NFS 4271 Study Guide - Midterm Guide: Silicosis, Methionine, Peanut Butter

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17 Sep 2017
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Unlike, copper, chromium, iodine, molybdenum, and selenium, these ultratrace minerals do not have an established essentiality and adequate intake or recommended. Daily allowance set by the food and nutrition board, although some evidence suggests a possible need. Fluoride: explain why a sirloin steak bought in one part of the country contains relatively high amounts of fluoride whereas a sirloin steak bought in another part of the country has a very small amount of the mineral. The amount of naturally occurring fluoride and the amount of fluoride added to water varies across the country. Fluoridation of water is recommended by officials in amounts of 0. 7 to 1. 2 mg of fluoride per liter. Sodium fluorosilicate is typically added to water, while sodium fluoride or monofluorophosphate is used in toothpastes or tablets: explain the roles of fluoride in teeth and bones. Fluoride found in bone is typically in its amorphous or crystalline state.