Food Science Vitamin Deficiencies – what are the problems?

RDA Recommended Daily Allowance –How much you need each day If you don’t get RDA –Vitamin deficiency Effects on health Diseases –Depends on the vitamin

What is meant by RDA?

Vitamin Deficiencies Vitamin A Vitamin B Research vitamin deficiency Find out –Symptoms –Why the symptoms occur –Ways to increase intake 4 slide powerpoint presentation Vitamin C Vitamin D

Vitamin A Deficiency Healthy eyesight and mucous membranes Deficiency: –Drying of membranes –Increase in infections –Also poor night vision –Eventual blindness Increase intake – raw carrot

Vitamin B Deficiency Normally release energy and nerve function Deficiency: –Mouth sores –Degeneration of nerve cells –Anaemia – needed for red blood cells Increase intake – handful of nuts

Vitamin C Deficiency Normally for healthy immune system and skin Deficiency: –Soft and bleeding gums –Bruising and nosebleeds –Needed to form healthy blood vessels –Scurvy Increase intake – glass of fruit juice

Vitamin D Deficiency Normally for healthy teeth and bones Deficiency: –Weak teeth –Softened bones –Deformed bones - Rickets Increase intake – cereal (fortified) with milk

Explain the scientific reason for the old wives tale that “Carrots help you see in the dark”.