Brief introduction of castor bean The efficacy and function of castor bean The medicinal value of castor bean is it really poisonous? The medical book recorded a brief introduction of castor bean.
Ricinus communis seed, the seed of Ricinus communis of Euphorbiaceae. This product is oval or oval, slightly flat, with a length of 0.9 ~ 1.8 cm and a width of 0.5 ~ 1 cm. The surface is smooth, with grayish white and dark brown or yellowish brown and reddish brown flower stripes. One side is flat, the other side is convex, and the flat side has 1 convex seed ridges; A caruncle with a grayish white or light brown protrusion at one end. The seed coat is thin and brittle. Endosperm is thick, white, oily, cotyledons 2, thin. Odorless, slightly bitter.
Efficacy and function of castor seed
1, Herbal Supplement: It can produce visible stagnation, so it is used for viviparous, afterbirth, residual bone and purulent blood.
2, "Outline": the main wind is unsuccessful, aphonia, head wind deafness, tongue swelling and laryngitis, wheezing, beriberi toxic swelling, Dan tumor, soup fire injury, acupuncture into the meat, women's afterbirth, children's intestinal protrusion, get through the meridians, can stop the pain, reduce swelling, chase pus and draw poison.
3. Diarrhea effect The oil in castor seeds has no diarrhea effect. It is saponified into sodium ricinoleate and glycerol under the action of lipolytic enzyme in duodenum. Sodium ricinoleate has a * * effect on the small intestine, which makes the intestinal peristalsis enhanced and the contents of the small intestine rapidly advance to the colon. 2 ~ 6 hours after taking the medicine, semi-liquid feces are discharged, and there may be temporary constipation after defecation. Increasing the dose does not enhance the curative effect, and the unhydrolyzed part will be excreted into the large intestine quickly. After being absorbed, ricinoleic acid will be metabolized and decomposed in the body like other fatty acids. Therefore, castor oil is relatively safe as a laxative. Because it tastes bad, it can be made into emulsion for oral administration.
4. Castor oil can hinder the absorption of mountain years, not because of diarrhea.
5, other effects castor oil itself is small, can be used as a skin lubricant for dermatitis skin, made into ointment for burns and ulcers, seed ointment for skin black heat ulcers, and can also be used for blepharitis; As a solvent for removing intraocular impurities, it is locally applied to * * * and cervical diseases.
Medicinal value of castor oil
Castor seed
This product is the dried and mature seed of Ricinus communis L. of Euphorbiaceae. Picking ripe fruits in autumn, drying in the sun, shelling and collecting seeds.
Remove impurities. When in use, the shell is removed and mashed.
Sweet, pungent and flat; Toxic.
Meridian tropism belongs to large intestine meridian and lung meridian.
Detumescence, detoxification, diarrhea and stagnation. Used for carbuncle swelling, sore throat, scrofula and dry stool.
Usage and dosage: appropriate amount for external use, mashed and applied to the affected area, or made into pills for oral administration.
Toxic castor bean contains ricin 7 mg or ricinine 0. 16, which can kill adults, and children can die if they take 5 ~ 6 raw castor beans orally. Heating for more than two minutes can destroy the poison. After poisoning, I first feel burning throat, nausea, vomiting, abdominal pain, diarrhea, anuria or hematuria, fever, spasm, and finally blood pressure drops, shock, respiratory arrest and death. Livestock can also be poisoned by eating by mistake.
Excerpt from China Pharmacopoeia
Medicinal auxiliary formula of castor bean
1, treatment of sores and carbuncle: more than 20 castor beans, shelled, mashed into mud and boiled with a little salt, applied to the affected area, changed twice a day. (Fujian folk herbs)
2. From the beginning of treatment: one peeled castor bean and four rosin. Mash castor beans, add rosin powder, stir thoroughly, stir with boiling water to make paste, and cool with cold water to make paste for later use. When in use, the white plaster is spread on paper or cloth according to the size of the sore surface and pasted on the affected part. (Selected data of new medical methods of Chinese herbal medicines in Liaoning)
3, cure sore throat: one pockmarked (peeled), one nitrate. The same research, the new pumping for a service, even into the second and third services. (medical standard)
4, cure throat paralysis: hemp seed, take the meat and mash it, make it into a paper roll as a tube, and smoke it. (The True Story of Medicine: The Holy Chimney)
5, cure soup fire injury: castor bean, clam powder and so on. Grinding paste Use oil for soup damage and water for fire sores. ("Health Care Essentials")
6, cure dog bites: fifty castor beans. Shelling, grinding with well water, washing and biting with salt water first, and then using sesame paste. (pocket square towel)
7. Curing wind and headache is unbearable: frankincense, castor beans, etc. Mash the cake and stick it on the temples on the left and right sides. (summary)
8, the treatment of violent proctoptosis: one or two castor beans. Rotten pestle for paste, twisted into a cake, two fingers wide, paste on the mouth; For example, proctoptosis with yin syndrome, according to the previous statement, raw aconite powder, onion and garlic are ground into paste. (castor oil paste from "Living a Young Heart Book")
9, treatment of mouth and eye askew; Seventy-seven castor seeds. When making a cake, the right side is placed in the center of the left hand and the left side is placed in the center of the right hand, but the copper pot is filled with hot water, and the dressing is changed when it is cold, and it is right for five or six times. (secret recipe for women)
Is castor bean really poisonous?
Castor bean contains ricin and ricinine, especially the former, which can cause poisoning. Children aged 4-7 taking 2-7 castor beans can cause poisoning death. Adults taking 20 tablets may be fatal. Two castor beans produced in Africa can poison adults, and children only need one, but there are also reports that they can recover after taking 24. Ricin may be a proteolytic enzyme, and 7 mg can kill adults. Symptoms of castor bean poisoning include: headache, stomachache, elevated body temperature, leukocytosis, left shift of hemogram, anuria, jaundice, cold sweat, frequent spasm and cardiovascular collapse. Poisoning symptoms often have a long incubation period.
According to castor bean's medical books
1, Tang materia medica: main water disease.
2, "Rihuazi Materia Medica": control water to swell the abdomen, and carefully study the water service; Sores and scabies can also be applied.
3, "Herbal Supplement": It can produce physical stagnation, so it is used by viviparous, afterbirth, residual bone and purulent blood.
4, "Outline": the main wind is unsuccessful, aphonia, head wind deafness, tongue swelling and laryngitis, wheezing, beriberi toxic swelling, Dan tumor, soup fire injury, acupuncture into the meat, women's afterbirth, children's intestinal protrusion, get through the meridians, can stop the pain, reduce swelling, chase pus and draw poison.
chestnut
1, cultivation
Biological characteristics like warm and humid climate, the suitable growth temperature from emergence to maturity is 20-28℃, the accumulated temperature is 2000-3500℃, the seed germination temperature is not lower than 10℃, the growth is blocked when the growth temperature exceeds 35℃, and the seedlings are frozen when it is -8- 1℃ in spring or -2-3℃ in autumn. The soil water content at seedling stage is 12%- 14%, and at flower and fruit stage is 15%-20%. It takes 85- 1 15d from emergence to fruit ripening. Drought-resistant, saline-alkali resistant and weak acid resistant soil. Suitable for planting in sunny soil, deep soil layer, loose and fertile soil and good drainage.
2. Tian Tuan management
After emergence, when the seedling height is 12- 15cm, the seedlings should be thinned and supplemented. When the seedling height is 25cm, 2-3 strong seedlings should be left in each hole. Combined with loosening soil and weeding, apply human and animal manure, apply 1 time in June-July, and appropriately increase phosphorus and potassium fertilizer. When there are 6 true leaves, the terminal buds of the main stem are removed to promote the growth of lateral branches. Prune whole branches, control plant growth, peel buds to protect flowers, remove axillary buds without inflorescences, and cut off vegetative branches in July to promote autumn seed maturity. For perennial castor, it can be regenerated by cutting, about 30cm from the ground, sawing off the pulp trunk or primary branches, and leaving 3-4 lateral buds to cultivate the mother branches.
3. Seed propagation
Select large, full and fully mature seeds, plant them in warm water at 45-50℃ for about 24 hours, sow them indoors at 20℃ to accelerate germination, sow them in holes in late April in the north and February-March in the south after the seeds are exposed, sow them in holes at the row spacing of 65cm- 100cm, cover the soil, slightly suppress them and water them.
3. Insect control
Diseases include root rot, which damages the roots of plants, makes them black and flooded, and plants wither. Spraying lime or 70% pentachloronitrobenzene powder, and ditching in time to eliminate stagnant water. There are red spiders, which are harmful to buds. 600 times of 20% triadimefon wettable powder can be sprayed and controlled with tobacco lime water. In addition, leafhoppers, native tigers, cotton bollworms, thorn moths, castor silkworm moths and so on are all harmful.
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