Pharmaceutical name:

英文藥名﹕

Herba Descurainiae seu Lepidii

Semen Descurainiae seu Lepidii

Botanical name:

學名﹕

Lepidium sativum, Ledeb , （水芹, 獨行菜）

Lepidium apetalum Willd.,  （ 獨行菜，北葶藶子）

Lepidium micranthum L.,

Descurainia sophia (L.) Webb ex Prantl (南葶藶子，播娘蒿)【1】

Draba nemorosa var. hebecarpa Ledeb.

Japanese:

日語﹕

teirekishi﹔ , literally means pepper grass.

Pron. in Korean:

韓語發音﹕

chongbangja

Pron. in Cantonese:

粵音﹕

tok hang choi,

teng lik tse

Other Names:

別名﹕

tian ting li 甜葶藶子

Common Name:

英文名﹕

garden crest (Lepidium sativum); flixweed, herb sophia （Descurainia sophia）

Distribution:

產地﹕

Eastern and south central China (Descurainia), northern and northeastern China (Lepidium)

南葶藶子： 中國之東部，中南部

水芹, 獨行菜：中國之北部與東北部。

Properties

(characteristics)﹕

性味﹕

acrid, bitter, cold

辛，苦，寒。

歸經﹕

lung, bladder

肺，膀胱。

Medical functions:

藥理﹕

Actions & Indications:

主治﹕

in whooping cough, pleurisy, idiopathic pneumothorax, pulmonary edema, ascites, acute nephritis in children, and pyloric infarction.

用於百日咳，肋膜炎，自發性 氣胸症，肺水腫，腹水，小兒急性腎炎，

Chemical ingredients:

化學成份﹕

(1) Heart stimulating chemicals : stophanthidine, evomonoside, helvticoside, evbioside, erysimoside

(2) glucosinolates, benzyl isothiocyanate, allyl isothiocynatge, allyl isothiocyanate, 3-butenyl isothiocyanate

(3) fatty acids: linolenic acid 7.54%, linoleic acid 32.5%, oleic acid 25.1%, sinapic acid 21.4%, palmitic acid 9.64%, stearic acid 3.81%

(4) seeds of du xing cai (lepidium apetalum Willd.) contain sinalbin, protein and sugar

Dosage:

用量﹕

3 to 9 g

Samples of formulae

:處方舉例﹕

Modern Research:

現代研究﹕

Toxicity & Cautions:

毒素與禁忌﹕

Side effects: tightness in chest, nausea, vomiting, dizziness, panic, rash, pale complexion, sweating, breathing difficulty, increased heart rate, lowering of blood pressure and heart failure.

Not to use in cases of wheezing and cough due to lung qi deficient, or in edema due to pixu (spleen deficient)

副作用包括：胸口悶，作嘔，嘔吐，眩晕，驚慌，紅班，臉色蒼白，出汗，呼吸困難，心悸，血壓低，心力衰竭。

忌用於：心气虚所致之喘咳或因脾虛所致之水腫。.