出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/07/01 18:45 UTC 版)
Croton oil (Crotonis Oleum) is an oil prepared from the seeds of Croton tiglium, a tree belonging to the natural order Euphorbiales and family Euphorbiaceae, and native or cultivated in India and the Malay Archipelago. Small doses taken internally cause diarrhea. Externally, the oil can cause irritation and swelling. In traditional Chinese medicine it is used as an ingredient in some liniments.