Name: ____________________________
Class: ____________________________
Identifying Macromolecules in Food Data Collection Sheet
Part I: Testing of Carbohydrates, Proteins, and Lipids
Testing for
presence of:
Reagent test:
Protein
Biuret Solution
Simple Sugar
Benedict’s Solution
Starch
Lugol’s Iodine
Lipid
Sudan IV
Original color:
Color change if
macromolecule is
present:
Comments: _________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
Part II: Testing of Food
Protein:
Food substance:
Color of solution:
Positive result (Yes/No):
Potatoes
Orange Juice
Nuts
Eggs
Salmon
Milk
Comments: _________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
Simple Sugars:
Food substance:
Color of solution:
Positive result (Yes/No):
Potatoes
Orange Juice
Nuts
Eggs
Salmon
Milk
Comments: _________________________________________________________________
___________________________________________________________________________
Starch:
Food substance:
Color of solution:
Positive result (Yes/No):
Potatoes
Orange Juice
Nuts
Eggs
Salmon
Milk
Comments: _________________________________________________________________
___________________________________________________________________________
Lipids:
Food substance:
Color of solution:
Positive result (Yes/No):
Potatoes
Orange Juice
Nuts
Eggs
Salmon
Milk
Comments: _________________________________________________________________
___________________________________________________________________________