What is the function of burdock?

Arctium lappa L. is the dried and mature fruit of Arctium lappa L., a biennial herb in Compositae. It is obovate, slightly flat, slightly curved, 5 ~ 7 mm long and 2 ~ 3 mm wide, with grayish brown surface, purple-black spots and several longitudinal edges, and usually 1 ~ 2 in the middle is obvious. The top is blunt and round, slightly wide, with a ring at the top and a bit of style residue in the middle; The foundation is slightly narrow, and the face born is pale. The pericarp is hard, with 2 cotyledons, yellow-white, oily. Odorless, slightly spicy, slightly numb after bitter taste. When the fruit is ripe in autumn, collect the fruit sequence, dry it, put the fruit, remove impurities and dry it again. Cultivated or wild. Mainly produced in Liaoning, Jilin, Heilongjiang, Hebei, Zhejiang, Sichuan, Hubei, Henan, Shaanxi and other provinces, especially in the three northeastern provinces, commonly known as "Guandali". Original plants are usually cultivated or wild in Shan Ye, roadsides, ditches, wasteland and sunny grasslands on hillsides. I like warm and humid climate, and sandy loam with deep, fertile, loose and well-drained soil layer is the most suitable for growth. Raw or fried, mashed when used. It has the effects of dispelling wind and heat, dispersing lung qi and penetrating rash, relieving sore throat and resolving hard mass, and removing toxic materials and swelling. Which belong to wind-heat dispersing drug in exterior-relieving drugs. Modern research shows that Arctium lappa L. can also be used to prevent and treat diabetic nephropathy, and arctigenin produced by arctigenin hydrolysis in Arctium lappa L. has anticancer activity.

Sexual taste, meridian tropism, hard work, cold nature. Enter the lung and stomach meridians.

Efficacy: dispel wind and clear heat, detoxify and penetrate rash, relieve sore throat and reduce swelling, moisten intestines and relax bowels. Clinical names are raw burdock and fried burdock.

On ancient books of traditional Chinese medicine

"Herbal Drama": Jieguyun: the main wind is swollen and toxic, and the throat is swollen and sore. Swallowing a pill can cause ulcers and gangrene. The secret of attending says: warm the heart, moisten the lungs and disperse qi. Mash it with it

Compendium of materia medica: eliminating maculovirus.

Herbal classic Shu: Evil comes from autumn, which makes the world cool. According to Classic, Xin Ping has a bad habit of hiding things. Up more and down less, Yang also. Start with Taiyin and Zuyangming meridians. It is an important medicinal material for expelling wind, clearing away heat and detoxifying. Xin can disperse the knot, bitter can dissipate heat, and heat can disperse dirty qi, so it is better to see and replenish the middle. When the wind hurts, the defensive qi will stagnate, and when it stagnates, it will heat up. When the acrimony is dissolved, the qi will be harmonious, and there is nothing in the wind, so the wind injury will be removed. Storing qi to control wind, toxic swelling and various fistulas. The elements mainly moisten the lungs, disperse depressed qi, relieve sore throat and diaphragm, remove skin wind and ventilate the twelve meridians, so I know this meaning. Therefore, it is particularly effective in treating addictive rashes and acne.

Herbal classics: pungent, bitter, cold and slippery. Purging heat, dispersing stagnation, dispersing lung qi, clearing throat, relieving cough, facilitating defecation, dredging the twelve meridians, dispersing swelling, sores, and qi stagnation in waist and knees.

Modern pharmacological research

1. Fructus Arctii has antibacterial and antiviral effects. The decoction and water extract have inhibitory effects on Staphylococcus aureus, Epidermophyton inguinalis, Trichophyton concentric, Verticillium dahliae, and the expression of Epstein-Barr virus antigen.

2. Fructus Arctii has the effect of anti-nephropathy. Arctiin and its aglycone can inhibit the increase of urinary protein excretion, improve serum biochemical indexes and show anti-nephropathy effect. In addition, arctigenin also has obvious inhibitory effect on immune nephritis.

3. Fructus Arctii has the function of enhancing immune function.

4. Fructus Arctii has anti-tumor effect.

5. Fructus Arctii has hypoglycemic effect.

6. Burdock can reduce intraocular pressure. When the dosage of this soup is 2.5g/kg, it can slightly reduce the intraocular pressure of normal rabbits, but it can't prevent the increase of intraocular pressure caused by water load.