Mustard Seed is the ripe seed of Sinapis alba L. of Brassica juncea (L.) Czern. et Coss. (Fam. Cruciferae). The former is known as "Bai Jiezi " ( Semen Sinapis Albae ). The latter is known as "HuangJiezi"
(Semen Brassicae Junceae).

Action: To relieve dyspnea and cough by eliminating cold-phlegm,to reduce nodulation,and to relievepain by removing the obstruction of collaterals.

Indications: Epigastric pain accompanied by cold sensation, vomiting and diarrhea; abdominal pain due to intestinal parasitosis; ascariasis.External use for itching in eczema.

Dosage: For external use,appropriate quantity to be decocted for washing.