Saturday, 5 April 2014

Chinese medicine…Cordyceps ( dong chong xia cao ) 冬蟲草 དབྱར་རྩྭ་དགུན་འབུ་ ……… treat many diseases related to lungs, kidney, and also used as a natural Viagra.

Ophiocordyceps sinensis (left) growing out of the head of a dead caterpillar

Ophiocordyceps sinensis is a fungus that parasitizes larvae of ghost moths and produces a fruiting body valued as an herbal remedy. The fungus germinates in the living larva, kills and mummifies it, and then the stalk-like fruiting body emerges from the corpse. It is known in English colloquially as caterpillar fungus, or by its more prominent foreign names (see below): yartsa gunbu or yatsa gunbu (Tibetan), or Dōng chóng xià cǎo (Chinese: 冬虫夏草; literally “winter worm, summer grass”). Of the various entomopathogenic fungi, Ophiocordyceps sinensis is one that has been used for at least 2000 years[2] to treat many diseases related to lungs, kidney, and also used as a natural Viagra. This fungus is not yet cultivated commercially,[3] despite the fact that several fermentable strains of Ophiocordyceps sinensis are isolated by Chinese Scientists.[4] Overharvesting and over exploitation have led to the classification of O. sinensis as an endangered species in China.[5] Additional research needs to be carried out in order to understand its morphology and growth habit for conservation and optimum utilization.
The moths in which O. sinensis grows are ambiguously referred to as “ghost moth”, which identifies either a single species or the genus Thitarodes, and the species parasitized by O. sinensis may be one of several Thitarodes that live on the Tibetan Plateau (Tibet, Qinghai, West-Sichuan, SW-Gansu & NW Yunnan), and the Himalayas (India, Nepal, Bhutan).
O. sinensis is known in the West as a medicinal mushroom, and its use has a long history in Traditional Chinese medicine as well as Traditional Tibetan medicine.[6] The hand-collected fungus-caterpillar combination is valued by herbalists and as a status symbol;[7] it is used as an aphrodisiac and treatment for ailments such as fatigue and cancer, although such use is mainly based on traditional Chinese medicine and anecdote. Recent research however seems to indicate a variety of beneficial effects in animal testing, including increased physical endurance through heightened ATP production in rats.[8]

Cordyceps Sinensis

Cordyceps sinensis (Berk.) Sacc. and the usually the larvae are the remains of Hepialus varians

tonifies lung yin and kidney yang. For impotence, chronic lower back pain, afraid of cold, over abundance of mucus and tears,  chronic cough and wheezing from deficiency, blood in phlegm from consumption due tokidney yang deficiency (shenyangxu).

Cordyceps ( Dong Chong Cao ) 冬蟲草 Chinese Herbal Articles also known as chong cao, dong chong cao, yarsa gumba (Nepalese name of Tibetan origin), yartsa gunbu (dbyar rtswa dgun ‘bu) Tibetan name 蟲草, 冬蟲草. It belong to the “Ascomycetes or Clavicipitaceae” family.
Cordyceps ( Dong Chong Cao ) 冬蟲草 has a sweet, warm properties. It is use for treating the lung and kidney.
Cordyceps ( Dong Chong Cao ) Chinese Herbs Articles was created to help cleanse and rejuvenate your body enable you to stay younger and healthier<br /><br /><br /><br /><br /><br />
with chinese herbal recipes.” width=”348″ height=”272″ /></p>
<table border=
Cordyceps polysaccharide Cordyceps polysaccharide
Vitamin B 12Vitamin B 12
cordycepic acidCordyceps acid
Amino Acid group:Amino acids:
crude protein 27.52%Crude protein 27.52%
amino acid: lysineLysine
aspartic acidAspartic acid

1. Improves auto-immune system.
2. Protects kidneys from toxins.
3. Protects kidneys from exhaustion.
4. Protects liver from toxins and treats and prevents cirrhosis of liver.
5. Protect the heart from the damaging effect of ouabain (C29H44O12.8H2O).
6. Anti-arrhythmia.
7. Anti-rejection effect in cornea transplant.
8. Antibiotic effect.
9. Inhibits contraction of smooth muscles.
  1. improves auto-immune system function. It is an effective adjuvant therapy in  hematopoietic dysfunction and in cancer. Cordyceps polysaccharide on peripheral blood lymphocytes possesses bidirectional immuno-modulatory effects.
    It can enhance the macrophage immune activity.
    Significant improvement of the condition of deformability of erythrocyte after strenuous exercise, and it is related to the degree of concentration of the extract of the herb. As the concentration increases, the effect of improvement increases.
    It can significantly inhibit lipid peroxidation of membrane lipid peroxidation after exercise. There is a strong scavenging effect.
  2. protects kidneys from toxins,
  3. protects kidneys from exhaustion,
  4. protects liver from toxins and treats and prevents cirrhosis of liver,
  5. protect the heart from the damaging effect of  ouabain(C29H44O12.8H2O),
  6. anti-arrhythmia,  
  7. anti-rejection effect in cornea transplant,
  8. antibiotic effect,
  9. inhibits contraction of smooth muscles.
  10. inhibits group A Streptococcus bacteria

Cordyceps ( Dong Chong Cao ) 冬蟲草 use in large dosages and/or long term usage can be toxic to kidneys.

According to the classics Medical Material, “Ben Cao Bei Yao” 本草備要, the best dong chong xia cao 冬蟲夏草, are produced in Sichuan. Today, most of them are produced in Xizang (Tibet) and Qinghai. Because the sizes the larvae are larger, they fetch higher prices.

According to the classics Medical Material, “Ben Cao Bei Yao” 本草備要, the best dong chong xia cao 冬蟲夏草, are produced in Sichuan. Today, most of them are produced in Xizang (Tibet) and Qinghai. Because the sizes the larvae are larger, they fetch higher prices.

Taxonomic History/ Systematics

Caterpillars with emergingOphiocordyceps sinensis

Morphological Features

Similar to other Cordyceps]] species, O. sinensis consists of two parts, a fungal endosclerotium (caterpillar) and stroma.[2] The stroma is the upper fungal part and is dark brown or black, but can be a yellow color when fresh and, longer than the caterpillar itself, usually 4–10 cm. It grows singly from the larval head, and is clavate, sublanceolate or fusiform and distinct from the stipe.[9] The stipe is slender, glabrous, and longitudinally furrowed or ridged. The fertile part of the stroma is the head. The head is granular due to the ostioles of the embedded perithecia.[2] The perithecia are ordinally arranged and ovoid [9] The asci are cylindrical or slightly tapering at both ends, and may be straight or curved, with a capitate and hemispheroid apex and may be two to four spored.[2] Similarly, ascospores are hyaline, filiform, multiseptate at a length of 5-12 um and subattenuated on both sides.[9] Perithecial, ascus and ascospore characters in the fruiting bodies are the key identification characteristics of O. sinensisOphiocordyceps (Petch) Kobayasi species produce whole ascospores and do not separate into part spores which is different from other Cordyceps species, which produce either immersed or superficial perithecia perpendicular to stromal surface and the ascospores at maturity are disarticulated into part spores.[10] Generally Cordyceps species possess brightly colored and fleshy stromata, but O. sinensis had dark pigments and tough to pliant stromata, a typical characteristic feature of most of the Ophiocordyceps species.[3]

Important developments in Classification

The species was first described scientifically by Miles Berkeley in 1843 as Sphaeria sinensis;[11] Pier Andrea Saccardo transferred the species to the genus Cordyceps in 1878.[12]The scientific name‘s etymology is from the Latin cord ”club”, ceps ”head”, and sinensis ”from China“. The fungus was known as Cordyceps sinensis until 2007, when molecularanalysis was used to emend the classification of the Cordycipitaceae and the Clavicipitaceae, resulting in the naming of a new family Ophiocordycipitaceae and the transfer of several Cordyceps species to Ophiocordyceps.[10] Based on a molecular phylogenetic study, Sung et al. (2007) separated the megagenus Cordyceps into four genera as it was polyphyletic, viz. Cordyceps (40 spp.), Ophiocordyceps (146 spp.), Metacordyceps (6 spp.) and Elaphocordyceps (21 spp.), while the remaining 175 spp. were left in Cordyceps. As a result, C. sinensis was transferred to Ophiocordyceps, hence renamed as O. sinensis.[2]

Common Names[edit]

In Tibetan it is known as དབྱར་རྩྭ་དགུན་འབུ་ (ZYPYyartsa gunbuWyliedbyar rtswa dgun ‘bu, “summer grass winter bug”), which is the source of the Nepali यार्शागुम्बा, yarshagumba,yarchagumba or yarsagumba. The transliteration in Bhutan is Yartsa Guenboob. It is known as keera jharkeeda jadikeeda ghas or ‘ghaas fafoond in Hindi. Its name in Chinese Dōng chóng xià cǎo (冬蟲夏草) means “winter worm, summer grass” (i.e., “worm in the winter, [turns to] plant in the summer”). The Chinese name is a literal translation of the original Tibetan name, which was first recorded in the 15th Century by the Tibetan doctor Zurkhar Namnyi Dorje. In colloquial Tibetan Yartsa gunbu is often shortened to simply “bu” or “yartsa”.
In traditional Chinese medicine, its name is often abbreviated as chong cao (蟲草 “insect plant”), a name that also applies to other Cordyceps species, such as C. militaris. InJapanese, it is known by the Japanese reading of the characters for the Chinese nametōchūkasō (冬虫夏草).
Strangely, sometimes in Chinese English language texts Cordyceps sinensis is referred to as aweto [Hill H. Art. XXXVI: The Vegetable Caterpillar (Cordiceps robertsii). Transactions and Proceedings of the Royal Society of New Zealand 1868-1961. Vol 34, 1901;396-401], which is the Māori name for Cordyceps robertsii, a species from New Zealand.
The English term “vegetable caterpillar” is a misnomer, as no plant is involved. “Caterpillar fungus” is a preferable term.

Nomenclature of the anamorph

Since the 1980s, 22 species in 13 genera have been attributed to the anamorph of O. sinensis. Of the 22 species, Cephalosporium acreomonium is the zygomycetous species ofUmbelopsisChrysosporium sinense has very low similarity in RAPD polymorphism, hence it is not the anamorph. Likewise, Cephalosporium dongchongxiacaeC. sp. sensu,Hirsutella sinensis and H. hepiali and Synnematium sinnense are synonymous and only H. sinensis is only validly published in articles. Cephalosporium sinensis possibly might be synonymous to H. sinensis but there is lack of valid information. Isaria farinose is combined to Paecilomyces farinosus and is not the anamorph. Several species like Isaria sp. Verticella sp. Scydalium sp. Stachybotrys sp. were identified only up to generic level, and thus it is dubious that they are anamorph. Mortierella hepiali is discarded as anamorph as it belongs to Zygomycota. Paecilomyces sinensis and Sporothrix insectorum are discarded based on the molecular evidence. P. lingi appeared only in one article and thus is discarded due to incomplete information. Tolypocladium sinense, P. hepiali, and Scydalium hepiali, have no valid information and thus are not considered as anamorph toOphiocordyceps sinensis. V. sinensis is not considered anamorph as there is no valid published information. Similarly, Metarhizium anisopliae is not considered anamorph as it has widely distributed host range, and is not restricted only in high altitude.[13] Thus Hirsutella sinensis is considered the validly published anamorph of O. sinensis. Cordyceps nepalensis and C. multiaxialis which had similar morphological characteristics to C. sinensis, also had almost identical or identical ITS sequences and its presumed anamorph, H. sinensis. This also confirms H. sinensis to be anamorph of O. sinensis and suggests C. nepalensis and C. multiaxialis are synonyms.[14] Evidence based on microcyclic conidiation from ascospores and molecular studies [2] support H. sinensis as the anamorph of the caterpillar fungus, O. sinensis.


The caterpillars prone to infection by O. sinensis generally live 6 inches underground [4] in alpine grass and shrub-lands on the Tibetan Plateau and the Himalayas at an altitude between 3,000 and 5,000 m (9,800 and 16,400 ft). The fungus is reported from the northern range of Nepal, Bhutan, and also from the northern states of India, apart from northern Yunnan, eastern Qinghai, eastern Tibet, western Sichuan, southwestern Gansu provinces.[4] The fungus consumes its host from inside out as they hibernate in alpine meadows. Usually the larvae are more vulnerable after shedding their skin, during late summer. The fungal fruiting body disperses spores which infect the caterpillar. The infected larvae tend to remain vertical to the soil surface with their heads up. The fungus then germinates in the living larva, kills and mummifies it, and then the stalk-like fruiting body emerges from the head and the fungus finally emerges from the soil by early spring.[15] Fifty-seven taxa from seven genera (1 Bipectilus, 1 Endoclita, 1 Gazoryctra, 12 Hepialus, 2Magnificus, 3 Pharmacis, and 37 Thitarodes [3]) are recognized as potential hosts of O. sinensis.

Reproduction Biology

Ophiocordyceps sinensis has both teleomorphic and anamorphic phases. Spending up to five years underground before pupating, the Thitarodes caterpillar is attacked while feeding on roots. It is not certain how the fungus infects the caterpillar; possibly by ingestion of a fungal spore or by the fungus mycelium invading the insect through one of the insect’s breathing pores. The dark brown to black fruiting body (or mushroom) emerges from the ground in spring or early summer, the long, usually columnar fruiting body reaches 5–15 cm above the surface and releases spores.
In late autumn, chemicals on the skin of the caterpillar interact with the fungal spores and release the fungal mycelia, which then infects the caterpillar.[4] After invading a host larva, the fungus ramifies throughout the host and eventually kills it. Gradually the host larvae become rigid due to the production of fungal sclerotia. Fungal sclerotia are multihyphal structures that can remain dormant and then germinate to produce spores. After over-wintering, the fungus ruptures the host body, forming a sexual sporulating structure (a perithecial stroma) from the larval head in summer that is connected to the sclerotia (dead larva) below ground and grows upward to emerge from the soil.[16] The slow growing O. sinensis grows at a comparatively low temperature, i.e., below 21oC. Temperature requirements and growth rates are crucial factors that identify O. sinensis from other similar fungi.[3]

Use in medicine

It is used as a curative to many diseases, anti- aging,[17] hypoglycemic,[18] aphrodisiac and also treatment against cancer. Ophiocordyceps sinensis serves against kidney and lung problems and stimulates the immune system; it is used for treatment of fatigue, night sweating, respiratory disease, hyperglycemia, hyperlipidemia, asthenia after severe illness, arrhythmias and other heart diseases and liver disease.[4]

Traditional Asian medicines

Weighing the precious Caterpillar fungus in Yushu, Southern Qinghai,China, imported from Nepal
Medicinal use of the caterpillar fungus apparently originated in Tibet and Nepal. So far the oldest known text documenting its use was written in the late fourteen hundreds by the Tibetan doctor Zurkhar Nyamnyi Dorje (Wylie: Zur mkhar mnyam nyid rdo rje)[1439-1475]) in his text: Man ngag bye ba ring bsrel (“Instructions on a Myriad of Medicines”). A translation is available at Winkler.[19]
The first mention of Ophiocordyceps sinensis in traditional Chinese Medicine was in Wang Ang’s 1694 compendium of materia medicaBen Cao Bei Yao.[20] In the 18th Century it was listed in Wu Yiluo‘s Ben cao cong xin (“New compilation of materia medica”).[21] No sources have been published to uphold widespread claims of “thousands of years of use in Chinese medicine” or use of “chong cao since the 7th Century Tang Dynasty in China”. The ethno-mycological knowledge on caterpillar fungus among the Nepalese people is documented byDevkota(2006) The entire fungus-caterpillar combination is hand-collected for medicinal use.
The fungus is a medicinal mushroom which is highly prized by practitioners of Tibetan medicine, Chinese medicine and traditional Folk medicines, in which it is used as an aphrodisiac and as a treatment for a variety of ailments from fatigue to cancer. In Chinese medicine it is regarded as having an excellent balance of yin and yang as it is apparently both animal and vegetable. Assays have found thatOphiocordyceps species produce many pharmacologically active substances. They are now cultivated on an industrial scale for their medicinal value. However, no one has succeeded so far in growing the larva cum mushroom artificially. The biological process that forms the Ophiocordyceps is still unknown and true cultivation has yet to be realized.[3] All artificial products are derived from mycelia grown on grains or in liquids.
According to Bensky et al. (2004), laboratory-grown C. sinensis mycelia have similar clinical efficacy and less associated toxicity. He notes a toxicity case of constipation, abdominal distension, and decreased peristalsis, two cases of irregular menstruation, and one case report ofamenorrhea following ingestion of tablets or capsules containing C. sinensis. In Chinese medicine C. sinensis is considered sweet and warm, entering the lung and kidney channels; the typical dosage is 3–9 grams.[22]


Cordycepin, a compound isolated from the “Caterpillar fungus”.
Some work has been published in which Ophiocordyceps sinensis has been used to protect the bone marrow and digestive systems ofmice from whole body irradiation.[23] An experiment noted Ophiocordyceps sinensis may protect the liver from damage.[24] An experiment conducted with mice noted the mushroom may have an anti-depressant effect.[25] Researchers have noted that the caterpillar fungus has ahypoglycemic effect and may be beneficial for people with insulin resistance.[26][27][28][29][30] There is also experimental evidence of the supposed energizing effect of the fungus, as it has been shown to increase endurance through heightened ATP production in rats.[8]
A March 2013 study on Cordyceps Sinensis documented the medicinal fungus’ anti-inflammatory properties.[31] Scientists were able to show Cordyceps Sinensis’ ability to suppress interleukin-1b and interleukin-18 secretion by inhibiting both canonical and non-canonical inflammasomes. Inflammasomes have long been associated with auto-inflammatory diseases, such as gout. The study used a specific anamorphic mycelial form of Cordyceps Sinensis known as Hirsutella Sinensis.

Introduction to the Western world

Ophiocordyceps sinensis
The Western world was largely unaware of Ophiocordyceps prior to 1993. The fungus dramatically caught the world’s eye due to the performance of three female Chinese athletes, Wang JunxiaQu Yunxia, and Zhang Linli. These athletes broke five world records for 1,500, 3,000 and 10,000 meter dashes at the National Games in Beijing, China. The number of new world records set at a single track event attracted much attention and suspicion. Following the races, the women were expected by some to fail drug tests for anabolic steroids. However, the athletes’ tests revealed no illegal substances, and coach Ma Junren told the reporters that the runners were takingOphiocordyceps sinensis and turtle blood at his request. However for the 2000 Sydney Olympics, Ma Junren withdrew some of his athletes at the last minute. It was speculated that a new doping test would have revealed illegal substances, thus half a dozen Chinese field and track athletes were left at home.

Economics and impact

Many shops in downtown Lanzhouadvertise Dōng chóng xià cǎo (冬虫夏草) among other local specialties.
In rural Tibetyartsa gunbu has become the most important source of cash income. The fungi contributed 40% of the annual cash income to local households and 8.5% to the GDP in 2004. Prices have increased continuously, especially since the late 1990s. In 2008, one kilogram traded for US$3,000 (lowest quality) to over US$18,000 (best quality, largest larvae). The annual production on the Tibetan Plateau was estimated in 2009 at 80–175 tons.[32] The Himalayan Ophiocordyceps production might not exceed a few tons.
In 2004 the value of a kilogram of caterpillars was estimated at about 30,000 to 60,000 Nepali rupees in Nepal, and about Rs 100,000 in India.[33] In 2011 the value of a kilogram of caterpillars was estimated at about 350,000 to 450,000 Nepali rupees in Nepal. A 2012 BBC article indicated that in north Indian villages a single fungus was worth Rs 150 (about £2 or $3), which is more than the daily wage of a manual laborer.[34]
According to Daniel Winkler, the price of Ophiocordyceps sinensis has risen dramatically on the Tibetan Plateau, basically 900% between 1998 and 2008, an annual average of over 20% (after inflation). However, the value of big sized caterpillar fungus has increased more dramatically than smaller size Cordyceps, regarded as lower quality.[20]
1997467% (incl. inflation)8,400
2004429% (incl. inflation)36,000
Because of its high value, inter-village conflicts over access to its grassland habitats has become a headache for the local governing bodies and in several cases people were killed. In November 2011, a court in Nepal convicted 19 villagers over the murder of a group of farmers during a fight over the prized aphrodisiac fungus. Seven farmers were killed in the remote northern district of Manang in June 2009 after going to forage for Yarchagumba. [35]
Its value gave it a role in the Nepalese Civil War, as the Nepalese Maoists and government forces fought for control of the lucrative export trade during the June–July harvest season.[36] Collecting yarchagumba in Nepal had only been legalised in 2001, and now demand is highest in countries such as China, Thailand, Vietnam, Korea and Japan. By 2002, the herb was valued at R 105,000 ($1,435) per kilogram, allowing the government to charge a royalty of R 20,000 ($280) per kilogram.
The search for Ophiocordyceps sinensis is often perceived to pose a threat to the environment of the Tibetan Plateau where it grows. While it has been collected for centuries and is still common in such areas, current collection rates are much higher than in historical times.
Ophiocordyceps producers like to perpetuate the story that unscrupulous harvesters insert twigs into the ascocarps of wild C. sinensis to increase their weight and therefore the price paid. A tiny twig is only used when the ascocarp is broken from the caterpillar, and has nothing to do with artificially increasing weight. Supposedly, at some point in the past, someone inserted lead wires with which to increase weight; however, each year hundreds of millions of specimens are harvested and this appears to have been a one-time occurrence.
Cultivated C. sinensis mycelium is an alternative to wild-harvested C. sinensis, and producers claim it may offer improved consistency. Artificial culture of C. sinensis is typically by growth of pure mycelia in liquid culture (in China) or on grains (in the West). The first time in Vietnam, Prof. Aca. Dr. Dai Duy Ban together with scientists and DAIBIO Company and DAIBIO Great Traditional Medicine Family Clinic discovered the Cordyceps sinensis as Isaria cerambycidae N.SP. to develop Fermentation DAIBIO Cordyceps Sinensis.[37]Ascocarps are not produced through in vitro cultivation.


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External links

Yartsa Gunbu (Cordyceps sinensis) in Tibet

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