- ^ "Foodborne Pathogenic Microorganisms and Natural Toxins Handbook: Phytohaemagglutinin". Bad Bug Book. United States Food and Drug Administration. Retrieved 2009-07-11.
| ... some kinds of raw beans, especially red and kidney beans, contain a harmful toxin (lectin phytohaemagglutinin) that must be destroyed by cooking? A recommended method is to boil the beans for at least ten minutes; undercooked beans may be more toxic than raw beans.[1] |
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