FDST 100 Lecture 6: FDSTVitamins&Minerals

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8 Feb 2017
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Lecture 6
Vitamins
A vital nutrient that an organism requires in limited amounts
Coes fro vital ad aie, eaig the aie of life
Needed in limited amounts to sustain life and prevent certain diseases
Identified by their biochemical activity, not their chemical structure
Have diverse biochemical functions
Hormone- like functions (Vitamin D)
Antioxidants (Vitamin E and C)
Enzyme cofactors or coenzymes (B complex vitamins)
Can be categorized as fat- soluble (4) and water-soluble (9)
Fat-Soluble Vitamins
Vitamin A
o Vision, infection resistance
o Only found in animals, some foods do contain carotene
o Formed by the consumed yellow pigments
o Deficiency
Bone formation
Vision, specifically at night
Epithelial tissues
Teeth enamel
Vitamin D
o Normal tooth and bone development
o Can make by converting sterols and UV light
o Deficiency
Rickets (bone development issues/ muscle weakness)
Tooth decay
Vitamin E
o Four forms
Alpha-tocopherol
Antioxidant against polyunsaturated fatty acids
o Deficiency
Muscle weakness
Visual-field construction (blindness)
dementia
Vitamin K
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