Hyoscyamine

Japanese: hyoscyamine

… [Kazuo Furusato]
[Medicinal]
The leaves of Datura stramonium are called Datura leaves or Mandara leaves (both in English are called stramonium) in herbal medicine. The leaves and seeds contain the alkaloid hyoscyamine, which is used as an analgesic, antispasmodic and antitussive drug, and are also used as a raw material for alkaloid extraction. The flowers of Datura stramonium or D. inoxia Mill. are called "Yokinka" and the seeds are called "Mandara-shi".

From [Hashiridokoro]

…The rhizome is the herbal medicine Scopolia root, which is used as a Japanese substitute for belladonna. The poisonous components are multiple alkaloids, including hyoscyamine and scopolamine, and are used to manufacture Scopolia extract and atropine (a racemic form of hyoscyamine), which are used for stomach pain, stomach cramps, duodenal ulcers, etc. Seven species of the Scopolia genus are known to exist in Europe, the Himalayas, and East Asia, and all of them are poisonous plants. …

From [Hemp]

...A biennial plant of the Solanaceae family famous for containing the highly toxic alkaloid hyoscyamine. It is widely distributed from Europe to Siberia, China, and the Himalayas. It does not grow naturally in Japan, but is often cultivated for medicinal purposes. The stem is about 1m tall, and has dense glandular hairs along with the leaves, making it sticky and sticky. The leaves are alternate, broadly ovate with shallow notches, and 15-30cm long. The flowers bloom around July, and the corolla is bell-shaped with five lobes at the end. The lobes open flat, have rounded tips, and are yellow with pale purple stripes. ...

From Belladonna

…When ripe, it turns black-purple. Its alkaloid components, hyoscyamine and atropine, are used as analgesics and hypnotics. It is native to the arid regions of southwestern Europe and Western Asia. …

*Some of the terminology that mentions "hyoscyamine" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…【古里和夫】
［薬用］
　ヨウシュチョウセンアサガオの葉を，生薬ではダツラ葉あるいはマンダラ葉(ともに英名はstramonium)という。葉と種子にアルカロイドのヒヨスチアミンhyoscyamineを含み，鎮痛，鎮痙（ちんけい），鎮咳（ちんがい）薬とし，またアルカロイド抽出原料とする。チョウセンアサガオやD.inoxia Mill.の花を洋金花（ようきんか），種子を曼陀羅子（まんだらし）という。…

【ハシリドコロ】より

…根茎は生薬のロート根（こん）となり，ベラドンナの日本産代用品とする。有毒成分は複数のアルカロイドで，ヒヨスチアミンhyoscyamine，スコポラミンscopolamineなどを含み，胃痛，胃痙攣（いけいれん），十二指腸潰瘍などに用いられるロートエキスやアトロピンatropine(ヒヨスチアミンのラセミ体)の製造原料とする。　ハシリドコロ属はヨーロッパ，ヒマラヤ，東アジアに7種が知られ，すべて有毒植物である。…

【ヒヨス】より

…ヒヨスチアミンhyosciamineという毒性の強いアルカロイドを含むことで有名なナス科の二年草。ヨーロッパからシベリア，中国，ヒマラヤにかけて広く分布する。日本には自生しないが，薬用のためにしばしば栽培される。　茎は高さ1m内外で，葉とともに密に腺毛があり，べたべたと粘る。葉は互生し，広卵形で浅い欠刻があり，長さ15～30cm。花は7月ごろに咲き，花冠は鐘形で先は5裂する。裂片は平開し，先は円く，黄色に淡紫色の条がある。…