Protein in Food

Objectives

• Show knowledge and understanding of the structure and properties of protein
• Show knowledge and understanding of how protein tests work

Theory Presentations/Assessment - Protein in Food

• What is Protein?
• Amino Acids
• Peptide Bonds
• Polypeptides and Proteins
• Protein Structure
• Protein Properties
• Protein Classification
• Importance of Protein in Food
• Sources of Protein
• Testing Foods for Protein: The Biuret Test
• How the Protein Test Works
• Positive and Negative Results
• What Can Go Wrong?
• Regulating Foods
• Allergy Information
• Summary

Activity - Identification of Protein in Food

• Students carry out the Biuret test on some food samples. Distilled water and protein suspension are used as controls.