Burdock seed, Chinese medicine name. For the Asteraceae biennial herb burdock dry mature fruit. Long obovate, slightly flat, slightly curved, 5-7mm long, 2-3mm wide, gray-brown surface, with purple-black spots, there are several longitudinal ribs, usually in the middle of 1-2 more obvious. The tip is obtuse-rounded, slightly broad, with a ring on the top surface, and a punctate stylar remnant in the middle; the base is slightly narrower, and the bearing surface is lighter in color. Pericarp harder, cotyledons 2, yellowish white, rich in oil. Odorless, taste bitter and then slightly pungent and slightly numbing tongue. The infructescence is harvested in the fall when the fruit is ripe, dried in the sun, beaten down, impurities removed, and dried again in the sun. Cultivated or wild. Mainly produced in Liaoning, Jilin, Heilongjiang, Hebei, Zhejiang, Sichuan, Hubei, Henan, Shaanxi and other provinces, the three northeastern provinces produced is better, commonly known as "Guan Dali". The original plant is often cultivated, or wild in the mountains, roadsides, ditches, wasteland, mountain slopes and sunny meadows. Prefer warm and humid climate, cold, drought, afraid of flooding, to deep fertile soil, loose, well-drained sandy loam soil is most suitable for growth. Used raw or fried, mashed when used. It has the efficacy of dispersing wind-heat, declaring the lungs and transmitting rashes, inducing the pharynx and dispersing knots, and detoxifying the toxins and swelling. It belongs to the dispersing wind-heat medicine in the antidote medicine. Modern research, burdock can also be used to prevent and control diabetic nephropathy, burdock fruit containing burdock glucoside hydrolyzed burdock glucoside yuan with anticancer activity.
The flavor, attributed to the taste of pungent, bitter, cold. It belongs to the lung and stomach meridian.
Effects evacuation of wind-heat, detoxification of rashes, diaphoretic swelling, laxative. Clinical names include raw burdock seed, fried burdock seed.
The ancient Chinese medicine related to the discussion
The Materia Medica play: Jie Gu Yun: the main wind and swelling poison, diaphragm. Swallowing a grain can be out of sores and gangrene head. The secret of the main cure" cloud: pungent and warm, moistening the lungs and dispersing gas. Pound it and use it.
The Compendium of Materia Medica: eliminating the poison of spots and rashes.
The Classic of Materia Medica (本草經疏)：Wicked real to the fall and become, get the cool air of heaven and earth. The Classic of the Materia Medica says that the pungent and flat, hidden vessels and bitter. More than descending, Yang also. Into the hand Taiyin, foot Yangming meridian. It is an important medicine for dispersing wind, removing heat and detoxifying. Xin can disperse the knot, bitter can drain the heat, heat knot dispersal is clear and bright, so bright eyes and tonic. The wind is injured, the guard gas will be congested, congestion is fever, pungent cool dispersal of the surface gas and the wind does not stay carry on, so remove the wind injury. The main wind poisonous swelling, all fistulae. Elemental main moistening the lungs to disperse the knot gas, diaphragm, go to the skin wind, through the twelve meridians, Sydney this intention. Therefore, it is used to treat addictive rashes, acne, especially the strange experience.
"Materia Medica": pungent, bitter, cold, slippery. Diffuse heat and disperse knots, promote lung qi, clear the throat and cough, facilitate bowel movement, the twelve meridians, dispel all swellings and sores, lumbar and knee stagnant qi.
Modern pharmacological studies
1. Burdock has antibacterial and antiviral effects. Decoction and water infusion of staphylococcus aureus, inguinal epidermolysis bullosa, concentric Trichophyton mentagrophytes, Xylococcus, and many other groups of bacteria have an inhibitory effect, and have an inhibitory effect on the expression of Epstein-Barr virus antigens.
2. Burdock has anti-nephropathy effect. Burdock glycosides and glycosides contained in the aminonucleoside-induced nephropathy in rats, can inhibit the increase in urinary protein excretion, improve the serum biochemical indicators, showing anti-nephropathy effect. In addition, burdock glucoside also has a significant inhibitory effect on immune nephritis.
3. Burdock has the effect of enhancing immune function.
4. Burdock has anti-tumor effects.
5. Burdock has hypoglycemic effect.
6. Burdock has a hypotensive effect on intraocular pressure (IOP). 2.5g/kg dose of this decoction given to rabbits by gavage can make the IOP of normal rabbits decrease slightly, but it can't prevent the IOP of rabbits due to water loading from increasing.