Required Practical 4: Define: Qualitative Amylase (carbohydrase) Name of digestive enzyme Molecule it breaks down into what? Where it is produced: Where it works Amylase (carbohydrase) Proteins  Amino Acids Small intestine Define: Qualitative Quantitative 6 5 How to prepare a food sample: Required Practical 4: Using qualitative reagents to test for carbohydrates, proteins and lipids. How to test for lipids: 8 5 Safety Precautions: 6 Name of test Testing for the presence of: Summary of method Positive result (from start  end) Biuret Sugars The solution will change from orange/brown to blue / black.