Crude drug sample data base

※Click on the image to enlarge it.
Crude drug name

Market name蒡根
Formal name茅根
Japanese nameぼうこん, Bōkon
Vernacular nameMaogen
Latin nameImperatae Rhizoma (JP), (CP)
English nameImperata Rhizome (JP), Lalang Grass Rhizome (CP)
Other names白茅根 (Baimaogen)
Original plant nameImperata cylindrica P. Beauvios var. major (Ness) C. E. Hubb.
Family nameGramineae
Used partClassificationPlant origin
Sub classification rhizome
Collection informationJapan, Osaka Pref., Tochimoto Tenkaido Co., Ltd.
Collection date1972/04/13
TMPW No.437

The capital city, provincial capital city or the representative  
location of its administrative area is indicated.  
Production area information
https://ethmed.toyama-wakan.net/img/pin_san.png
34.6937378
135.50216509999996
Collection information
Japan,Osaka Pref.
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)
crude drug image
More
※Click on the image to enlarge it.
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
※Click on the image to enlarge it.
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




※画像をクリックすると、拡大して表示されます。
Pharmacological effectDiuresis (water extract).
DNA sequenceAF345653, AF092512, AF190764
Classical reference
(Chinese Herbal Classic "Zhenglei bencao")
※Click this image to see the actual image
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 date2021/09/27