NUTR 2050 Chapter Notes - Chapter 1: Flax, Nutrient, Maltose
20 Jan 2017
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Document Summary
Principles of the science of nutrition: food is a basic need of humans, foods provide energy, nutrients and other substance needed for growth and health. They are required in the diet: carbs, essential amino acids, essential fatty acids, vitamins, minerals, water. Non-essential: present in food and used by the body, but they don"t have to be part of our diets. They still play an important role in maintaining health: cholesterol. All humans require the same set of essential nutrients, but the amount needed varies based on: age, body size, gender, genetic traits, growth, illness, physical activity, medication use, pregnancy. Dietary reference intakes: general term used for the nutrient intake standards for healthy people. Recommended dietary allowances: levels of essential nutrient intake judged to be adequate to meet the known nutrient needs of practically all of healthy people, while decreasing the risk of certain chronic diseases. Adequate intakes: (cid:498)tentative rda"s(cid:499) based on less conclusive scientific info than the rda"s.
