Rheum officinale – da huang

Rhubarb
[Medicinal Use] This product is the rhizome of Rheum palmatum or Rheum officinale of the Polygonaceae family.
[Nature and flavor and meridians] Bitter, cold. Enters the spleen, stomach, large intestine, pericardium, and liver meridians.
[Effects] Attacks accumulation and removes stagnation, purges fire and cools blood, removes blood stasis and dredges the meridians.
[Clinical Application] 1. Used for dry stool, stagnation and diarrhea, as well as heat-stagnation constipation, and high fever with yellow tongue coating.
Rhubarb has laxative and clears stagnation, so it can be used for constipation and stagnation diarrhea, tenesmus, loose stools and discomfort; and because it can be bitter and cold to relieve heat and cleanse the stagnation of the stomach and intestines, it can play a role in clearing heat and purging fire for symptoms of heat-stagnation constipation, high fever and coma, which belong to the symptoms of real heat stagnation. In clinical application, this product is often used in combination with Glauber’s salt, Magnolia bark, Citrus aurantium, etc.
2. Used for hyperactivity of fire and heat, forced blood overflow, as well as red and painful eyes, hot and toxic sores and boils.
Rhubarb can purge heat and relieve blood heat, so it can also be used to treat blood heat that overflows, such as vomiting blood and epistaxis; for symptoms such as red and swollen eyes, heat-toxic sores and boils, which are symptoms of blood heat stagnation, it can be used with coptis, scutellaria, moutan bark, red peony root, etc.
3. It is used for abdominal pain caused by blood stasis after childbirth, blood stasis, menstrual disorders, as well as injuries, pain caused by blood stasis, etc.
Rhubarb enters the blood and can break blood and remove blood stasis, so it can be used for the above-mentioned symptoms of blood stasis. When used, it must be used with drugs that promote blood circulation and remove blood stasis, such as peach kernel, red peony root, safflower, etc.
In addition, rhubarb can clear damp heat and be used for jaundice. It is often used in combination with drugs such as wormwood and gardenia in clinical practice; if this product is ground into powder, it can also be used as an external application medicine for burns and heat-toxic sores, which has the effect of clearing heat and detoxifying.
[Prescription name] Shengjun, Shengchuanjun, Shengjinwen, Shengdahuang (raw, strong purgative effect) Jiuchuanjun, Jiuxi Dahuang (spray raw Dahuang with yellow wine, dry it and use it, it can enhance the effect of promoting blood circulation and removing blood stasis)
Zhijun, Zhichuanjun, Zhidahuang (mix it with yellow wine and steam it until it turns black, it has a slow purgative effect and can clear away heat and dampness)
[General dosage and usage] One to three qian, decocted and taken. Used as a laxative and then taken. Grind it into powder and swallow it, two to three fen each time.
[Comment] 1. Dahuang is also called “Chuanjun”. It is cold and bitter in nature. It is an important medicine for purging fire, breaking up accumulation and removing blood stasis. It is used in small amounts and has a stomachic effect. It is widely used in clinical practice and can play its specialties with different combinations. If combined with Glauber’s Salt, it can attack and break up the accumulation; combined with Aconite, it can warm the Yang and reduce turbidity; combined with Artemisia Capillaris, it can clear dampness and heat; combined with Scutellaria Baicalensis and Coptis chinensis, it can purge fire and cool blood; combined with Coptis chinensis and Areca, it can clear heat and remove stagnation, and is used for damp-heat diarrhea and tenesmus; combined with Cortex Moutan, Red Peony Root, Peach Kernel, etc., it can activate blood circulation and remove blood stasis, and is used for blood stasis, amenorrhea, injury and blood stasis or the initial stage of intestinal carbuncle; another example is that a small amount of this product, combined with cuttlefish bone, can clear heat and reduce acid, and treat stomach pain, heartburn, burning sensation in the abdomen, etc.
2. In addition to taking it internally, rhubarb can also be applied externally to treat heat-toxic carbuncle, water and fire burns, which is also for its effect of purging fire and detoxification.
3. If this product is used for purgation and laxative, it should be added later when decocted, or soaked in boiling water, otherwise the efficacy will be weakened.
4. After taking rhubarb, its pigment will be excreted from urine or sweat glands, so urine and sweat can appear yellow. In addition, after breastfeeding women take it, the baby sucks the breast milk, which may cause diarrhea, so breastfeeding women should not take it. Because this product can also promote blood circulation and remove blood stasis, women must also use it with caution before and after pregnancy and during menstruation.
[Example of prescription] Dachengqi Decoction “Treatise on Febrile Diseases”: rhubarb, sodium sulfate, immature bitter orange, Magnolia officinalis. It is mainly used to treat constipation caused by excessive heat, abdominal distension, irritability and delirium, dry mouth, scorched yellow tongue coating, and deep and strong pulse.
Dahuang Fuzi Decoction “Golden Chamber”: rhubarb, aconite, asarum. It treats constipation caused by cold accumulation.
Xiayuxue Decoction “Golden Chamber”: rhubarb, peach kernel, earthworm. It treats abdominal pain caused by blood stasis in the abdomen after childbirth.
Dahuang Mudan Decoction “Golden Chamber”: rhubarb, peony bark, peach kernel, sodium sulfate, winter melon seeds. It treats intestinal abscess. (In recent years, this prescription is often used to treat acute appendicitis clinically, with Patrinia scabra, Red vine, and raw coix seed; or this prescription is used without wax gourd seeds and with Red vine, Trichosanthes seed, and red peony root.)
The dried root and root product of Rheum tanquticum Maxim.ex Balf, or medicinal rhubarb Rheum officinale Bail, is the stem of Rheum palmatum, a plant of the Polygonaceae family. It is dug up in late autumn when the stems and leaves wither or before germination in the next spring, the fine roots are removed, the outer skin is scraped off, the petals or segments are cut, and the product is strung into strings or dried directly.
[Proprietà]
This product is cylindrical, conical, oval or irregular in shape, 3~17cm long and 3~10cm in diameter. The surface of the product without the outer skin is yellow-brown to reddish-brown, and some of them can be seen with off-white reticular textures and scattered stars (heteromorphic vascular bundles). The remaining outer skin is brown, with many rope holes and coarse wrinkles. The texture is solid, with some slightly soft in the center, and the cross section is light reddish brown or yellowish brown, with obvious granularity; the rhizome pith is broad, with star-shaped rings or scattered; the root wood is well-developed, with radial texture, the cambium ring is obvious, and there are no star-shaped points. The smell is fresh, the taste is bitter and slightly astringent, and the texture is sticky and has a sandy feel.
[Identificazione]
(1) Cross-section of this product: the root cork layer and the inner cork layer have mostly been removed. The phloem sieve tube group is obvious; the parenchyma is well-developed. The cambium is annular. The xylem rays are dense, 2 to 4 rows of cells wide, containing brown
substances; the vessels are non-lignified, often 1 to several clusters, sparsely arranged. The parenchyma cells contain clusters of calcium oxalate crystals and many starch grains.
The rhizome pith is broad, and mucus cavities are often found in it, with reddish-brown substances; the heteromorphic vascular bundles are scattered, the cambium is annular, the xylem is located outside the cambium, the phloem is located inside the cambium, and the rays are emitted in a star shape.
The powder is yellow-brown. The diameter of calcium oxalate crystals is 20~160um, and some are up to 190um. The vessels with margins, reticular vessels, spiral vessels and annular vessels are non-lignified. There are many starch grains, single grains are spherical or polygonal, with a diameter of 3~45um and a star-shaped umbilicus; compound grains are composed of 2~8 sub-grains.
(2) Take a small amount of powder of this product and perform micro-sublimation, and rhombic needle crystals or feather-shaped crystals can be seen.
(3) Take 0.1g of powder of this product, add 20ml of methanol, soak for 1 hour, filter, take 5ml of filtrate, evaporate to dryness, add 10ml of water to the residue to dissolve, add 1ml of hydrochloric acid, heat and reflux for 30 minutes, cool immediately, and extract with ether twice by shaking, 20ml each time, combine the ether solution, evaporate to dryness, and add 1ml of chloroform to the residue to dissolve, as the test solution. Take 0.1g of rhubarb control medicinal material and prepare the control medicinal material solution in the same way. Take the rhein reference substance and add methanol to make a solution containing 1 mg per 1 ml as the reference solution. According to the thin layer chromatography method (General Rule 0502), take 44 l of each of the above three solutions and spot them on the same silica gel H thin layer plate with sodium carboxymethyl cellulose as the adhesive, and use the upper layer solution of petroleum ether (30~60℃)-ethyl formate-formic acid (15:5:1) as the developing agent, develop, take out, dry and inspect under ultraviolet light (365nm). In the chromatogram of the test product, the same five orange-yellow fluorescent main spots appear at the corresponding positions of the chromatogram of the reference medicinal material: the same orange-yellow fluorescent spots appear at the corresponding positions of the chromatogram of the reference substance, and the spots turn red after being fumigated with ammonia vapor.
[Ispezione]
Rhein Take 0.1g of the powder of this product, add 10ml of methanol, ultrasonically treat for 20 minutes, filter, take 1ml of the filtrate, add methanol to 10ml, and use it as the test solution. Take another rhubarb glycoside reference substance, add methanol to make a solution containing 10ug per 1ml, as the reference substance solution (freshly prepared for use). According to the thin layer chromatography method (General Rule 0502), take 5y of each of the above two solutions and spot them on the same polyamide film respectively, use toluene-ethyl formate-acetone-methanol-formic acid (30:5:5:20:0.1) as the developing agent, develop, take out, dry, and examine under ultraviolet light (365nm). In the chromatogram of the test product, the same bright blue fluorescent spot shall not appear at the corresponding position of the chromatogram of the reference substance.
The moisture content shall not exceed 15.0% (General Rule 0832 Method 2).
The total ash content shall not exceed 10.0% (General Rule 2302).
[Estrarre]
According to the hot leaching method under the water-soluble extract determination method (General Rule 2201), it shall not be less than 25.0%.
【Determinazione del contenuto】
Total anthraquinones were determined according to high performance liquid chromatography (General Rule 0512).
Chromatographic conditions and system suitability test, octadecylsilane bonded silica gel as filler: methanol-0.1% phosphoric acid solution (85:15) as mobile phase: detection wavelength of 254nm. The number of theoretical plates calculated based on the rhein peak should not be less than 3000.
Preparation of reference solution Accurately weigh the aloe-rhein reference, rhein acid reference, rhein reference, chrysophanol reference, and rhein methyl ether reference, and add methanol to prepare solutions containing 80 μg of aloe-rhein, rhein acid, rhein, and rhein methyl ether, and 40 μg of rhein methyl ether per 1 ml; accurately measure 2 ml of the above reference solution, mix well, and obtain (16 μg of aloe-rhein, rhein acid, rhein, and rhein methyl ether per 1 ml).
Preparation of test solution Take about 0.15g of the powder of this product (passed through a No. 4 sieve), weigh it accurately, put it in a stoppered conical flask, accurately add 25ml of methanol, weigh it, heat and reflux for 1 hour, cool it, weigh it again, make up the lost weight with methanol, shake it well, and filter it. Accurately measure 5ml of the filtrate, put it in a flask, evaporate the solvent, add 10ml of 8% hydrochloric acid solution, ultrasonically treat it for 2 minutes, add 10ml of chloroform, heat and reflux for 1 hour, cool it, put it in a separatory funnel, wash the container with a small amount of chloroform, and put it into the separatory funnel. Separate the chloroform layer, extract the acid solution with chloroform three times, 10ml each time, combine the chloroform solution, recover the solvent under reduced pressure to dryness, add methanol to dissolve the residue, transfer it to a 10m| volumetric flask, add methanol to the scale, shake it well, filter it, and take the filtrate.
Determination method: Accurately pipette 10 ml of reference solution and test solution respectively, inject into liquid chromatograph, and determine.
This product, calculated on a dry basis, contains total anthraquinones, calculated as the total amount of aloe-emodin (C15H1005), rhein (C15HgO6),
emodin (C15H1005), chrysophanol (C15H1004) and physophanol methyl ether
(C16H1205), which shall not be less than 1.5%.
Free anthraquinone: Determine according to high performance liquid chromatography (General Rule 0512)
Chromatographic conditions and system suitability test: Same as those under [Content Determination] Total Anthraquinone
Preparation of reference solution: Take the reference solution under [Content Determination] Total Anthraquinone, and obtain.
Preparation of test solution Take about 0.5g of the powder of this product (passed through a No. 4 sieve), weigh it accurately, put it in a stoppered conical flask, accurately add 25ml of methanol, weigh it, heat and reflux for 1 hour, cool it, weigh it again, make up the lost weight with methanol, shake it well, filter it, and take the filtrate to obtain it.
Determination method Accurately aspirate 10ml of the reference solution and the test solution respectively, inject it into the liquid chromatograph, and determine it to obtain it. This product is calculated on the basis of dry product, and the total amount of free anthracene contained in this product, calculated as aloe-emodin (C1sHoOr), rhein (C1sHgO6), rhein (C15HiO5), chrysophanol (C15H1oO4) and rhein methyl (C16H12O5), shall not be less than 0.20%.
Medicinal pieces
[In elaborazione]
Rhubarb Remove impurities, wash, moisten thoroughly, cut into thick slices or blocks, and dry.
【Proprietà】
This product is in the form of irregular round thick slices or blocks of varying sizes. The outer skin is yellow-brown or brown, with longitudinal wrinkles and pimple-like protrusions. The cut surface is yellow-brown to light reddish brown, relatively flat, with obvious scattered or ring-arranged star points, and gaps.
【Ispezione】
Il contenuto di acqua è lo stesso del materiale medicinale, non superiore a 13,0%.
【Determinazione del contenuto】
Free anthraquinone is the same as the medicinal material, not less than 0.35%.
【Identification】【Inspection】
(Rhubarb glycosides Total ash)
【Extract】【Content determination】
(Total anthraquinone) is the same as the medicinal material,
Wine rhubarb Take clean rhubarb slices and fry them dry according to the wine roasting method (General Rule 0213).
【Proprietà】
This product is shaped like rhubarb slices, with a dark brown-yellow surface, and some can be seen with burnt spots. There is a slight aroma of wine.
【Ispezione】
Il contenuto di acqua è lo stesso del materiale medicinale, non superiore a 13,0%.
【Determinazione del contenuto】
Free anthraquinone is the same as the medicinal material, not less than 0.50%.
【Identification】【Inspection】
(Rhubarb glycosides Total ash)
【Extract】【Content determination】
(Total anthraquinones) Same as medicinal materials.
Cooked rhubarb Take clean rhubarb pieces and stew them according to the wine stewing or wine steaming method (General Rule 0213) or until both the inside and outside are black.
【Proprietà】
This product is in irregular pieces, with a black surface and faint radial textures in the middle of the cross section. It is hard and has a slight fragrance.
【Ispezione】
Water content Same as medicinal materials, not more than 13.0%.
【Determinazione del contenuto】
Free anthraquinone Same as medicinal materials, not less than 0.50%.
【Identification】【Inspection】
(Rhubarb glycosides Total ash)
【Extract】【Content determination】
(Total anthraquinones) Same as medicinal materials.
Rhubarb charcoal Take clean rhubarb pieces and stir-fry them according to the charcoal stir-frying method (General Rule 0213) until the surface is burnt black and the inside is burnt brown.
【Proprietà】
This product is shaped like rhubarb pieces, with a burnt black surface, dark or burnt brown inside, and a burnt aroma.
【Analisi del contenuto】
Total anthraquinones: Same as medicinal materials, not less than 0.90%.
Free anthraquinones: Same as medicinal materials, not less than 0.50%.
【Inspection】【Extracts】Same as medicinal materials.
【Nature and flavor and meridians】
Bitter, cold. Enters spleen, stomach, large intestine, liver, pericardium meridians.
【Functions and indications】
Purges and attacks accumulation, clears heat and purges fire, cools blood and detoxifies, expel and clears menstruation, removes dampness and reduces jaundice. Used for constipation due to heat accumulation, vomiting and bleeding due to blood heat, red eyes and swollen throat, carbuncle, abdominal pain due to intestinal carbuncle, amenorrhea, postpartum stasis, trauma, damp-heat dysentery, jaundice and red urine, stranguria, edema, external treatment of burns and scalds. Wine rhubarb is good at clearing heat and toxicity from the upper part of the blood, and is used for red eyes and swollen throat, gingival swelling and pain. Cooked rhubarb has a slow laxative effect, purges fire and detoxifies, and is used for fire toxicity sores. Rhubarb charcoal cools blood, removes blood stasis and stops bleeding, and is used for blood heat with blood stasis and bleeding.
【Utilizzo e dosaggio】
3~15g; for purgation, it should not be boiled for a long time. For external use, grind into powder and apply to the affected area.
【Note】
Use with caution during pregnancy, menstruation and lactation.
【Magazzinaggio】
Place in a ventilated and dry place to prevent moth.
Where is the main origin of rhubarb?
Rheum palmatum and Rheum tanguticum are called northern rhubarb, mainly produced in Qinghai and Gansu. Medicinal rhubarb is called southern rhubarb, mainly produced in Sichuan.
Where is the main part of rhubarb used as medicine?
Medicinal parts of rhubarb:
Dried roots and rhizomes of Rheum palmatum L., Rheum tanguticum Maxim.ex Balf. or Rheumofficinale Bai. of the Polygonaceae family,
Characteristics of the medicinal parts of rhubarb:
This product is cylindrical, conical, oval or irregular block, 3~17cm long and 3~10cm in diameter. The surface of the bark is yellow-brown to red-brown, and some of them can be seen with white reticular texture and scattered stars (heteromorphic vascular bundles). The remaining bark is brown, with many rope holes and coarse wrinkles.
The texture is solid, and some are slightly soft in the center. The cross section is light reddish brown or yellowish brown, and granular; the rhizome pith is broad, with stars ringed or scattered; the root wood is well-developed, with radial texture, obvious cambium ring, and no stars. The smell is fresh, the taste is bitter and slightly astringent, and the sticky teeth have a sandy feel.
How are rhubarb recorded in ancient books? “Ben Cao”: “It can remove blood stasis, blood stasis, cold and heat, break up accumulation of lesions, cleanse the intestines and stomach, remove the old and bring in the new, promote the flow of water and food, regulate the middle and digest food, and calm the five internal organs. “Yao Xing Ben Cao”: “It can treat cold and heat, digest food, refine the five internal organs, regulate women’s menstruation, relieve edema, break up phlegm, cold and heat accumulation, and stale food, benefit the large and small intestines, and treat heat toxic swelling. It can treat children’s cold and heat diseases, irritability, pus erosion, and break up retained blood.

“Compendium of Materia Medica Volume 17”: “Dysentery with red and white stools, abdominal pain in the interior, dribbling urine, dryness and constipation due to excess heat, hot flashes and delirium. Jaundice, various fire sores. “Pharmaceuticals”: “Rhubarb has a heavy and turbid smell, goes straight down, moves without guarding, and has the power to break through the gates, so it is called the general. It specializes in treating abdominal distension, chest and stomach heat accumulation, accumulation of phlegm, blood stasis, and amenorrhea in women. Because of the internal heat accumulation, this can be used to guide the yang evil, clear the stagnation, and achieve the best results.
Effetti
Rhubarb has the functions of purging and attacking accumulation, clearing heat and purging fire, cooling blood and detoxifying, removing blood stasis and dredging menstruation, and removing dampness and jaundice.
What are the main effects and clinical applications of rhubarb?
Rhubarb is used for constipation caused by heat accumulation, vomiting and bleeding due to blood heat, red eyes and swollen throat, carbuncle, intestinal pain and abdominal pain, blood stasis and amenorrhea, postpartum blood stasis, trauma, damp-heat dysentery, jaundice and red urine, stranguria, edema; external treatment for burns and scalds.
Wine rhubarb is good at clearing heat and toxicity from the upper part of the blood, and is used for red eyes and swollen throat, gingival swelling and pain.
Roasted rhubarb has a slow laxative effect, clears fire and detoxifies, and is used for fire poison sores.
Rhubarb charcoal cools blood, removes blood stasis and stops bleeding, and is used for blood heat with blood stasis and bleeding.
Stagnation and constipation
· Treats constipation caused by heat accumulation, often in combination with Glauber’s salt, Magnolia bark, and Citrus aurantium.
Treats cold accumulation, abdominal pain and constipation, and can be used with aconite and asarum. .
· Treats spleen yang deficiency and cold accumulation constipation, and can be used with aconite, dried ginger, etc.
Treat constipation due to heat accumulation and deficiency of qi and blood, often used with ginseng, angelica, licorice, etc.
Treat constipation due to heat accumulation and deficiency of yin, dry intestines, often used with Ophiopogon japonicus, Rehmannia glutinosa, Scrophularia ningpoensis, etc.
Heat toxicity
· Treat irritability, thirst, red face and scorched lips, sore throat, mouth and tongue sores caused by fire and heat, often used with Forsythia suspensa, Scutellaria baicalensis, Gardenia jasminoides, etc.
Treat abdominal pain due to intestinal carbuncle, often with Peony bark, Peach kernel, Glauber’s salt, etc. .
Treat sores, carbuncle, swelling, redness, swelling, heat and pain, with Radix Trichosanthis, Phellodendron chinense, Turmeric, etc. Grind into powder for external application.
· In addition, this product can be used alone, or with Radix Sanguisorbae officinalis powder, and mixed with sesame oil for application, it can also treat burns caused by water and fire.
Blood heat bleeding
Treat internal evil fire, vomiting blood, blood circulation, etc. due to blood heat bleeding in the upper part, especially suitable for blood heat bleeding, can be used alone, or with Coptis chinensis and Scutellaria baicalensis.
Blood stasis syndrome
Treats abdominal pain caused by blood stasis after childbirth, or lochia retention, blood stasis, menstrual obstruction, etc., and is often used with peach kernel and earthworm. .
·Treats injuries caused by falls, swelling and pain caused by blood stasis, and is often used with angelica, safflower, pangolin, etc.
Sindrome caldo-umido
·Treats damp-heat jaundice, and yellow face, often with Artemisia capillaris and Gardenia.
Treats damp-heat stranguria, often with Akebia, Plantago, Gardenia, etc. Patients with dribbling urination.
Treats damp-heat diarrhea, abdominal pain and tenesmus, and is used with Coptis chinensis and Aucklandia lappa.
What other effects does rhubarb have?
In my country’s traditional food culture, some Chinese medicinal materials are often widely consumed as food ingredients among the people, that is, substances that are both food and Chinese medicinal materials according to tradition (i.e. edible and medicinal substances). According to the documents issued by the National Health Commission and the State Administration for Market Regulation, rhubarb can be used as both medicine and food within a limited range of use and dosage.
Commonly used medicinal recipes for rhubarb are as follows
Relieve heat and moisten dryness
Rhubarb honey tea: 20 grams of rhubarb, 200 ml of boiling water, soak for 15 minutes, add appropriate amount of honey, and drink instead of tea. It can be used during the onset of pancreatitis.
Clear heat, purge fire, digest food, and remove fat
Rhubarb fat-removing green tea: 6 grams of green tea, 2 grams of rhubarb, brew in boiling water for 5 minutes, 1 dose per day, divided into 2~3 times. Suitable for patients with obesity and hyperlipidemia.
Moisturizing
Intestinal lubricant: 9 grams of rhubarb, grind into powder, add appropriate amount of honey and mix well, divided into 2 times a day, take with warm water. Suitable for patients with acute intestinal obstruction.
What are the compound preparations containing rhubarb?
Rhubarb gallbladder capsule
Clear heat and dampness, detoxify and reduce jaundice. It is used for flank pain, bitter mouth, and loss of appetite caused by liver and gallbladder dampness and heat; cholecystitis, fatty liver with the above symptoms.
Rhubarb stomach-clearing pills
Clear heat and relieve constipation. Used for dry mouth and tongue, headache and dizziness, and dry stool caused by blazing stomach fire.
Jiuzhi Dahuang Wan
Purges and relieves stagnation. Used for constipation, damp-heat diarrhea, constant thirst, no food or water, chest heat and irritability, and red and yellow urine caused by gastrointestinal stagnation.
Dachengqi Tang
Strongly relieves heat. Indications: Yangming Fu Shi syndrome, heat stagnation and side flow syndrome, heat syncope, illness or madness of internal heat syndrome, etc.
Dahuang Fuzi Tang
Warms the interior and dispels cold, relieves constipation and relieves pain. Indications: cold accumulation and internal syndrome. Abdominal pain and constipation, partial pain under the ribs, fever, cold hands and feet, white and greasy tongue coating, and tight pulse
Dahuang Mudan Tang
Purges heat and breaks blood stasis, dispels stagnation and reduces swelling. Indications: initial stage of intestinal carbuncle and damp-heat stagnation syndrome. Right lower abdominal pain refuses to be pressed, urination is adjusted, or the right foot is flexed but not extended, and the pain is severe when pulled, or fever from time to time, sweating and aversion to cold, thin and greasy yellow tongue coating.
Xiayuxue Decoction
Purges heat and removes stasis. It is mainly used to treat blood stasis and heat transformation, and internal stasis and heat. Postpartum lower abdominal pain that refuses to be pressed, and there are lumps when pressed, or lochia does not come out, dry mouth and tongue, dry stool, and even skin and nails, purple tongue with ecchymosis and petechiae, yellow and dry tongue coating, and deep and astringent pulse. It also treats blood stasis and menstrual problems.
Xiexin Decoction
Purges fire and eliminates stagnation. It is mainly used to treat pathogenic heat stagnation under the heart and qi blockage. The heart is full, soft when pressed, irritable and thirsty, yellow and red urine, uncomfortable or constipated stool, or vomiting blood and epistaxis, red tongue with thin yellow tongue coating, and rapid pulse.
Modern research progress on rhubarb
This product has multiple pharmacological effects such as increasing intestinal peristalsis, promoting defecation, anti-acute pancreatitis, anti-pathogenic microorganisms, anti-renal failure, liver protection, gallbladder, anti-ulcer, hemostasis, anti-fibrosis, lipid-lowering, anti-atherosclerosis, anti-inflammatory, and anti-tumor.
Metodo di utilizzo
Rhubarb is generally used in the form of slices of rhubarb, which can be taken orally or externally. Please follow the doctor’s instructions for specific medication.
How to use rhubarb correctly?
Rhubarb is generally used in decoctions, decocted and taken, and can also be made into powder or pills for consumption. However, the use of Chinese medicinal materials must be based on syndrome differentiation and treatment, and should be used under the guidance of professional Chinese medicine practitioners. It should not be used at will, and it is even more forbidden to listen to Chinese medicine prescriptions and advertisements at will.
·When rhubarb decoction is taken orally, the usual dosage is 3~15g; 15~20g is used for severe heat accumulation.
·When rhubarb is used externally, take an appropriate amount of rhubarb, grind it into powder and apply it to the affected area to treat heat toxic carbuncle, water and fire burns.
·When rhubarb is used for purgation, the decocting time should not be too long, and it should be added later.
After different processing methods, Chinese medicinal materials such as raw rhubarb, wine rhubarb, cooked rhubarb and rhubarb carbon can be produced. Different processing methods have different effects. Please follow the doctor’s instructions for specific medication.
Raw rhubarb has a strong laxative effect. It is suitable for those who want to attack the lower part. It should not be boiled for a long time in decoctions, or soaked in boiling water. Long boiling will weaken the laxative effect.
Wine rhubarb is good at clearing heat and toxins from the upper part of the blood, and is used for red eyes, swollen throat, and swollen gums; cooked rhubarb has a slow laxative effect, clears fire and detoxifies, and is used for fire poison sores.
· Rhubarb charcoal cools blood, removes blood stasis and stops bleeding, and is used for blood heat with blood stasis and bleeding.
Common Chinese medicine combinations are as follows:
Rhubarb with Glauber’s Salt: Rhubarb can purge, attack accumulation, clear heat, purge fire, and detoxify; Glauber’s Salt can purge, soften hard masses, and clear heat. The two medicines are good at purge, attack accumulation, moisten and soften dry stool, and clear heat and purge fire. They are effective in treating real heat stagnation, dry stool, and hard stool.
Rhubarb with Croton and Dried Ginger: Rhubarb is good at purging heat and laxatives, attacking accumulation and guiding stagnation; Croton is good at clearing cold accumulation; Dried Ginger is good at warming the middle and dispersing cold. The three medicines are matched, and the croton and rhubarb have a milder and more lasting laxative effect: the rhubarb has croton, and its coldness can be removed; and the dried ginger that warms the middle and dispels the cold is added to help dispel the cold, so it is good for treating cold accumulation and constipation.
How to prepare rhubarb?
Rhubarb
Take the original medicinal materials, remove impurities, separate the large and small, wash, fish out, soak until soft, cut into thick slices or small cubes, dry or dry at low temperature, and sieve out the debris.
Wine rhubarb
Take rhubarb slices or pieces, spray with yellow wine and mix well, and moisten for a while. After the wine is absorbed, put it in a frying container, fry it with a slow fire until it is dry, and the color deepens. Take it out and let it cool, and sieve out the debris. For every 100 kg of rhubarb slices or pieces, use 10 kg of yellow wine:
Cooked rhubarb
Take rhubarb slices or pieces, put them in a wooden steamer, steamer or steaming container, heat them in water, and steam until the rhubarb is black inside and out, take it out and dry it. Take rhubarb slices or pieces, add rice wine and mix well, stew for about 1-2 hours until the wine is absorbed, put into a stewing pot or a suitable steaming container, seal, heat in water, stew for about 24-32 hours until the rhubarb is black inside and outside, take it out and dry it. Use 30 kg of rice wine for every 100 kg of rhubarb slices or pieces.
Rhubarb charcoal
Take rhubarb slices or pieces, put them in a frying container, heat them with high heat, fry until the surface is burnt black, take them out and let them cool
Vinegar rhubarb
Take rhubarb slices or pieces, add rice vinegar and mix well, stew for a while, wait until the vinegar is absorbed, put them in a frying container, heat them with low heat, fry until dry, take them out, let them cool, and sieve out the debris. Use 15 kg of rice vinegar for every 100 kg of rhubarb slices or pieces.
Qingning Tablets
Take rhubarb slices or pieces, put them in a cooking container, add water to cover the surface of the medicine, heat with high heat, and when it is cooked, add rice wine (100:30) and stir, then cook it into a mud, take it out and dry it, crush it, pass it through a 100-mesh sieve, take out the fine powder, and then mix it with rice wine and refined honey into a lump, put it in a steamer and steam it until it is thoroughly steamed, take it out and knead it evenly, and rub it into a round strip with a diameter of about 14 mm, dry it at a low temperature of 50℃~55℃, and when it is 70% dry, put it in a container and keep it for about 10 days until the humidity inside and outside is consistent and it feels firm to the touch, take it out, cut it into thick slices, and dry it. For every 100 kg of rhubarb slices or pieces, use 75 kg of rice wine and 40 kg of refined honey.
Which drugs should be used with rhubarb at the same time with special attention?
The combined use of traditional Chinese medicine and the combined use of traditional Chinese and Western medicine requires syndrome differentiation and clinical individualized treatment. If you are taking other medications, please consult a doctor before taking the medicine, and inform the doctor of all your confirmed diseases and treatment plans you are receiving.
Istruzioni per l'uso
Rhubarb is bitter and cold, good at attacking and purging heat, activating blood circulation and removing blood stasis, so women should be cautious or avoid taking it during pregnancy, menstruation, and lactation.
What precautions should be taken when using rhubarb?
Rhubarb can easily damage stomach qi and blood, so it should not be used indiscriminately by people with spleen and stomach deficiency, qi and blood deficiency, no blood stasis, no stagnation, yin carbuncle, or carbuncle with pus after ulceration.
Use with caution in pregnant women, menstruation, and lactation.
·During medication, be careful not to eat cold, raw and cold food, spicy and greasy food.
·Children: Children should take medication under the guidance of a doctor and adult supervision.
Please keep the medicinal materials properly and do not give your own medicinal materials to others.
How to identify and use rhubarb?
Rhubarb is a laxative, which is the dried root and rhizome of Rheum palmatumL., Rheum tanguticum Maxim.exBalf. or Rheum officinale Bail. of the Polygonaceae family.
. Raw rhubarb has a strong laxative effect. It is suitable for those who want to attack the lower part. It should not be boiled for a long time in decoctions, or soaked in boiling water. Long-term boiling will weaken the laxative effect. ·Wine rhubarb is good at clearing heat and toxins from the upper part of the blood, and is used for red eyes, swollen throat, and swollen gums; cooked rhubarb has a slow laxative effect, clears fire and detoxifies, and is used for fire poison sores. ·Rhubarb charcoal cools blood, removes blood stasis and stops bleeding, and is used for blood heat with blood stasis and bleeding.
Le domande più frequenti dei pazienti
The efficacy and function of Rhubarb and Stinging Worm Pills
Rhubarb and Stinging Worm Pills are blood-activating and symptom-eliminating agents. It is composed of cooked rhubarb, earthworm (fried), leech (processed), horsefly (wings and legs removed, fried), grub (fried), dried lacquer (calcined), peach kernel, bitter almond (fried), scutellaria, rehmannia, white peony root, and licorice. It has the effects of promoting blood circulation and removing blood stasis, promoting menstruation and eliminating tumors. It is used to promote blood circulation and remove blood stasis, promoting menstruation and eliminating tumors. It is used for blood stasis, abdominal lumps, skin and nails, dark eye sockets, hot flashes and thinness, amenorrhea, and chronic active hepatitis B.
The efficacy and role of rhubarb laxative granules
Rhubarb laxative granules are a Chinese patent medicine. It is composed of rhubarb fluid extract.
It has the effect of clearing heat and relieving constipation. It is used for real heat food stagnation, constipation and damp-heat type loss of appetite.
The efficacy and role of rhubarb and aconite soup
Rhubarb and aconite soup is composed of rhubarb, aconite (blasted), and asarum.
It has the effects of warming yang and dispersing cold, relieving constipation and relieving pain. Indications: Yang deficiency and cold stagnation, abdominal pain, constipation, fever, cold hands and feet, greasy white tongue coating, and tight pulse.

Effects and functions of cooked rhubarb

Rhubarb is a laxative, which is the dried root and rhizome of Rheum palmatum L, Rheum tanguticum Maxim.ex Balf. or Rheum officinale Bail. of the Polygonaceae family. Raw rhubarb has a strong laxative effect. It should be used raw if you want to attack the lower part. It should not be boiled for a long time in decoctions, or soaked in boiling water. Long boiling will weaken the laxative effect. Cooked rhubarb has a slow laxative effect, clears fire and detoxifies, and is used for fire poison sores.