of calcium, magnesium, 46.8 mg,phosphorus 70 mg, 0.24 mg, copper iron 4 mg, 0.43 mg, zinc sodium 1 mg.All grass containing volatile oil, the oil composition of borneol lipid acetate, formic acid borneol fat, phenols, sesquiterpenes, polyene and bitterness etc.

1.Reduce high body temperature and a cure for dysentery and toxic elimination:anti-blood cell coagulation effect, anti-hypertensive effect.

2.Cool 'heat in the liver' and to be excellent for 'hot agues,' and all pains in the head 'proceeding.

3.Allay excessive heat, and applied to the eyes to remove inflammation.