EESA10H3 Lecture Notes - Lecture 8: Listeria Monocytogenes, Genetically Modified Food, Botulinum Toxin
17 Apr 2019
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Document Summary
Week 8 foodborne hazards and human health. Foodborne illnesses: food production (use of chemicals, fertilizers, pesticides, transmissible diseases, bacteria, escherichia coli, clostridium botulinum (botulism, salmonella. Listeria monocytogenes (listeriosis: viruses, parasites, non-transmissible diseases, shellfish-associated toxins, color additives, obesity, diabetes, organic food, genetically modified food. Use of chemical fertilizers: 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. Use of chemical pesticides: types of pesticides. Low acute toxicity to people: pyrethroid (pyrethrum-like) insecticides. Low acute toxicity to people: used in some consumer products, herbicides, selective herbicides, kill broad-leaved plants; do not kill plants in grass family (ex: grain crops, turfgrass) In u. s. , mostly men, about half hispanic, half foreign-born: often inadequate protections, facilities, warnings. In lower-income countries; more hazardous pesticides may still be in use. Improper cooking: contaminated cutting boards and kitchen tools.
