الثلاثاء، ديسمبر 24، 2013

Vitamin

name
source
deficiency
Daily requirement
Vitamin A
In animal tissue, milk, butter, cream, cheese, egg yolk
cis-retinal
Children=400-600 microgram/day.
Men = 750-1000 microgram/day.
Women = 750 microgram/day.
Pregnancy = 1000 microgram/day
Vitamin D (Cholecalciferol)
Exposure to sunlight
allergies
Children = 10 microgram (400 IU/day).
Adults = 5 to 10 microgram (200 IU/day).
Pregnancy, lactation = 10 microgram IU/day.
Senior citizens above the age of 60 = 600 IU/day.
Vitamin E
Vegetable
Spinocerebellar ataxia and myopathies
ترنح النخاعي المخيخي والاعتلالات العضلية
Males 10 mg/day.
Females 8 mg/day.
Pregnancy 10 mg/day.
Lactation 12 mg/day.
The requirement increases with higher intake of PUFA.
Pharmacological dose is 200-400 IU/day
Vitamin K
Green leafy vegetables
Bile duct
Recommended daily allowance is 50-100 microgram/day.
This is usually available in a normal diet
Ascorbic acid (vitamin C)
lemon and green leafy vegetables

Recommended daily allowance (RDA) is 75 mg/day (equal to 50 ml orange juice).
During pregnancy, lactation, and in aged people requirement may be 100 mg/day.
Thiamine (vitamin B1)
whole wheat flour and unpolished rice
Beriberi
Requirement is 1-1.5 mg/day
Riboflavin (vitamin B2)
liver, dried yeast, egg and whole milk
Glossitis
التهاب اللسان
Adults on sedentary work require about 1.5 mg per day.
During pregnancy, lactation and old age, additional 0.2 to 0.4 mg/day are required.
Niacin
The richest natural sources of niacin are dried yeast, rice polishing, liver
anemia is common
Adults need 1 to 2 mg/day.
During pregnancy and lactation, the requirement is increased 2.5 mg/day
Folic acid
folate are yeast, green leafy vegetables

The requirement of free folate is 200 microgram/day. In pregnancy, the requirement is increased to 400 microgram/day and during lactation to 300 microgram/day.

Vitamin B12
Liver
Megaloblastic anemia
Normal daily requirement is 1-2 microgram/day. During pregnancy and lactation, this is increased to 2 microgram/day.





Best Wishes: Dr.Ehab Aboueladab, Tel:+201007834123,Email:ehab10f@gmail.com

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