Crude drug sample data base

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Crude drug name

Market name白茅根
Formal name茅根
Japanese nameぼうこん, Bōkon
Vernacular nameBaimaogen
Latin nameImperatae Rhizoma (JP), (CP)
English nameImperata Rhizome (JP), Lalang Grass Rhizome (CP)
Original plant nameImperata cylindrica P. Beauvios var. major (Ness) C. E. Hubb.
Family nameGramineae
Used partClassificationPlant origin
Sub classification rhizome
Production area informationPeople's Republic of China, Hubei Prov.
Collection informationPeople's Republic of China, Wuhan, Trade Center of Chinese drug, Wuhan
Collection date1987/11/10
CollectorTsuneo Namba, et al.
TMPW No.7826

The capital city, provincial capital city or the representative  
location of its administrative area is indicated.  
30.592849
114.30553899999995
Production area information
People's Republic of China,Hubei Prov.
https://ethmed.toyama-wakan.net/img/pin_san.png
30.592849
114.30553899999995
Collection information
People's Republic of China,Wuhan
https://ethmed.toyama-wakan.net/img/pin_nyu.png

Scientific information data base

Common name茅根, Maogen, Imperatae Rhizoma (JP18), (CP2020), Imperata Rhizome (JP18), Lalang Grass Rhizome (CP2020)
Synonyms白茅根 (Baimaogen)
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Original plant nameImperata cylindrica Beauvois1, Imperata cylindrica P. Beauvios var. koenigii Durand et Schinz, Imperata cylindrica var. major C.E. Hubb., (Chigaya1)
original plant image
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Family nameGramineae
Used partrhizome
Quality for selectionGood Maogen is thick, long and light in color (yellowish-white). (TN)
Official compendiumJP XVIII, CP (2020 ed.)
Clinical applicationAs an antiinflammatory diuretic, antifebrile, hemostatic, for clearing blood, maogen is applied for heat disease, hematemesis, epistaxis, hematuria, edema, jaundice, oliguria, thirst, asthma and nausea.
Medical systemTraditional Chinese medicine
Drug effect in
traditional medicine
Traditional
classification
Hemostatics
Beneficial effect[Property and Flavor] Cold; sweet.
[Meridian Tropism] Lung; stomach and bladder meridians.
[Actions] To cool the blood, stanch bleeding, clear heat, and promote urination.
[Indications] Hematemesis, epistaxis and hematuria caused by blood heat, vexation and thirst caused by heat disease, dampness-heat jaundice, edema, small quantity of urination, and heat strangury with slow pain.
Chemical constituentOther aliphatic and related compounds
(*C1):
Citric acid, Malic acid

Monosaccharides
(*C1):
D-Fructose, D-Glucose, D-Xylose

Oligosaccharides
(*C1):
Sucrose

Triterpenoids
(*C1):
Simiarenol, Cylindrin, Arundoin, Fernenol, Isoarborinol

Others
(*C1):
K塩/KCl

Chemical structure




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Pharmacological effectDiuresis (water extract).
DNA sequenceAF345653, AF092512, AF190764
Classical reference
(Chinese Herbal Classic "Zhenglei bencao")
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DiseaseHematemesis, Nasal hemorrhage, Hematuria, Thirst, Vomitting, Nausea, Hiccup, Measles, High fever, Cough, Jaundice, Acute nephritis, Urodynia, Dysuria
Formulationrarely used in formula
ReferencesJP18: The 18th edition of the Japanese Pharmacopoeia.
CP2020: Pharmacopoeia of the People's Republic of China 2020 edi.
C1) The Encyclopedia of Wakan-Yaku with Color Pictures Vol. I, pp 98-99.
Last renewal date2024/02/02