BIOC65H3 Lecture 3: BIOC65 lecture 3- fall 2016
22 Sep 2016
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Document Summary
Lessons from coffee and tea-pharmacological effects of caffeine and. Catechins: neurology, vasculature, sugar and fat metabolism; introduction of inflammation. Anything in he universe can be toxic for you according to the dose. Organic does not mean it is not toxic. Reminder what ld50 is: a dose of a chemical that kills 50% of a population. This value comes from experiments on animals not humans, but they are very close to humans. Botulin tocin the most toxic substance on earth. Even though it is organic (produced by bacteria) 1 nanogram can be lethal. Tetrodotoxin (from puffer fish) one called dust toxin. Zombie toxin caffeine=toxin when you consume about 300 cups. You will get all symptoms of caffeine before you reach the toxicity of the chemical. Theophrastus bombastus von hohenheim: dosis facit venemum (only dose makes the venom) Coffee: very common and we don"t think about in toxicologically. It still can teach a lot about toxicology.
