Testing For Nuitrients

Aim: 

To find out if a BK burger has simple sugars, complex sugars, and proteins

Equipment

Test tube
Food samples
Iodine solution
Sodium Hydroxide
Copper sulfate
Benedicts Solution
Bunsen burner
Test tube tongs

Method:

(For complex)

1. Place about 2mL of the sample in a test tube
2. Add 5 drops of the benedicts solution and mix
3. Heat, not boil, over a bunsen burner

(For simple)
1. Place about 2mL of the sample in a test tube
2. Add 3-5 drops of iodine and mix

(For protein)
1. Place about 2 ml 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.

Results:

We didn't end up being able to do the simple sugar test on the pattie but that was the only one we weren't able to do.

Conclusion:

If the test was negative, there was no trace of a certain chemical or nutrient.