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BCH 445Biochemistry of nutrition

Dr. Mohamed Saad Daoud

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.

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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

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4Dr. MOHAMED SAAD DAOUD BCH 445

Water-Soluble vitamins

B vitamins: Thiamin

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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

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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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