CHEM 181 Study Guide - Comprehensive Final Exam Guide - Protein, Fat, Oxygen

• School: McGill University
• Department: Chemistry
• Course: CHEM 181
• Professor: David Noble Harpp

Document Summary

Vitamins: nutrients needed in small amount to prevent deficiency diseases, a balanced diet contains all the vitamins in the required amounts, 13 vitamins. Water soluble: b1, b2, b3, b5, b6, b7, b9, b12, c. History of vitamins: francois magendie: french physiologist, did simple experiments. Took a dog of three years old and fed it nothing but sugar: died after 32 days. Idea was to find something to feed to people who were not very well nourished who were very poor. Bone broth: cheap, readily available, easy to make. Today we know: gelatin leeches out of the bones. Investigated whether or don"t it can sustain life: gelatin alone cannot sustain life, low in vitamins. Dr. christian eijkman: beriberi interested him, dutch physician, at a time where germs were being talked about by louis pasteur. Injected chickens with blood from human beriberi patients to see whether they would also get the disease.