Genkwa root

Genkwa root

(Wu Pu Ben Cao)

[synonyms] Huang Daji (Wupu materia medica), Shu sang (bielu), golden belt and iron cowhide (classified herbal medicine).

[source] it is the root of Daphne genkwa (Daphne genkwa) which belongs to Daphne family.

[collection] in autumn, the soil is removed and dried.

[chemical constituents] β - sitosterol, flavonoid glycoside and a yellow crystal (b) c15h14o6 were isolated from the root bark, with melting point of 192 ℃.

[pharmacological action] the carbonic acid soluble part of the root has obvious excitatory effect on animal uterus (mouse uterus in vitro or pregnant rabbit and sheep injected intratactically). Intravenous injection of anesthetized cats caused not only a brief decrease in blood pressure, but also uterine contraction. The toxic dose can prolong the coagulation time and cause hematuria. B is highly toxic to fish.

It's hard, warm and poisonous.

① Wupu materia medica: "Shennong: Xin. Lei Gong: bitter, poisonous. "

② "Compendium": "Xin, Wen, have small poison. "

③ Classified herbal medicine: Great fever. "

[function and indications] it is used to treat edema, scrofula, mastitis, hemorrhoids and scabies.

① Bielu: "treating scabies. "

② "Classification of herbal medicine": treatment of rheumatism, muscle and bone pain, traumatic injury. "

[usage and dosage] oral administration: decoction, 0.5-1.5 yuan; mash juice or put into pill or powder. For external use, it can be used in the treatment of hemorrhoids.

[taboo] it should not be taken by pregnant women with weak constitution.

① Wu Pu's materia medica: "it's cathartic to take it for a long time. "

② In the collection of notes on Materia Medica, it is said that "it is determined that Ming will be the envoy.". Anti licorice. "

[prescription selection] 1. For the treatment of dampness, dampness and astringent urination: one or two roots of Daphne genkwa. File, stir fry and mash. Each service, hollow, with warm water to adjust the next money, have to urinate defecate poor. (ancient and modern prescriptions)

② At the beginning of the treatment of scrofula, vigorous people: genkwa root, a cup of water, big Tuli, that is flat. (Linhu jijianfang)

③ Treatment of breast carbuncle: a coriander root skin mashed, plug in the affected nostril. (Nanjing folk herbs) two yuanhuagen, one yuan to one yuan and five Fen. Fried yellow, fried in water. (Jiangxi traditional Chinese medicine (6): 571957)

④ At the beginning of the treatment of stool poison: take the root of Daphne genkwa with water, apply it with dregs, and it will disappear immediately. (Linhu jijianfang)

⑤ The root of Daphne genkwa should be washed and moistened, and no iron utensils should be used. The juice should be pounded in the stone tools and soaked with a thread for half a day or one night. The tumor should be tied with a thread, and it will fall after staying. If not, change the line. In the case of backwardness, the wound was healed at the end of keel and Terminalia chebula. According to the above method, the milk hemorrhoids of rats were treated. (Zhong Fu Tang public election prescription)

⑥ Treatment of fish navel sores, long-term treatment is not bad: genkwa root two liang, pig tooth Gleditsia five Ting, alum three Liang (burn juice, fine research), black beans three. Apply the medicine, soak the root of Daphne genkwa, Gleditsia sinensis and black beans in a bucket of vinegar for three days, fry them in a kettle over high heat until two liters, remove the dross, then put them into a jar, fry them until one liter, add the powder of alum, stir well, remove the heat to form the paste. It was spread on silk and pasted on it. (shenghuifang Yuanhua root ointment)

⑦ Treatment of neurodermatitis: dried root skin of Daphne genkwa, ground, mixed with wax or wine. (selected works of new medical treatment of single prescription of Chinese herbal medicine in brother provinces and cities, Hunan)

[clinical application] ① treatment of acute mastitis

Clean the new root, scrape off the external cork, remove the central xylem, and chop and pound the second layer of skin, then rub it into a small ball and plug it in the nostril. It will be hot in about 20 minutes. Take it out in 5 minutes. It can also be made into 100% soaking solution, which can be dipped in cotton ball and then stuffed into the nose. The time of producing hot sensation is longer than that of fresh medicine (about 10 minutes), but the curative effect is not stable enough. Pregnant women should not use it. 200 cases were treated, 168 cases were effective, 32 cases were ineffective. The effective rate is high when the onset is within 3 days, so it is only suitable for the initial patients.

② Treatment of rhinitis

Take 30 g of Daphne genkwa root, cut it up, add 100 ml of 75% alcohol, soak for 2 weeks, filter and set aside. When using, soak 2-3 drops of Daphne genkwa tincture in a cotton ball the size of soybean, then wrap it with sterilized cotton, and plug it between the inferior turbinate and nasal septum. The sinusitis can be plugged in the middle nasal meatus. Once a day, 1-2 hours each time, 5 times a course of treatment. It is forbidden for pregnant women. According to the observation of more than 100 cases, it has certain curative effect on chronic simple rhinitis, chronic hypertrophic rhinitis and chronic accessory rhinitis. It has no effect on allergic rhinitis and nasal polyps. Atrophic rhinitis and acute rhinitis need further observation. Genkwa tincture should not penetrate the surface of the outer cotton ball, nor directly drop into the nasal cavity, otherwise it may damage the nasal mucosa. Some patients after medication appear tears, runny nose, sneezing phenomenon, is a normal reaction, after the reaction of light.

Chinese PinYin : Yuan Hua Gen