The Processing of Radix Stemonae

Origin

The dry root tuber of perennial herbaceous plant Stemona sessili folia (Miq.) Miq., Stemona japonica (BI.) Miq. or Stemona tuberosa Lour. of family Stemonaceae.

Location

East China, middle south and south China.

Harvest

Collected in spring or autumn, removed fibrous root, cleaned, blanched in boiling water slightly or steamed deeply.

The actual smell and taste

Light smell; Stemona sessili folia (Miq.) Miq. have bitter and sweet taste, while Stemona japonica (BI.) Miq, and Stemona tuberosa Lour. have bitter taste.

Best quality

Robust, moist, firm and white.

Processing

Dried in the sun; sliced, unprocessed or stir-baked with honey.