EESA10H3 Lecture Notes - Lecture 8: Dysphagia, Monsanto, Garlic
20 Apr 2018
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Bacteria: escherichia coli, clostridium botulinum (botulism) ( , salmonella , listeria monocytogenes (listeriosis) ( ) Shellfish-associated toxins color additives obesity diabetes. Use of chemical pesticides: extensive use of nitrate fertilizers. Nitrites in groundwater: direct human health effect. Nitrites in water change hemoglobin to form that cannot carry oxygen. Causes methemoglobinemia (blue baby syndrome) in young infants: pesticide = chemical used to kill pests. Not a biological category but rather a cultural one: types of pesticides. Insecticides : inorganic compounds , pyrethrum (from chrysanthemum plant) ( , organochlorine insecticides. Many banned in more developed countries; stockholm convention: organophosphate insecticides . Acute toxicity to people varies widely: carbamate insecticides . Low acute toxicity to people: pyrethroid (pyrethrum-like) insecticides . Kill broad-leaved plants; do not kill plants in grass family (e. g. , grain crops, turf grass) In military context, used to kill large plants that provide cover to enemy combatants: non selective herbicides. Rodenticides often anticoagulant bait: limitations of pesticides.
