<Li> tube or bamboo curare (so named because of its packing into hollow bamboo tubes; main toxin is D - tubocurarine). </Li> <Li> pot curare (originally packed in terra cotta pots; main alkaloid components are protocurarine, protocurine, and protocuridine). Protocurarine is the active ingredient; protocurine is only weakly toxic, and protocuridine is not toxic . </Li> <Li> calabash or gourd curare (originally packed into hollow gourds; main toxin is C - curarine I). </Li> <P> Of these three types, some formulas belonging to the tube curare are the most toxic, relative to their LD values . </P>

Symptoms in someone exposed to botulism and curare