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BCH 445Biochemistry of nutrition
Dr. Mohamed Saad Daoud
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Vitamins
Vitamins:
• Organic, essential nutrients required in small amounts by
the body for health.
• Vitamins regulate body processes that support growth,
maintain life and prevent diseases.
• vita = life
• amine = containing nitrogen (the first vitamins discovered
contained nitrogen)
• Vitamins must be supplied by the food.
1Dr. MOHAMED SAAD DAOUD BCH 445
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Water-Soluble and Fat-Soluble Vitamins
Water-soluble vitamins Fat-Soluble Vitamins
B vitamins: Vitamin A
Thiamin (B1) Vitamin D
Riboflavin (B2) Vitamin E
Niacin (B3) Vitamin K
Pantothenic acid (B5)
pyridoxine, pyridoxal, pyridoxamine (B6)
Biotin (B7)
Folate (B9)
Cobalamins (B12)
Vitamin C
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Water-Soluble and Fat-Soluble Vitamins Compared
4Dr. MOHAMED SAAD DAOUD BCH 445
Water-Soluble vitamins
B vitamins: Thiamin
Riboflavin
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Niacin
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Biotin
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Pantothenic acid
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Vitamin B6
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Folate
Vitamin B12
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Fat-Soluble vitamins
Vitamin A:
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Vitamin D
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Vitamin E
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Vitamin K
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