VITAMINS AND THEIR DEFICIENCY SYMPTOMS
VITAMINS AND THEIR DEFICIENCY SYMPTOMS
WHAT ARE VITAMINS?
Vitamins are organic food substances required to by man and other animals only in small quantity or amount for normal growth and healthy development of the body.
Inadequacy or lack of any of these vitamins can lead to nutritional deficiency in animals generally.
A typical example of nutritional disease is GOITRE. The goiter is caused as a result of insufficient iodine in diet of man. Goiter is characterized by the swollen of the thyroid gland in the neck.
Vitamins are grouped into two main classes. They are
i. FATS SOLUBLE VITAMINS
These vitamins that are soluble only in FATS. E.g. Vitamins A, D, E and K
These are vitamins that are soluble only in water. Examples are vitamin-B complex and Vitamin C. some members of the vitamin B-complex are vitamins B1 (Thiamine), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic), B6 (Pyridoxine), B12 (Cyano Cobalamine), Folic acid etc.
Sources, functions and deficiency symptoms of some vitamins are outlined below
VITAMINS=======SOURCES======FUNCTIONS=======DEFICIENCY SYMPTOMS
1. VITAMIN A (RETINOL)
SOURCES=========liver, eggs, fish, milk, palm oil and fresh vegetables
FUNCTIONS OF VITAMIN A
i. Vitamin A is required for growth of the body cells and skin
ii. Vitamin A is required for proper vision and maintenance of the eye
DEFICIENCY SYMPTOMS OF VITAMIN A
I. LACK OF VITAMIN A CAUSES NIGHT BLINDNESS
II. LACK OF VITAMIN A REDUCES RESISTANCE TO DISEASES
2. VITAMIN B (thiamine)
SOURCES OF VITAMIN B======Yeast, unpolished rice, milk, beans and palm oil
FUNCTIONS OF VITAMIN B (thiamin)
i. This type of vitamin is required for proper growth
ii. Vitamin B-thiamin is required for proper functioning of heart and nervous system
DEFICIENCY SYMPTOMS OF VITAMIN B THIAMINE
i. Lack of vitamin B thiamin causes beriberi (a condition of loss of appetite, weight and tiredness) and Paralysis
3. VITAMIN B (RIBOFLAVIN)
SOURCES OF VITAMIN B-RIBOFLAVIN====Yeast, soya beans, eggs, milk and green vegetables
FUNCTIONS OF VITAMIN==RIBOFLAVIN
I. Vitamin B riboflavin is required for growth,,
II. Vitamin B riboflavin is required for healthy skin
III. Riboflavin is required for proper functioning of the eyes
IV. Vitamin B Riboflavin is required for the formation of Co-Enzymes involved in ce4llular respiration
Deficiency symptoms of Vitamin B Riboflavin
i. Lack of vitamin B Riboflavin causes slow growth
ii. Lack of vitamin B Riboflavin in the body causes Dermatitis
4. VITAMIN B (NIACIN)
SOURCES OF VITAMIN B NIACIN===yeast, beans milk and palm oil, wine, yam and vegetables
FUNCTIONS OF VITAMIN B NIACIN
i. Vitamin B Niacin is needed for cellular respiration
DEFICIENCY SYMPTOMS OF VITAMIN B NIACIN
I. LACK OF VITAMIN B NIACIN IN THE BODY CAUSES PELLAGRA, WHICH IS A TYPE OF SKIN AND DIGESTIVE PROBLEM
5. VITAMIN B (CYNACOBALAMIN)
SOURCES OF VITAMIN B-Cyna Cobalamine===kidney, liver, fish and milk
FUNCTIONS OF VITAMIN B CYNACOBALAMINE
I. This type of vitamin B is used for the production red blood cells
DEFICIENCY SYMPTOMS OF VITAMIN B CYNA COBALAMINE
I. LACK OF VITAMIN B Cyna Cobalamine in the body causes Pernicious anaemia.
6. VITAMIN C (ASCORBIC ACID)
SOURCES OF VITAMIN C====fresh fruits, and green vegetables
FUNCTIONS OF VITAMIN C
i. Vitamin C aids wound healing
ii. Vitamin C helps to resist diseases and infections in the body
DEFICIENCY SYMPTOMS OF VITAMIN C
I. Lack of vitamin C in the body causes SCURVEY. This characterized by bleeding gum, poor healing of wounds and low resistance to infections
7. VITAMIN D (Calciferol)
SOURCES OF VITAMIN D CALCIFEROL===fish, milk, egg, liver.
It can also be formed in the skin by sunlight
FUNCTIONS OF VITAMIN D CALCIFEROL
I. Vitamin D is needed for strong bones
II. Vitamin D is essential for teeth formation and development
DEFICIENCY SYMPTOMS OF VITAMIN D
i. Lack of Vitamin D in the body causes Rickets and Osteomalacia
8. VITAMIN E (Egosterol)
SORCES OF VITAMIN E=====gree3n vegetables, egg, butter and liver
FUNCTIONS OF VITAMIN E
i. Vitamin E promotes fertility in animals
DEFICIENCY SYMPTOMS OF VITAMIN E
I. Lack of Vitamin E in the body leads to reproductive failures
II. Lack of vitamin E can also cause pre-mature abortion and sterility
9. VITAMIN K (PHYLLOQUINONE)
SOURCES OF VITAMIN K=====FRESH GREEN VEGETABLES, LIKE CABBAGE AND SPINACH
FUNCTIONS OF VITAMIN K
i. Vitamin K aids in blood clotting
DEFICIENCY SYMPTOMS OF VITAMIN K
i. Lack of Vitamin in the body causes haemorrhages
ii. In ability of the blood to clot in time
You can read some of most interesting topics below
HERE YOU WILL FIND EVERY AVAILABLE TOPICS ABOUT AGRICULTURAL SCIENCE AND BIOLOGY. AND THE LINKS TO THEIR VARIOUS SOURCES.
1. DEVELOPMENT OF AGRICULTURE
2. IMPORTANCE OF AGRICULTURE
3. SUBSISTENCE AGRICULTURE
4. COMMERCIAL AGRICULTURE
5. PROBLEM OF AGRICULTURAL DEVELOPMENT
6. SOLUTIONS TO POOR AGRICULTURAL DEVELOPMENT
7. AGRICULTURAL LAWS AND REFORMS
8. ROLES OF GOVERNMENT IN AGRICULTURAL DEVELOPMENT
9. AGRICULTURAL POLICIES
10. PROGRAM PLANNING IN AGRICULTURE
34. FORESTRY
35. WILDLIFE CONSERVATION