1 nutrition and health care function of burdock 1. 1 burdock enjoys the reputation of king of vegetables for its nutritional components. Modern medicine has proved that burdock contains arctiin, protein, volatile oil, alkaloid, inulin, VB 1, VB2 and many amino acids needed by human body, which has high medicinal and edible value. The main nutritional components of burdock are shown in table 1. Burdock contains a variety of amino acids needed by human body, and the content is shown in Table 2. 1.2 Nutrition, health care and pharmacological effects of burdock. Burdock not only contains many nutrients needed by human body, but also has extremely high health care function. Regular consumption of three needles can promote blood circulation, remove gastrointestinal waste, prevent premature aging of skin, moisturize skin, prevent stroke and hypertension, clear intestines and detoxify, lower cholesterol and blood sugar, and is suitable for diabetic patients to eat for a long time (because burdock root contains inulin). It has a certain curative effect on rheumatoid diseases and fungi, and also has a good preventive and inhibitory effect on cancer and uremia, so it is known as the best blood clearing agent in nature. The nutrition, health care and pharmacological effects of Arctium lappa mainly include: (1) the function of clearing bowel and relaxing bowels. Dietary fiber from cattle pedicle can promote large intestine peristalsis, help defecation, reduce cholesterol in the body, reduce the accumulation of toxins and wastes in the body, and have the effect of preventing constipation. (2) the effect of lowering blood pressure. Arctiin contained in the root of Arctium lappa can dilate blood vessels and lower blood pressure. (3) Antibacterial effect. Burdock contains antibacterial components, mainly targeting Staphylococcus aureus, and the minimum inhibitory concentration is 4000μg/ml. (4) hypoglycemic effect. Cattle pedicle contains inulin, and its water extract can significantly and permanently reduce blood sugar and increase glucose tolerance in rats. (5) diuretic and laxative. Arctiin has mild diuretic and laxative effects, which can cause mild tail-lifting reaction in mice. (6) Anti-tumor effect. Arctiin has anticancer effect, which can inhibit the activity of phosphofructase in cancer cells, and arctigenin also has anticancer activity. (7) The function of treating nephritis. Arctiin and arctigenin have anti-nephritis activity and can effectively treat acute progressive nephritis and chronic glomerulonephritis. Burdock not only contains a variety of nutrients needed by human body, but also has extremely high weight loss and health care functions. Eating cow's hoof root regularly has the functions of promoting blood circulation, removing gastrointestinal waste, preventing premature aging, moistening skin, clearing intestines and removing toxins, and lowering cholesterol and blood sugar. It is the best blood clearing agent in nature. Dietary fiber from cattle pedicle can promote large intestine peristalsis, help defecation, reduce cholesterol in the body, reduce the accumulation of toxins and wastes in the body, and have the effect of preventing constipation. Cattle pedicel contains inulin, and its water extract can significantly and permanently reduce blood sugar and increase glucose tolerance. Arctiin has mild diuretic and laxative effects.