Radish seed (Laifuzi)
Raphanus sativus L. (Fam. Brassicaceae)
Pharmaceutical Name: Semen Raphani
Botanical
Name: Raphanus sativus L. (Fam. Brassicaceae)
Common Name: Radish seed.
Source of Earliest Record: Rihuazi
Bencao.
Part Used & Method for Pharmaceutical
Preparations:
Dried ripe seed.
Semen Raphani is produced
in most provinces in China. The seeds are collected in early summer, dried in
sunlight, and used unprepared or stirbaked.
Properties & Taste: Pungent, sweet
and neutral.
Meridians: Spleen, stomach and lung.
Functions: 1. To eliminate food
retention; 2. To descend qi and resolve phlegm.
Indications & Combinations:
1. Retention of food manifested as
epigastric and abdominal distension and fullness, acid regurgitation, abdominal
pain, diarrhea and tenesmus. Radish seed (Laifuzi) is used with Hawthorn
fruit (Shanzha), Medicated leaven (Shenqu) and Tangerine peel (Chenpi) in the
formula Baohe Wan.
2. Excessive phlegm manifested as cough with
profuse sputum or asthma. Radish seed (Laifuzi) is used with White mustard
seed (Baijiezi) and Perilla seed (Suzi) in the formula Sanzi Yangqing Tang.
Dosage: 6-10
g, decocted in water for an oral dose.
Cautions &
Contraindications: Use with caution in patients
with Deficient Qi.
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