Session One (1.3.1): Carbohydrates
Introduction
Carbohydrates are substances that include sugars, starch and cellulose. They contain carbon, hydrogen and oxygen. When using the links and downloads in this session, you should focus on carbohydrates only.
Reading
Read through and make notes on pages 31-34 of your coursebook.
Links
Now work through the following resources:
WATCH – Food Tests Practicals (YouTube) Links to an external site.
Skills
You need to be able to describe and explain the following biochemical tests: Iodine Test (starch) and Benedict’s test (reducing sugars).
Review pages 33-36 of your coursebook and watch the sections of the food tests video above that relate to carbohydrates.
Download
Download and read through this PowerPoint:
EXPLORE – Food Types, Deficiencies and Food Tests (PPT) Download EXPLORE – Food Types, Deficiencies and Food Tests (PPT)
Activity
Answer the questions on pages 31-34.
Create flash cards for the key words on these pages.
Review
Complete the Questions on Carbohydrates on pages 38-39. Check your answers.