CHEM 181 Lecture Notes - Lecture 2: Frederick Gowland Hopkins, Pellagra, Vitamin B12 Deficiency

• School: McGill University
• Department: Chemistry
• Course: CHEM 181
• Professor: Joe Schwarcz

Document Summary

These are needed in small quantities in order to prevent vitamin deficiency which could lead to an assortment of health complications/diseases. A balanced diet contains all the vitamins in the required amounts. Water soluble: b (b1, b2, b3, b5, b6, b9, b12), c: 13 vitamins. Grijns discovered that beriberi was actually caused by a nutritional deficiency: this made sense because the diet of those who suffered from beriberi mostly ate white rice. In prisons, only 1/10 000 prisoners died because they mostly served brown rice: 1/39 developed beriberi in prisons that served white rice. Casimir funk: isolated vitamin b1 from brown rice vital amine: he thought the name was catchy, even though they"re not all amines. Goldberger (epidemiologist): his job was to track the route of pellagra. Conrad elvehjem: isolated a compound in food we know as niacin (vit. Pellagra: the disease that is associated with the 4 d"s: dermatitis, diarrhea, dementia, and death.