Materia Medica - Important
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Semen Lepiddi seu Descurainiae
1. Lepidium apetalum Willd.; 2. Descurainia sophia (L.) Webb et prantl
Lepidium seed, Descurainia seed
Source of Earliest Record
Shennong Bencao Jing
Part Used & Method for Pharmaceutical Preparations
The whole plant is harvested in the period of the Beginning of Summer (seventh solar term) and dried in the sun. Then the seeds are collected.
Properties & Taste
Bitter, pungent and very cold
Lung and urinary bladder
1. To reduce phlegm in the lungs and soothe asthma; 2. To promote urination and reduce edema
Indications & Combinations
1. Retention of phlegm fluid in the lungs manifested as cough with profuse sputum, asthma, fullness and distension in the chest and hypochondriac region, asthma in which patient cannot lie flat and edema of the face. Lepidium seed (Tinglizi) is used with Jujube (Dazao) in the formula Tingli Dazao Xiefei Tang.
2. Edema or dysuria. Lepidium seed (Tinglizi) is used with Tetrandra root (Fangji) and Rhubarb (Dahuang) in the formula Ji Jiao Li Huang Wan.
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