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Molybdenum Rod
Molybdenum in Biology: |
| Molybdenum is an essential trace mineral in human and animal nutrition. Molybdenum can be found in several tissues in the human body and is required by some enzymes in the catabolism of sulfur amino acids and purines. The average adult body contains about 9 mg of molybdenum with the highest concentrations being in the liver, kidneys, skin and bone. Molybdenum is reasonably scarce in the Earths crust, being only three times more abundant than gold. Estimated Crustal Abundance: 1.2 milligrams per kilogram Estimated Oceanic Abundance: 1*10-2 milligrams per liter Molybdenum toxicity in grazing animals (ruminants) can occur when grazing on soil abundant in molybdenum but nutritionally deficient in copper. The excess molybdenum causes the excretion of copper reserves, eventually leading to copper deficiency and early death. Molybdenum deficiency in humans is extremely rare. Though the molybdenum content of plants can vary dependent upon the soil in which they are grown, good sources of dietary molybdenum include: § Lima beans 100g 870 mcg § Small white beans 100g 450 mcg § Yellow split peas 100g 250 mcg § Oats 100g 180 mcg § Green peas 100g 130 mcg § Chili beans 100g 110 mcg § Raisin bran 100g 76 mcg § String beans 100g 60 mcg § Spaghetti 100g 41 mcg § Macaroni 100g 38 mcg § Rice 100g 29 mcg § Bakery sweets 100g 27 mcg § Bread 100g 21 mcg § Cheese 100g 11 mcg § Pineapple 100g 9 mcg § Eggs 100g 9 mcg § Banana 100g 8 mcg § Corn 100g 8 mcg § Spinach 100g 7 mcg § Potatoes 100g 7 mcg § Cabbage 100g 6 mcg § Chicken 100g 5 mcg § Milk 100g 5 mcg § Bean sprouts 100g 5 mcg There is no RDA for molybdenum. The estimated safe and adequate intake is 75 to 250 mcg per day. |
| addtime:2008-9-18 17:37:34 print |
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