In Coto-bark, name of an officinal bark, obtained from Bolivia, and used to control diarrhœa and excessive perspiration (Syd. Soc. Lex.).
Hence Cotoin (Chem.), a fragrant balsamic substance in yellowish white crystals, obtained from coto-bark.
1879. Watts, Dict. Chem., VIII. 573. Experiments … have shown that the active principles of coto-bark are not always the same, some samples yielding, not cotoin, but other bodies having similar but weaker medicinal properties.
