Kofan Indians

As is evident from the above formulas, besides the essential components, a variety of other plants may be added during the preparation of the poison. Material of species from well over 60 genera are known to have been included as ingredients in curare formulations the Kofan Indians of Colombia/ Ecuador, for example, have utilized more than 75 species in making their various arrow and dart poisons (172). These plant additives, many of which are not known to contain any obviously toxic substances, may be included for a variety of reasons to thicken or harden the extract and enable it to adhere to the dart or arrow or to reinforce the effects of the poison or for... 

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