Laboratory work №3: Study of the presence of proteins, fats, carbohydrates in food
In this work, students will learn to determine the presence of carbs,fats and proteins in the composition of food.
Lesson 1:
- bread and potato slices
- starch
- iodine solution
- water
- beaker
- pipette
- spoon
- Petri dishes -2 pcs
Lesson 2:
- Water
- Food (slice of bread, nuts, vegetable oil)
- Mortar and pestle - 2 pcs
- Filter paper
- Cotton buds
Lesson 3:
- Egg white
- Milk
- Test tube - 2 pcs
- test tube rack
- beaker - 4 pcs
- pipette or syringe - 4 pcs
- rubber gloves
- Chemical agents:
- Copper sulfate (CuSO4)
- Caustic soda (NaOH)
