Food Science Vitamin Deficiencies – what are the problems?

Learning objectives Understand how vitamin deficiencies can effect your health Understand how vitamin deficiencies can effect your health Be able to use ICT to present your research Be able to use ICT to present your research

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

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

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

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

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

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

Learning objectives How can vitamin deficiencies effect the body How can vitamin deficiencies effect the body Explain the scientific reason for the old wives tale that “Carrots help you see in the dark” Explain the scientific reason for the old wives tale that “Carrots help you see in the dark”