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Tag: Toxic seeds

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The Poison in the Seed: Which part of castor is poisonous?

3 min read
Ricin, a potent protein toxin derived from the castor bean plant, is listed as a potential bioterrorism agent by the CDC. While the plant is cultivated globally for its versatile oil, its shiny, mottled seeds contain a highly poisonous substance, leading to the crucial question: Which part of castor is poisonous? The danger is primarily concentrated in the seeds, which contain the lethal ricin toxin.