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29 Cards in this Set
- Front
- Back
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Organic substances that dissolve in lipids and are vital to health.
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Fat soluble vitamins
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Vitamins ADEK
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4 Fat soluble vitamins
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Absorption of fat soluble vitamins take place in the ____ with the aid of lipids and bile
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Small intestines
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group of compounds called retenoids
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Vitamin A
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body can synthesize vitamin A from beta carotene
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Pro-vitamin A retinoid
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body cannot make vitamin A from these lycopene, xeoxanthine, lutein
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Non provitamin A carotenoids
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considered phytochemicals
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non provitamin A carotenoids
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functions may be related to antioxidants properties
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non provitamin A carotenoids
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Carotenoids are stored in the _____ if not used
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liver
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carotenoids are packaged into
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VLDL
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Vitamin A transported by:
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Retinol binding protein & transthyretin
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Functions of vitamin A
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cell differentiation and vision
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-needed for cell reproduction
- during embryonic growth, vitamin A assists in differentiation & maturation of tissues and organs |
Cell Differentiation
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Inadequates amounts of retinal to re-form rhodopsin
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night blindness
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-decreased breast cancer
-decreased risk of macular degeneration |
Lutein
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decreased prostate cancer
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Lycopene
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carrots, sweet potatoes
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beta-carotene
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tomatos, pink grapefruit, apricots, watermelon
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Lycopene
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dark green leafy veggies
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Lutein
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Vitamin A deficiency
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night blindness, hyperkeratosis
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vitamin A toxicity
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Cancer, birth defects
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Functions of Vitamin D
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-regulation of blood Calcium regulation
-cell differentiation |
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Vitamin D deficiency in children
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rickets
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vitamin D deficiency in adults
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osteomalacia, osteoporosis
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softening of the bones due to defective bone mineralization
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Osteomalacia
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bone mineral density (BMD) is reduced
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Osteoporosis
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Vitamin D toxicity
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-calcium in tissues
-bone loss -neurological, muscular -death |
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Most active form of Vitamin E
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alpha tocopherol
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excess vitamin E stored in:
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adipose tissue
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