Home Module Testing for Carbon Compounds

Testing for Carbon Compounds


Most of the food items consumed by us come from living beings and contain carbon compounds such as protein, carbohydrates and lipids. The presence of carbohydrates (starch) in a food sample can be detected using Lugol’s solution as indicator whereas the presence of proteins in a food sample can be detected using Biuret solution as indicator. On the other hand, the presence of lipids in a food sample can be detected using Sudan red solution as indicator.

Learning objectives

After completing this module, you will be able to:
 - Explain the process of Lugol’s test for carbohydrates.
 - Describe the process of Biuret test for proteins.
 - Explain the process of Sudan red test for lipids.
 - Test food samples for the presence of carbohydrates, proteins and lipids.

Keywords Solutions
Controller Required Yes
Languages English - US , English - UK , 中文 , عربي
Domain K-12
Topic Code HS200335
Devices Google Cardboard , Google Daydream , Samsung Gear VR , Oculus Go , Pico , EduPro