Crude drug sample data base

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Crude drug name

Market name車前子
Formal name車前子
Japanese nameしゃぜんし, Shazenshi
Vernacular nameCheqianzi
Latin namePlantaginis Semen (JP), (CP)
English namePlantago Seed (JP), Plantain Seed (CP)
Original plant namePlantago asiatica L., (Ōbako)
Family namePlantaginaceae
Used partClassificationPlant origin
Sub classification seed
Production area informationPeople's Republic of China, Jiangxi Prov.
Collection informationJapan, Osaka Pref., Tochimoto Tenkaido Co., Ltd.
Collection date2020/7/3
CollectorKatsuko Komatsu
RemarksJoint Usage / Research Center Project 2020
TMPW No.30636

The capital city, provincial capital city or the representative　　
location of its administrative area is indicated.　　
28.682892
115.85819700000002
Production area information
People's Republic of China,Jiangxi Prov.
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車前子, Cheqianzi, Plantaginis Semen (JP18, CP2020), Plantago Seed (JP18), Plantain Seed (CP2020)
crude drug image
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Original plant namePlantago asiatica Linn., (Ōbako)
original plant image
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Family namePlantaginaceae
Used partseed
Quality for selectionGood one is shiny blackish color and sinks in water (TN).
Official compendiumJP XVIII, CP (2020 ed.)
Clinical applicationIt is mainly used as a decoction for water retention, gonorrhea, antidiarrheal, clear-eyed, expectorant and antitussive. It is used in a few prescriptions for urinary tract diseases. It is also used as a raw material for compound medicine (antitussive expectorant), but it is contraindicated for pregnant women because it is a lubricant and excretory.
Medical systemTraditional Chinese medicine
Drug effect in
traditional medicine		Traditional
classification		Diuretics removing dampness
Beneficial effect[Property and Flavor] Cold; sweet.
[Meridian Tropism] Liver, kidney, lung and small intestine meridians.
[Actions] To clear heat, disinhibit urine and relieve stranguria, drain dampness to check diarrhea, improve vision, and dispel phlegm.
[Indications] Heat strangury with slow pain, edema distention and fullness, diarrhea caused by summerheat-dampness, red painful swelling eyes, phlegm-heat cough.
Chemical constituentOther aliphatic and related compounds
(*C1):
Plantenolic acid, Succinic acid

Polysaccharides
(*C1):
Plantasan, Plantagomucilage A

Monoterpenoids
(*C2):
Aucubin, Geniposidic acid

Carotenoids & Vitamin A
(*C1):
Vitamin A

Phenylpropanoids
(*C2):
Acteoside, Syringin

Flavanones & Dihydroflavonols
(*C1):
Plantagoside

Simple nitrogen containing compounds
(*C1):
Adenine, Choline

Sulfur containing alkaloids
(*C1):
Vitamin B1

Chemical structure


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Pharmacological effectDiuretic action. Simultaneously increases excretion of urea, sodium chloride, uric acid, etc. in addition to water.
DNA sequenceL36454, AJ236046; Traditioal Medical & Parmaceutical Database.
Classical reference
(Chinese Herbal Classic "Zhenglei bencao")		※Click this image to see the actual image
DiseaseOliguria, Urodynia, Dysuria, Vomitting, Diarrhea, Red eye, Decreaced vision, Muscae valitantes, Corneal opacity, Cough, A lot of sputum
FormulationGoshajinkigan, Gorinsan, Seishinrenshiin, Ryutan-shakan-to, Meiroin, Ryutan-shakan-to, Meiganippo
Related drugsPlantaginis Herba
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 228-229.
C2)Outline of Pharmacognosy, a Textbook, p 224.
Last renewal date2022/01/21
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