Table 1.

Characteristics of selected arrow poisons and toxins.

Compound	Source	Effect	LD50, μg/kg	Mr (Relative Molecular Mass)
Tubocurarine	Chondrodendron spp.	Myorelaxant	130 (mouse, i.v.) [4]	609.7
Ouabain	Strophanthus spp.	Cardioactive glycoside	110 (cat, i.v.) [5]	584.7
Antiarin	Antiaris toxicaria	Cardioactive glycoside	120 (mouse, i.v.) [6]	566.6
Aconitine	Aconitum spp.	Interaction with Na-channels	110 (rat, i.v.) [7]	645.7
Botulinum toxin	Clostridium botulinum	Acetylcholine blockade	0.001 (mouse, i.v.) [8]	150 000
Ricin	Ricinus communis	Inhibition of protein synthesis	3 (mouse, i.p.) [9]	62 000
Saxitoxin (STX)	Dinoflagellata	Blockade of Na-channels	10 (mouse, i.p.) [10]	299.1