3. 7 Different Nutrient needed:
1. Carbohydrate
2. Proteins
3. Fats
4. Vitamins
5. Minerals
6. Fibre
7. Water
4.
5.
6.
7. Chemical test for nutrients
•
Testing for starch
Iodine solution (yellow or light brown)
Positive result (blue – black)
•
Testing for sugar
Benedict Solution (Bright Blue)
Positive result (orange or red)
•
Testing for protein
Biuret soltuion (Blue)
Positive result (Purple, Violet)
•
Testing for Fats
Ethanol solution
Positive result (Milky colour)