Protopine

Japanese: protopine
Protopine

…In winter, the stems and leaves die and the plant overwinter on the stump. The roots contain the alkaloid protopine, and the plant is also used as a medicinal plant. It is best grown in a well-drained, moist area, and can grow in partial shade, but flowers grow better in sunny areas. …

From [Bamboo grass]

…The plant is powdery white in color, and when cut, an orange-yellow juice oozes out. This juice contains alkaloids, mainly protopine, and is poisonous. The leaves grow alternately and are large, reaching a length of 30 cm.

From [Purple Corydalis]

…The seeds have appendages (caruncle) that are popular with ants, and are dispersed by them. The whole plant contains alkaloids such as protopine and is poisonous. In China, it is used as an insecticide or for external use for ringworm, etc. …

*Some of the terminology explanations that mention "protopine" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…冬は茎葉は枯れ,根株で越冬をする。根にはアルカロイドのプロトピンprotopineなどを含み,薬用植物としても扱われる。栽培は排水よく保湿性のある所が適し,半陰地でも育つが,日当りのよい所の方が花つきもよい。…

【タケニグサ】より

…全体に粉白を帯び,切ると橙黄色の汁が浸出する。この汁はプロトピンprotopineを主とするアルカロイドを含み,有毒。葉は互生し,大型で長さ30cmになる。…

【ムラサキケマン】より

…種子にはアリの好む付属体(カルンクル)があり,アリにより散布される。全草にプロトピンprotopineなどのアルカロイドを含み,有毒。中国では,殺虫剤あるいはタムシなどの外用薬として用いる。…

※「protopine」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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