Administration Guide:Indications,Dosage,Preparations,Interactions,Precautions,Adverse Reactions,Safety and Risks of Burdock.
- Basic Botanical Information of Burdock.
- Plant Description and Habitat of Burdock.
- Burdock:Archeology and Narritive History of its Names.
- Overview in brief of Burdock in History.
- Uses of Burdock in Traditional Record and Ancient Herbal Classics.
- Phytochemicals and Constituents of the Burdock Root.
- Common Actions,Applications and Part uses of Burdock.
- Medicinal Action and Uses of Burdock.
- Administration Guide:Indications,Dosage,Preparations,Interactions,Precautions,Adverse Reactions,Safety and Risks of Burdock.
- Burdock Herb Uses for Chronic Skin Disease and Cosmetic Uses.
- Research Update:Burdock and Its Constituents.
Administration Guide:Indications,Dosage,Preparations of Burdock.
Indications and Dosage from CP for Burdock Seed:The CP(Chinese-Pharmacopia 2010) noted the herb Burdock Seed taste hot bitterness,nature cold.Enter into lung and stomach meridians.Functions dispelling wind and heat,open the inhibited lung-energy promoting eruption,resolve toxin and disinhibit the throat.Indicated for anemopyretic cold(wind-heat type common cold),cough with phlegm,measles,urticaria,throat swelling paing,mumps erysipelas,abscess and toxin of sores.Indicated dosage 6~12 grams,store at dry ventilated place.
Indications and Dosage from CHMM for Burdock Seed:The CHMM noted the herb Burdock Seed taste hot bitterness,nature cold.Enter into lung and stomach meridians.Main functions dispelling wind and heat,open the inhibited lung-energy promoting eruption,relieve sore throat and eliminating stagnation,detoxification and deswelling.Indicated for cough due to wind-heat evil,swelling and pain in throat,macula not broken,itchy wind papules,sore and ulcer,pyogenic infections.Suggested dosage internal as decoction 5~10 grams,or into powder,external use proper amount mouthwash with decoction.2
Indications and Dosage from CHMM for Burdock Root:The CHMM noted the herb Burdock Root taste bitter and slight sweet,nature cold,enter into lung and heart meridians.Functions relieve heat,relieve pyogenic infection.Indicated for anemopyretic cold(wind-heat type common cold),headache,cough,swelling due to heat toxin,throat swelling pains,rheumatism pain,abdominal mass and accumulation lump,carbuncle and malignant sore,haemorrhoids and archoptosis.Suggested dosage internal taken as decoction 6~15grams,or pounding juice,or grained into powder,or soaking with alcohol.External use proper amount as paste,or strain and wash.2
Indications and Dosage from APA Guide for Burdock Root:The APA Guide book give some guide of indications and dosage for the herb Burdock Root,it classified two species under the title "Burdock Root",which included "Arctium lappa L.(great burdock) and Arctium minus(Hill) Bernh.(common burdock).Family:Asteraceae(Compositae)",it noted that "although the herbs's popularity has waned in recent decades,burdock root once featured prominently in the repertoires of european and american folk healers.Europeans started using it heavily in the Middle Ages.They and their predecessors were perhaps most committed to the herb's role as a diuretic(water pill) that could 'purify blood' by flushing toxins out of the body,including the microorganism that causes syphilis.Today it is touted as a body 'cleanser'.Over the centuries,burdock root was also enlisted to break up kidney and bladder stones,alleviate constipation,remedy stomach and intestinal disorders,promote swelling,control arthritis and gout pains,and ease childbirth.Traditional Chinese and Indian doctors often select this herb for treating colds,flu,and other throat and chest conditions.Many contemporary herbalists continue to promote burdock root in internal form as a duiretic and remedy for such ailments as urinary tract infections,ulcers,backache,arthritis,and sciatica pains.Some consider it a potential cancer-fighter.They also carry on the long-standing tradition of recommending external forms of canker sores,warts,poorly healing wounds,and chronic skin conditions such as psoriasis and eczema.A number of hair growth formulations contain the herb.Homeopaths add minute amounts to their formulations for pain,rheumatism,stomach upset,and other ailments.Asians consider burdock root a food.The young leaves are also eaten as greens."For adminisration,it suggested some dosage:"Dosage commonly reported:A decoction is made using 1 and 1/4 teaspoons chopped or coarsely powdered root in a cup of water.The tincture is taken in dosages of 1/2 to 1 teaspoon up to three times per day.Three capsules of 475 milligrams each are taken three times a day."3
Indications and Dosage from PDR for Burdock(Arctium lappa):The PDR 4th edition noted some indications of the herb as "Unproven Uses:preparations of burdock root are used for ailments and complaints of the gastrointestinal tract,as a diaphoretic and diuretic,and for blood purifying.Externally,it is used for ichthyosis,psoriasis,and seborrhea of the scalp.The claimed efficacies have not been documented.Chinese Medicine:Burdock is used to treat carbuncles,ulcers and erythema of the skin as well as sore throats.Efficacy has not been proved.",for dosages it suggested as "mode of administration:administered as a drug and,for external use,in the form of burdock oil(extract with fat oil).Preparation:Tea,steep 2.5 g(1 teaspoon) of the drug with 150 mL boiling water.Daily dose:Tea.1 cup 1 to 2 times a day."4
Dosage information from other varied origins:1/2 tsp. ground dried root per cup. Steep 15 minutes.Traditional herbalists recommend 2-4 ml of burdock root tincture per day. For the dried root preparation in capsule form, the common amount to take is 1-2 grams three times per day. Many herbal preparations will combine burdock root with other alterative herbs, such as yellow dock, red clover, or cleavers.Burdock root is generally taken as an herbal tea three to five times per day. German authorities recommend using 2.5g of finely chopped or coarsely powdered drug per cup of tea (1 teaspoon of powdered burdock root weighs approximately 2 grams). It is recommended that the tea be infused in cold water first (for up to several hours) and then boiled for up to an hour and finally passed through a strainer.This long process serves to increase the bioavailability of some of the active ingredients. As a food, this root can also be added to soups.
Dried root:2-6g or by infusion
Liquid Extract:1:1 in 25% alcohol, 2-8ml
Tincture:1:10 in 45% alcohol, 8-12ml
Decoction:1:20, 500ml per day
Burdock root is harvested from the first-year plant in the early fall. Roots are deep and may be difficult to extract. The leaves are best used when fresh, as the dried leaf is bitter. Harvesting is done before the plant flowers.
Decoction: Burdock's medicinal properties, concentrated in the root, are best extracted by decoction. Add about 1 tsp of thinly-sliced, fresh or dried burdock root per 8 oz of cold water in a glass or ceramic pot. Bring to a boil. Reduce heat and simmer for about 20 minutes. Drink up to three cups daily.
Poultice: Simmer fresh, chopped burdock leaves for up to five minutes. Drain, squeezing out the liquid. Cool until warm. Apply to the affected area and secure with a clean strip of cotton gauze. A little oil applied to the skin first may keep the poultice from sticking when dry. Prepare a fresh poultice every few hours until the desired relief is obtained.
Tincture: Combine one part fresh herb to three parts alcohol (50% alcohol/water solution) in glass container. Set aside in dark place. Shake daily for two weeks. Strain through muslin or cheesecloth, and store in dark bottle. The tincture should maintain potency for two years. Standard dosage, unless otherwise prescribed, is 1/2 tsp, three times daily.
Culinary: Fresh burdock roots are mild tasting and somewhat sweet. They may be peeled and thinly sliced to add to soups, salads, and in a mixture of stir-fried vegetables. The young leaves of the first year plant may be eaten fresh or steamed as a nutritious potherb, and the fresh stalks, peeled and steamed until tender, are also a culinary treat. Burdock root, roasted and ground to a powder, has been used as coffee additive or substitute.
Properties: mucilaginous, alterative, diuretic, diaphoretic, urinary tonic, demulcent
Folk Use: Demulcent effects, alterative effects on blood and urinary system. Chinese say it heals hot conditions. Elimate nervous energy. Sweat out toxins, infections.
Traditional formulas: Alfalfa and Yucca combination, Pau D'arco and Yellow Dock combination, Red Beet and Yellow Dock combination, Ephedra and Senega combination, Cedar Berry combination
As a food, burdock may be eaten in large quantities and for long periods with no apparent side effects. For supplemental dosing of burdock, available oral dosage forms include not only juice made from the leaves, but also capsules, tablets, extracts, and tinctures made from the roots. Extracts are concentrated liquid preparations usually made by soaking chopped or mashed plant parts in a liquid such as alcohol, and then straining out the solid parts. Tinctures are less concentrated than extracts, but they are prepared in similar ways. Recommended doses vary, so the directions on the package that is purchased should be followed by individuals who decide to take burdock as an herbal supplement.
A tea may be made by soaking about one teaspoonful of chopped, dried burdock root in 8 ounces of cold water for 5 hours to 6 hours, then boiling the water and straining out the solid particles before drinking the liquid. This tea may be cooled and used on the skin as a wash, as well. Be aware, however, that burdock root closely resembles the roots of belladonna and deadly nightshade, two poisonous plants that may grow in the same areas as burdock. Reports of serious illnesses and deaths have been reported from burdock root products that were contaminated with belladonna or deadly nightshade. To avoid the possibility of contamination, burdock root products should be purchased from reliable companies and not collected from wild plants.
Though we have talked a lot about acne , many cases of dandruff, eczema, and psoriasis are improved with daily burdock usage. But, much like the acne "miracle drug" Accutane, which generated 125 million dollars in sales in the United States last year, it does not work overnight. Burdock tea must be taken three times a day for several months before you will notice a significant improvement. This means you have to be willing to invest time, energy, and money in a treatment which will not show its effects for weeks and months. This is not an instant gratification herbal remedy. Few are. But, in many cases chronic skin disease is cleared up with continued burdock usage. Fortunately, though, burdock tea is also generally boosting to the constitution so that you can expect to enjoy better overall health in the process of clearing up your skin.
Administration Guide:Interactions of Burdock Herb.
Burdock root tea may reduce the requirements for insulin, based on its effectiveness for helping to normalize blood sugar levels. Therefore it is recommended that diabetics consult with a health care practitioner.
As with other sources of soluble fibre, burdock root itself may reduce the absorption of oral medications and therefore should be taken separately from these.
No interactions between burdock and prescription drugs, non-prescription drugs, other herbal products, or foods have been reported. However, because few reliable studies of burdock have been conducted in humans, its possible interactions are not understood completely.
Burdock root is commonly eaten as a food by people east asia living all over the world, including in Canada and the U.S.It is listed as a GRAS food (generally recognized as safe) in the U.S. and Canada.
Burdock has been reported to interact with medications given to control diabetes. Persons with diabetes should consult a physician before taking any herbal preparation containing burdock. In addition, burdock has been reported to intensify the activity of diuretics (drugs given to increase urine output) and lithium.
Burdock may also interfere with the absorption of iron and other minerals in the diet. Persons who must take supplemental iron or other dietary minerals should consult their health practitioner before taking burdock.
Administration Guide:Precautions,Adverse Reactions,Safety and Risks of Burdock.
The use of herbs is a time-honored approach to strengthening the body and treating disease. Herbs, however, contain active substances that can trigger side effects and that can interact with other herbs, supplements, or medications. For these reasons, herbs should be taken with care, under the supervision of a practitioner knowledgeable in the field of botanical medicine.
Some individuals who handle burdock may experience an irritation of the skin.
Pregnant or nursing women should avoid burdock as it may cause damage to the fetus.
It is best to avoid taking excessive amounts of burdock (especially burdock root) as the toxic effects of this herb are not well understood.
Although in folk medical practices it is believed that burdock lowers blood sugar and may help with diabetes, there is one animal study that suggested that this herb aggravated experimentally-induced diabetes in rats. It is not clear whether this same concern would apply to people.
Because the roots of burdock closely resemble those of belladonna or deadly nightshade (Atropa belladonna), there is a risk that burdock preparations may be contaminated with these potentially dangerous herbs. Be sure to buy products made by established companies with good reputations, and who distribute their products through trustworthy and knowledgeable establishments. Whenever possible, select products with guaranteed potency or standardized extracts.
Some commercially available burdock leaves and roots have been suspected of being adulterated, on occasion, with the root of the deadly belladonna (Atropa belladonna) with toxic consequences to unwary users. Consumers of herbal remedies should find a reliable source for medicinal herbs to avoid hazardous mistakes. Pregnant women should not use burdock, as it has a reported action as a uterine stimulant.
Based on a small animal study, burdock products may promote tightening of the uterus, possibly resulting in a miscarriage. Although no miscarriages have been reported in humans, pregnant women may want to avoid eating or taking burdock.
Burdock belongs to the same family of plants that also includes chrysanthemums, daisies, and ragweed. Individuals who are sensitive to any of these types of plants may also be sensitive to burdock. Additionally, the rough, prickly burrs from burdock may irritate the skin.
Burdock root appears to be safe, even when consumed in large amounts as a vegetable. However, it looks very similar to the roots of belladonna and deadly nightshade, two poisonous plants that may grow in the same areas as burdock. Accidental inclusion of these poisons in burdock root products has resulted in deaths. If you decide to use burdock root, purchase it from a reputable commercial source. Do not try to harvest it from wild burdock plants.
Possible side effects:
No side effects have been associated with using burdock. Since few reliable studies of its use have been conducted in humans, however, it may have side effects that are not yet known. If you experience unexplained side effects while taking burdock, you should stop taking it and tell your doctor or pharmacist about the side effects.
Pregnancy:the achene or fruit of Burdock should not be used during the first trimester of pregnancy.
Precautions and Adverse Reactions from Reference:
The PDR 4th edition noted "No health hazards or side effects are known in conjunction with the proper administration of designated therapeutic dosages.There is a slight potential for sensitization via skin contact with the drug.Anti-cholinergic symptoms have been reported in multiple cases related to consumption of burdock product.These were due to adulteration of the products with atropine-containing herbs and not due to any constituents or properties inherent to burdock.Burdock can be safely combine with pharmaceutical drugs other than the combination of any Burdock tincture or alcohol extract with disulfiram or metronidazole due to the alcohol content."4
Risks and Notes:
Note: Cases of poisoning have been reported from burdock root products that were mixed unintentionally with the roots of belladonna or deadly nightshade. All three plants look similar and they may grow in the same general environments. Their roots may be impossible to tell apart once they have been collected. If you choose to use burdock root, be sure that it is from a reputable source.
Rarely,burdock root has been found to be contaminated with poisonous material from other plants. Such adulterated products have caused severe illness and death.
Pregnant women should avoid burdock due to a slight potential for causing uterine tightening that could lead to miscarriage. Individuals with allergies to plants in the daisy family should avoid touching burdock.
Safety and Toxicity:
Niu Bang Zi can cause tonic convulsion in frogs, mice, and rabbits: the breathing slows down first, then spontaneous activities decrease, and finally, paralysis sets in without stopping the heartbeat.
Reference:Editorial Committee of Chinese Materia Medica. State Drug Administration of China. Chinese Materia Medica. Shanghai: Science and Techonology Press; 1998.
Chemical Name:2(3H)-Furanone, 4-[(3,4-dimethoxyphenyl) methyl]-3-[[4-(Beta-D-glucopyranosyloxy)-3-methoxyphenyl] methyl] dihydro-, (3R-trans)-
Molecular Formula:C27H34O11; Molecular Weight:534.54; Melting Point:110-112 Deg C.
Burdock root extract.Lignans 50%(Arctiin 50% of Total Lignans).Animal test proved that Burdock lignans functions good for lower blood sugar and cholesterol control.
Acute Toxicity.LD50.Oral.Mice.577.6~902.4 times of clinical dose.
LD50.Oral.Rat.495.7 times of clinical dose.
LD50.Intraperitoneal.Mice.119.4 times of clinical dose.
LD50.Intraperitoneal.Rat.22.1 times of clinical dose.
180 days chronic test of Rat at dose 160,80,10.8 times of clinical dose of human prove no toxic effects,and no chronic toxicity.
180 days chronic test of Dog oral dose at 2.13,20,40 times of clinical dose of human shows: at 40 times dose Lignans of burdock do certain harm to liver,kidney tissue and functions,no other kinds of toxic effects,no continuous toxic effects. No any toxic effects appear at lower dose such as 2.13 and 20 times groups.
Safety in General:
The Burdock root is generally safe as a food.The APA Guide book noted that "Will it harm you?what the studies say:As a food,burdock root is generally considered safe.But very spotty information is available on its potential toxicity when used in medicinal concentrations.The FDA classifies it as an herb of 'undefined safety.'Contact with the plant itself can cause irritation and dermatitis.If you are pregnant or diabetic,you may want to avoid the herb;evidence that it may stimulate the uterus raises concerns about miscarriage(although miscarriage has never been documented),and studies in mice indicate that it can aggravate a diabetic condition.In the 1970s,commercially packaged burdock-root tea was implicated in a number of atropine poisonings in the United States and europe.But further investigation revealed that the herb has been adulterated with the similar-appearing but toxic Deadly Nightshade.But burdock root only from a reliable source."3
1: The Arctium lappa and its useful herb parts:Burdock Root and Burdock Seed,traditional heat clearing herb and antidote herb,traditional uses and modern applications.
2: see CHMM(Zhong Hua Ben Cao,or Chinese Herbal Materia Medica)
3: see The American Pharmaceutical Association Practical Guide to Natural Medicines,1st Ed,under title "Burdock Root",p122~123.
4: see PDR for Herbal Medicines 4th Ed.under title "Burdock:Arctium lappa",p136~138.
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