Indian Mustard Seed

Primarily produced in the Chinese provinces of Anhui, Henan, Sichuan, Shaanxi.

White jie zi: Sub-spherical, 1~1.6mm diameter, seed coat is dark yellow to brownish-yellow; a few are reddish-brown. Using a magnifier, the surface of seed has a slight reticular pattern, with obvious spotted hilum. Enlarged in water, the seed coat peels off and 2 cotyledons can be seen, there is a fold along the main vein, radicle is posited between 2 cotyledons. Dry pieces have no odor, taste like oil, then acrid and spicy. After being crushed and moistened, it produces special strong acrid stench. Yellow jie zi: relatively small, 1~2mm diameter. Externally yellow to brownish-yellow, few are dark reddish-brown. After crushed and watered, it produces special strong acrid odor.

Superior medicinal material is full, even sized, yellow or reddish-brown.

Acrid; warm

Warms the lung, removes phlegm, promotes qi, dissipates stasis, frees channels, relieves pain. Apply to cough due to cold phlegm-retention, chest swelling and pain, phlegm stagnation of channels, joint numbness and pain, phlegm-damp oozing in body, yin furuncle and swelling pain.