Burdock contains INULIN, cellulose, protein, calcium, phosphorus, iron and other vitamins and minerals needed by the human body, of which Carotene content is 150 times higher than carrots, protein and calcium content of the first rhizomes. Burdock root contains INULIN and volatile oil, burdock acid, a variety of polyphenols and Aldehydes, and is rich in cellulose and amino acids. The stem and leaves of Arctium LAPPA contain volatile oil, Tannin, mucilage, caffeic acid, chlorogenic acid, isochlorogenic acid and so on.