What is Du Huo?
, which is also called Radix angelicae pubescentis
, the name of traditional Chinese medicine. It is the dry root of Angelica pubescens Maxim.f. biserrata Shan et Yuan
. Perennial herb, up to 1-1.5m. Root conical, branched, pale yellow. The stem is single, cylindrical, hollow, with longitudinal grooves and grooves. Leaves are membranous, the lower part of the stem is 1-2 pinnatifid, with 3-5 lobes, covered with sparse bristles, especially in the veins, the top lobes are broadly ovate, 3-lobed, 8-13 cm long, on both sides The leaflets are small, nearly ovoid, 3-lobed, with wedge-shaped serrations and short convex tips on the margin; the upper leaves of the stem are ovate, 3-lobed to 3-parted, 3-8 cm long, 8-10 cm wide, with Ragged jagged teeth.
Radix angelicae pubescentis
The roots of Radix angelicae pubescentis are slightly cylindrical, with 2-3 branches or more in the lower part, 10-750px long. The root head is enlarged, conical, multi-horizontal wrinkles, 1.5-75px in diameter, and there are residues or depressions of stems and leaves at the top. The surface is taupe or tan, with longitudinal wrinkles, horizontal and long lenticel-like protrusions and slightly protruding fine root scars. The quality is hard, and becomes soft when it is damp, the skin of the cross-section is off-white, with a few scattered brown oil chambers, the xylem is gray-yellow to yellow-brown, and the cambium ring is brown. Has a specific aroma, bitter, pungent, slightly numb tongue.
Types of Du Huo
Ziqiu Du Huo
Also known as: Padang Duhuo, Meat Duhuo. It is the dry rhizome and root of the plant Angelica Placiformis. Rhizome thick and short, conical, 1.5-4.5 cm long, 1.5-2.5 cm in diameter; surface brown to gray-brown, with dense annular leaf scars, several longitudinal grooves, and many irregular longitudinal wrinkles; the top has sunken stems mark. The roots are rare and single, cylindrical, curved, with different lengths, about 30 cm, and 0.5-1.5 cm in diameter; the surface is rough, with deep wrinkles and transverse cracks, and there are many horizontally long raised lenticels, 2 in length ~3 mm. Soft and tough, fractured surface with splinters. The skin of the cut surface is light grayish brown, with curved cracks, dark brown rays, fine oil spots, yellow oil droplets ooze out when squeezed, and the near cambium is a dark brown ring; the xylem is yellowish. The gas is fragrant, the taste is bitter and slightly sweet, and the aftertaste is pungent. It is better to use thick roots and strong aroma.
Also known as: Zhejiang Duhuo, Ji Duhuo. It is the dry rhizome and root of the plant Angelica sinensis. The rhizome is enlarged and conical, the surface is gray-brown, with many irregular longitudinal wrinkles. Traces of the stem base and leaf sheath remain at the top. The roots are cylindrical, slightly curved, about 5 to 12 cm long, and 1.5 to 3 cm in diameter, mostly divergent. Lightweight and brittle, easy to break. The phloem and cortex of the cut surface are off-white, with cracks, scattered brown-yellow oil spots; the cambium is brown; the xylem is dark brown, accounting for about 1/2 of the diameter. The gas is fragrant, the taste is slightly sweet and pungent. The root is strong, soft, and fragrant.
Xiang Da Huo
Xiang Da Huo is the dry rhizome and root of the plant Xing'an Angelica. Long spindle-shaped, often divergent. The surface of the rhizome is densely striated, and there are stem scars or stem and leaf residues at the top. The roots vary in length, the surface is gray-brown or dark brown, with obvious longitudinal wrinkles and horizontally long lenticels. The quality is hard and brittle, easy to break, the skin of the broken section is brown, and the xylem is yellow. The smell is specific and strong, and the taste is hard.
Purple stem Du Huo
Purple stem Du Huo is the dry rhizomes and roots of the purple stem of the plant. Rhizome short-phase, conical, about 5 cm long, 3.2 cm in diameter, surface brownish yellow, with many irregular longitudinal wrinkles, traces of stem base and leaf sheath remaining at the top, with circular horizontal stripes. Many roots are cylindrical, slightly curved, 5-14 cm long, 0.5-2 cm in diameter, with longitudinal wrinkles and fibrous root scars. Brittle and easy to break. The section is flat, the phloem and bark are brownish yellow, and the xylem is yellowish white. The air is fragrant, the taste is slightly sweet and pungent. It is better to have thick roots and strong fragrance.
Oxtail Du Huo
The dry rhizomes and roots of Oxtail Du Huo. The rhizome is slightly enlarged, 2.5-5 cm long, with dense ring-shaped leaf scars and ring patterns, and the thicker ones have longitudinal grooves; the stem base and yellow leaf sheaths often remain at the top. Root single, rarely branched, 16-25 cm long, 1.3 cm in diameter; surface slightly rough, with irregular wrinkled grooves; lenticels small and sparse, arranged horizontally and long. The quality is hard, the broken surface is uneven, and powdery. Cut surface of root off-white, fissured, with many orange-yellow oil spots; near cambium presents brown rings; xylem yellowish-white, eccentric. The gas is slightly fragrant and the taste is slightly sweet. It is better to be strong, less branched, and dense.
Growth environment of Du Huo
Du Huo is mainly distributed in Anhui, Zhejiang, Jiangxi, Hubei, Sichuan and other places in China. It mostly grows in the damp shrub forests on wild hillsides. It likes a cool and humid climate and is cold-resistant. The upper layer is deep and rich in humus. Black gray foam soil and yellow sand Soil cultivation, not suitable for planting on shallow soil, waterlogged land and clay soil.
1. Ziqiu Du Huo is mainly produced in Sishi, Ziqiu, Badong, Hubei, Wushan, Wuxi and other places in Sichuan, and it is also produced in Jiangxi.
2. Xiang Duhuo is mainly produced in Zhejiang and Anhui.
3. Xiang Da Huo is produced in Jilin, Liaoning, Heilongjiang and other places.
4. Purple stem Du Huo is produced in Hebei.
5. Oxtail Du Huo is mainly produced in Sichuan.
Processing methods of Du Huo
Collection and processing
Excavate when the seedlings just germinate in early spring or when the stems and leaves wither in late autumn, remove fibrous roots and sediment, bake until half-dry, pile up for 2 to 3 days, and then dry until completely dry after softening.
Remove impurities, wash, moisten, cut into thin slices, and dry in the sun or at low temperature.
Du Huo TCM
The dry root of Angelica pubescens Maxim.f. biserrata Shan et Yuan.
Acrid in the mouth, bitter, slightly warm in nature.
Return kidney, urinary bladder channel.
Expelling wind and removing dampness, clearing numbness and relieving pain.
For anemofrigid-damp arthralgia, pain in the waist and knees, Shaoyin volt wind headache, wind-cold dampness headache.
1. Wind toxin, foot weakness, full upper qi: five taels of solitary life, five taels of aconite (used raw, cut). Take a bucket of wine, soak it for three nights, obey the first joint, and use slight numbness as the degree. ("Behind the Elbow" Alone Wine)
2. Swelling and pain of beriberi: Zhenchuan Duhuo five qian, papaya and achyranthes bid one or two each. The total is the end, three qian per serving, and the hollow white soup is adjusted. ("Compendium of Materia Medica")
3. Apoplexy without speaking: Live alone for one or two, two liters of wine, one liter for decocting, five blends of soybeans, stir-fry with sound, pour hot medicinal wine, cover for a long time, take three blends of wine, and take it again if it is not healed. ("Compendium of Materia Medica" cited "Xiaopin Fang")
People with yin deficiency and blood dryness should take it with caution, and those with qi and blood deficiency who have pain all over the body and those with yin deficiency and lower body flaccidity are contraindicated. Among all vain winds, salty is not suitable for living alone.
1. "Decoction Materia Medica": In solitary living, it treats the foot shaoyin and the wind, but does not treat the sun, so the feet are cold and damp, and they can't move and stop, so it can't be cured.
2. "Book of Materia Medica": solitary living, it mainly relieves the pain of golden sores hit by wind and cold, and golden sores are attacked by wind and cold, then the blood and qi will be blocked, so the pain will be more severe. Then the muscle surface is peaceful, the qi and blood circulate, so the pain will stop itself. For Bentun, the accumulation of the kidneys, the kidney meridian is for the wind and cold to take advantage of the deficiency, and it will become Bentun. This medicine originally enters the foot shaoyin, so it is cured. Both qi and qi are formed by wind and evil, and when the wind goes away, heng and heng will heal themselves. Women's hernias are caused by cold and dampness taking advantage of the deficiency of the middle kidney. Bitterness can dry dampness, warmth can dispel cold, and pungent energy can disperse. When cold and dampness go away, the kidneys are at ease. Gout is never new.
Du Huo benefits
Expelling wind and dampness
Du Huo is pungent and bitter in taste and slightly warm in nature, so it can play a very good therapeutic effect on wind-cold-damp arthralgia and wind-cold dampness syndrome.
If the patient has a Shaoyin headache, taking Duhuo can also relieve pain, mainly because Duhuo has a sedative and analgesic effect on the central nervous system, so it can relieve pain.
Antibacterial and anti-inflammatory
Du Huo has antibacterial and anti-inflammatory effects, so it can inhibit the symptoms of skin itching.
Chuan Lian Zi side effects
Excessive oral administration of Du Huo can cause irritation to the gastrointestinal tract, causing nausea, vomiting and stomach discomfort.
Du Huo has a certain degree of nephrotoxicity, which will aggravate kidney damage, and long-term large-scale use will affect kidney function.
Nervous system symptoms
If the patient takes the drug improperly and takes large doses of Duhuo, nervous system symptoms such as headache, irritability, and tongue numbness may appear. In severe cases, mydriasis, generalized tonic convulsions, and coma may appear.
Du Huo uses
Du Huo Ji Sheng Tang
Chinese medicine prescription name. Du Huo Ji Sheng Tang is a damp-dispelling agent, which has the effects of expelling rheumatism, relieving numbness and pain, benefiting the liver and kidney, and nourishing qi and blood. It is mainly used to treat arthralgia syndrome for a long time, deficiency of liver and kidney, deficiency of Qi and blood. Pain in the waist and knees, flaccidity, poor flexion and extension of the limbs, or numbness, chills and warmth, palpitations, shortness of breath, pale tongue with white coating, thready and weak pulse. Clinically, it is often used to treat chronic arthritis, rheumatoid arthritis, rheumatic sciatica, lumbar muscle strain, hyperosteogeny, polio, etc., which belong to chronic wind-cold-damp arthralgia and lack of righteousness.
Black Bean Du Huo Soup
Ingredients: black beans (four taels), Du Huo (six taels), stewed meat (3 pieces), water (12 bowls)
Method: Put the black beans in a wok and stir-fry over low heat until the bean coat cracks, then wash the ingredients and put them in the pot. After the water boils, turn to low heat and cook for 2 hours, then add salt
Efficacy: Treat soreness and weakness of the waist and knees, limb weakness, rheumatic arthralgia, nourish qi and blood, dispel cold and relieve pain, dispel wind and activate collaterals.
Du Huo Ji Sheng Wan
Ingredient: 15 flavors including Duhuo, Sangjisheng, Fangfeng, Gentiana, Cinnamon, Huaxixin, Chuanxiong, Angelica (made from wine), Radix Paeoniae Alba, and Eucommia (made from salt water).
Properties: This product is a brown-black honeyed pill; the taste is slightly sweet and pungent, numb.
Function cures mainly: Nourishing blood and relaxing tendons, expelling wind and removing dampness. For anemofrigid-damp arthralgia, cold pain in the waist and knees, and difficulty in flexion and extension.
Specifications: Each pill weighs 0.07g.
Usage and dosage: take orally, 6g each time, twice a day.
Precautions: Use with caution in patients with severe heart, liver, and kidney impairment.
Dang Gui Du Huo wine
Prescription: Duhuo 60g, soybean 500g, angelica 10g, rice wine 1500
1. First mash Duhuo and angelica, put them in a clean container, and soak them in wine for 24 hours;
2. Then stir-fry the soybeans until green smoke comes out, pour into the wine and seal;
3. After cooling, remove slag, filter, and bottle for later use.
Efficacy: expelling wind and nourishing blood. It is suitable for those with postpartum blood deficiency and apoplexy.
Usage: 10--15ml each time, 3 times a day, warm the wine and take it on an empty stomach.
Efficacy: This wine has the effects of dispelling wind and relieving pain, nourishing blood and promoting blood circulation, dispelling dampness and relieving numbness.
Duhuo Jisheng wine
Recipe: 30 grams of Duhuo, 20 grams of Sangji, 30 grams of Gentiana, 20 grams of Fangfeng, 12 grams of Asarum, 50 grams of Angelica, 30 grams of Radix Paeoniae Alba, 20 grams of Chuanxiong, 50 grams each of Rehmannia and Eucommia, 30 grams each of Achyranthes bidentata and Codonopsis pilosula 40 grams of poria cocos, 15 grams each of licorice and cinnamon, and 1.5 kilograms of alcohol.
Preparation method: mash the medicine, soak it in a clean bottle with wine, seal the mouth, unseal it after 14 days, and remove the residue for later use.
Usage: Drink according to the amount, regardless of time.
Indications: anemofrigid-damp arthralgia, joint pain, poor flexion and extension, soreness of the waist and knees, numbness of limbs, aggravated by cloudy rain.
How to choose Du Huo?
Generally speaking, when we choose Duhuo on the market, we try to choose solitary living with thick roots and strong aroma. Such solitary living has better quality and better medicinal properties.
How to buy Du Huo?
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