What is Da Ji?
Da Ji, the name of
traditional Chinese medicine, is the dry aerial part of thistle
Cirsium japonicum Fisch. ex DC. When the flowers bloom in summer and autumn, the aboveground parts are harvested, impurities are removed, and dried in the sun. Da Ji is also called
thistle.
Physiological characteristics of Da Ji
The stem of Daji is cylindrical, with a base diameter of up to 1.2 cm; the surface is greenish brown or brown, with several longitudinal ribs, covered with filamentous hairs; the cross section is off-white, and the pith is loose or hollow. The leaves are shrunken and often broken, and the complete leaves are oblanceolate or obovate-elliptic after flattening, pinnately parted, with needles of unequal length on the edge; the upper surface is gray-green or yellow-brown, and the lower surface is darker Light, with off-white filamentous hairs on both sides. Inflorescence terminal, spherical or elliptic, involucre yellowish-brown, feathery pappus off-white. Slight gas, light taste.
Growth environment of Da Ji
Da Ji is distributed in Hebei, Shanxi, Henan, Shandong, Shaanxi, Jiangsu, Zhejiang, Jiangxi, Hunan, Hubei, Sichuan, Guizhou, Yunnan, Guangxi, Guangdong, Fujian, and Taiwan in China. Distribution in Japan and Korea. It grows in hillside forests, forest margins, bushes, grasslands, wastelands, fields, roadsides, or streams at an altitude of 400-2100 meters.
Thistle grows wild on hillsides and roadsides. It is distributed in all provinces in the north and south of China. It has strong adaptability and is not strict with the soil. It grows well on fertile, deep, and well-drained soil.
Cultivation techniques of Da Ji
Daji herb
Site selection and preparation
Before planting Da Ji, choosing shady, deep, and fertile sandy loam soil for seedling cultivation is necessary. After full reclamation and deep plowing, rake and level off to make a furrow with a width of about 1 meter and a height of 0.15 meters, and the length is not limited.
Field management
Cultivation and weeding. Da Ji is rough and easy to grow, and weeding and weeding are performed 3-4 times a year depending on the growth of weeds, and the first two intertitles should be shallow. Topdressing is combined with winter tillage and weeding, mainly human and livestock manure and nitrogen fertilizer, and topdressing should be carried out in small amounts and multiple times at the seedling stage. A certain amount of base fertilizer should be applied in the spring of the second and third years. Pests and diseases No damage by pests or diseases was seen in the thistle.
Harvesting and processing
Daji mainly harvests fleshy roots. In September-October, the 2-3-year-old fleshy roots are dug up, and the soil is removed and dried in the sun or dried. If the whole grass is used as medicine, the whole grass on the ground can be cut and dried in July-August.
How to reproduce Da Ji?
Da Ji TCM
Da Ji can be propagated by seed or by dividing roots.
Seed propagation
Da Ji should be harvested when the seeds are mature in July-August. If the seeds are overripe, they will easily disperse, making them difficult to receive. After the seeds are harvested, they are sown in September of the current year or in March or April of the second year. After the land is plowed, it is leveled and made into a furrow with a width of 1.3 meters. About 25 cm, the plants sown in September of the first year can bloom in the second year.
Branch propagation
The ramet propagation of Daji needs to be carried out before and after the Qingming Festival. The old plants are dug out and can be divided into three to five individual plants according to the size of the cluster.
Daji benefits
Da Ji effects
Da Ji can significantly shorten blood coagulation time, lower blood pressure, have an inhibitory effect on Mycobacterium tuberculosis and herpes simplex virus, and can be used to treat tuberculosis, urticaria, high blood pressure, acute febrile inflammatory bleeding, jaundice, Hepatitis, hot stranguria, hematuria, hematemesis, epistaxis, hemoptysis, hot and astringent urination, pain, hematuria, bruises, persistent pain, paint sores, burns from hot water, furuncles, sores, swelling and pain, sinusitis, mastitis, and other diseases.
a. Da Ji has a very good effect of clearing heat and cooling blood. You can use Daji to cool blood and relieve pain. The effect is still very good, so it can be used to treat sores, swelling, and pain. Da Ji herb can also be used to stop bleeding, and the hemostatic effect of Da Ji is very fast, so doctors often use Da Ji to treat some diseases such as vomiting blood, hemoptysis, and epistaxis. At the same time, Da Ji can also be used for blood in stool and urine. It is also very effective for women's uterine bleeding and hemostasis during childbirth. At the same time, if there is traumatic bleeding, Da Ji can also be used to stop bleeding.
b. Da Ji has a good effect of removing blood stasis and reducing swelling. It can be used to treat patients with malignant sores and carbuncles that have not stopped for a long time.
c. Da Ji TCM also has good antibacterial and anti-inflammatory effects. Da Ji is mainly used in medicine to treat some hepatitis and nephritis. It is also very effective in the treatment of prostatitis in boys. Da Ji can also be used to treat lung heat cough Blood and hot knot blood, and some boils, sores, cancer, paint sores, etc., are also very good for the treatment of some soup and fire burns.
Da Ji side effects
In the clinical application of Da Ji, after taking the decoction orally, some patients have stomach distension and discomfort, which can be alleviated by adding ginger, tangerine peel, and pinellia; after taking medicine, it can be relieved.
Thistle has the effect of lowering blood pressure in water decoction, and when it is used in combination with blood pressure-lowering drugs, it is prone to hypotensive reactions.
Pay attention to the following when taking Daji.
a. Strictly control the dosage. According to the condition and individual dosage, overdose application is prohibited.
b. People with a deficiency of the spleen and stomach should not take thistle, and pregnant women and those without blood stasis should use it with caution.
c. When taking this product, it is advisable to take it after meals to prevent adverse reactions in the digestive system.
d. If long-term use is required, it should be carried out under the guidance of a doctor.
Difference between Da Ji and Xiao Ji
Both Da Ji and Xiao Ji have the effects of cooling blood, stopping bleeding, dispelling stasis, and disinfecting, and can treat symptoms such as coughing up blood, hematuria, and metrorrhagia. The difference between a big thistle and a small thistle is mainly in appearance, efficacy, and so on.
| Appearance | Efficacy |
| Da Ji | The stem of the thistle is thick, the pith is loose, the leaves have long thorns, the leaves are oblanceolate or obovate oval after flattening, and the pappus is jade white and shiny. | Generally speaking, a large thistle is more effective than a small thistle in terms of detoxification and swelling, so it is more suitable to use a large thistle for the treatment of pus drainage and anti-inflammation. |
| Xiao Ji | The stem of the thistle is thin, the pith is small, the leaves have short spines, the leaves are oblong after flattening, and the pappus is white and dull. | The main effect of small thistles is diuresis, and the effect of treating hematuria is stronger than that of large thistles. Therefore, small thistles may be more suitable for treating diseases caused by urinary tract infections. |
Medicinal properties of Da Ji
Da Ji herb
Treatment for vomiting blood
Hematemesis is a high-incidence disease in human beings, especially when the heat and toxins in the human body are too heavy, leading to heat and vomiting blood,
Da Ji can be used to treat it in time. During the treatment, you can wash the fresh
Daji, crush it, take out the juice and take it directly. The bleeding symptoms can be quickly relieved or disappeared after taking the medicine.
Treatment of sinusitis
Sinusitis is a high-incidence disease in humans, and Da Ji, after being used as medicine, has a particularly good therapeutic effect on this disease in humans. During the treatment, you need to prepare 150 grams of fresh Daji, then prepare three eggs, and boil them together. After cooking, eat eggs and drink soup. During the period of taking, it is forbidden to eat spicy and stimulating food. Most patients have sinusitis symptoms after taking the medicine. Lighten up quickly.
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