The present investigation was undertaken in order to evaluate the cytotoxic effect of two D-galactose-binding lectins using the brine shrimp lethality bioassay technique. Both lectins were purified from the marine invertebrates, sea hare Aplysia kurodai eggs and polychaete Perineries nuntia by conventional affinity chromatography methods. The molecular mass of Aplysia kurodai egg lectin (AKL) w...