Aim:
To find out if there is Simple Sugars, Complex Sugars and Protein in a cheeseburger.
Equipment:
Test Tube, Food Sample & Iodine Solution, Bunsen Burner, Test Tube Tongs, Benedicts Solution & A Sample Of Food, Sodium Hydroxide, Copper Sulfate.
Method:
Protein :
1. Place 2mL of the sample into a test tube and add 5 drops of sodium hydroxide.
2. Add 5 drops of copper sulfate.
3. Shake the test tube gently from side to side.
Simple Sugars :
1. Place about 2mL of the sample into a test tube and then add 5 drops of Benedicts Solution.
2. Heat with a Bunsen until it changes color. Do not boil
Complex Sugars / Iodine :
1. Place about 2mL of the sample in the test tube.
2. Add 3-5 drops of iodine and mix.
Results:
Conclusion:
Complex Sugar - Iodine:
Bun: The bun changed from white to black which determined there were complex sugars present.
Meat: The meat barely changed color and it there was no sugar present because it rarely changed color.
Simple Sugar:
Unfortunately, no experiment was attempted for simple sugars.
Protein:
Bun: The bun remained the same color which indicated no sign of protein.
Meat Pattie: The meat pattie changed it's color to purple intimating signs of protein.