Hyoscyamus racemosus

Hyoscyamus racemosus

(commonly used Chinese herbal medicine in Tibet)

[synonym] Shanyan, tanggute anisodamine (commonly used Chinese herbal medicine in Tibet).

[source] it is the root of the solanaceous plant Hyoscyamus.

[plant morphology] Hyoscyamus racemosus

Perennial herbs, 60-150 cm high. The root is thick and thick. The stem is stout and branched. Leaves alternate, petiolate, ovate to oblong, entire or undulate, pale green above and grayish green below. Flowers solitary in leaf axils, pendulous; calyx bell shaped, enlarged when fruiting, with 10 strong longitudinal ribs; corolla bell shaped, purple. Capsule subglobose, enclosed by persistent calyx. The seeds are numerous.

Born in the mountains, roadsides, villages. It is distributed in Tibet, Qinghai and Sichuan.

[collection] root digging, washing, slicing and drying from September to November.

[chemical constituents] the root contains amantadine, erythrocoumarin, atropine and a small amount of scopolamine, naladine, tropine and scopolamine.

The stems and leaves contain amantadine. The stem, leaf and seed contained scopolamine, atropine and coumarin.

Bitter, warm and poisonous.

[function indications] spasmolysis and pain relief. Treatment of stomach pain, biliary colic, acute and chronic gastroenteritis.

[usage and dosage] oral administration: decoction, 1-3 minutes.

[should avoid] heart disease, heart weakness should not take.

[remark] patients with toxic symptoms such as dry mouth, flushed cheeks, rapid heartbeat, mydriasis and coma after taking excessive scopolamine should be given early gastric lavage, loess clear liquid or cold gruel, and pilocarpine injection, infusion and other symptomatic treatment. (the following is the common Chinese herbal medicine in Tibet.)