Question

a) List any four nutritional contribution of fruits and vegetables. 

b) What is the effect of acidic medium on chlorophyll, betalains, flavones and anthocyanin? 

c) Why is garlic broken just before its use?

Answer 1

a)Four nutritional contribution of fruits and vegetables are- 

• Provide vitamins and minerals 
• Good source of antioxidants and phytochemicals 
• Provides soluble and insoluble dietary fibre 
• Low in fat

b) Effect of acidic medium on

Chlorophyll –Turns yellow 

Betalains-Retains the colour 

Flavones –Retains white colour 

Anthocyanin-Turns red

c) Garlic is broken just before its use

As it tend to dry up once broken