HN 196 Lecture Notes - Lecture 1: Manganese, Riboflavin, Fluid Balance
Document Summary
Nutrition 196: chapter 1 lecture notes (continued 8/25/2015) Vitamins: organic molecules that assist in regulating body processes. Vitamins do not supply energy to the body: fat-soluble vitamins. Toxicity occurs from excess amounts, that accumulate in the body: water-soluble vitamins. Major minerals: consist of calcium, phosphorus, potassium, chloride, magnesium, sodium, sulfur, these minerals are needed in amounts greater than 100mg/day in our diet, the amount naturally present in the human body is 5g or 5,000mg. Water is a vital nutrient for health and survival (duh) Water is involved in many body processes: fluid balance, nerve impulses, muscle contractions, nutrient transport, removal of wastes, body temperature and more. Dietary reference intakes (dris) identify the: amount of a nutrient needed to prevent deficiency disease in healthy people, amount of a nutrient that may reduce the risk of chronic disease, upper level of safety for nutrient intake. Dri"s consist of four values: estimates average requirement (ear)
