This section is from the book "The Volatile Oils Vol2", by E. Gildemeister. Also available from Amazon: The Volatile Oils.
12 kilos of the wild jaborandi, Ottonia Anisum, Spreng. (O. Jaborandi,Vell.; Serronia Jaborandi, Guill., family Piperaceae) yielded 10,54 g. (=0,088 p.c.) of a viscid, volatile oil with a sp.gr. of 1,0356. It possesses a peculiar, somewhat pepper-like odor and a strongly burning, benumbing taste2).
 
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