C.Bio Lab: Nutrient Analysis

Know each molecule being tested

what agent/solution tests for it

examples of each molecule and ratio of elements

examples of types of food that fall into each category


Carbohydrate

  1. Benedict’s Solution

  2. Monosaccaride: Glucose, fructose, and galactose

  3. Carbon, Hydrogen, and Oxygen in a 1:2:1 ratio

  4. fruits, berries, root vegetables

Starch

  1. iodine-potassium iodide

  2. Polysaccaride

  3. Carbon, Hydrogen, and Oxygen in a 1:2:1 ratio

  4. corn, potato, rice

Lipids

  1. Sudan IV

  2. Three fatty acid and one glycerol molecules

  3. Carbon, hydrogen, and oxygen

  4. sunflower oil and butter

Protein

  1. Biuret test

  2. amino acid

  3. Carbon, hydrogen, oxygen, and carbon

  4. Hair, nails, skin

Vitamins

  1. 2,6-dischloroindophenol

  2. organic molecules

  3. Carbon, hydrogen, oxygen primarily (cobalt, sulfur, and nitrogen)

  4. stored in body fat or are present naturally in the body