ultratrace minerals Flashcards
What are major functions of Se?
- cofactor for glutathione peroxidase
- T4 ->T3 conversion
Glutathione peroxidase is found in what 3 places?
plasma, cytoplasm, mitochondria of cells
Whats a good source of Se?
brazil nuts
Se deficiency can lead to what 2 diseases?
Keshans- cardiomyopathy in children/ women
Kashin-Becks- osteoarthritis
Whats Se toxicity called?
Selenosis
What are symptoms of Selenosis?
hair/nail brittleness, tooth decay
Whats the function of Cr?
insulin secretion/ binding
Symptoms of Cr deficiency?
- insulin resistance
- increase FFA in blood
Symptoms of toxicity of Cr?
(thru supplementation) skin lesions, cancer
What are good sources of Cr?
yeast , oysters, potatoes
What % of Cr is absorbed?
Whats the major function of I?
thyroid hormones (t4 and t3)
What are good sources of I?
seafood, iodized salt
What are symptoms with I deficiency?
goiter, cretinism
Proteins in food that bind iodine, prohibiting absorption are called what?
Goitrogens