Module 1 notes - FOS2001 Notes Macronutrients-large portion...

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Macronutrients-large portion Carbohydrates – Our body’s most efficient source of energy and an essential component in the production of many structural and functional materials. Fats – Divided in two categories: saturated, which are solid at room temperature and found mostly in animal tissues, and unsaturated, which are liquid and found mostly in plant tissues. Proteins – The building blocks that make up this nutrient are called amino acids. This nutrient is found in all foods derived from animals and plants. Water – The environment in which cells live; it is approximately 60 percent of our body weight. Micronutrients-small portion Vitamins – Organic compounds that are synthesized, for the most part, only by plants and bacteria; our supply comes from plant foods and our own bowel bacteria. Minerals – These nutrients come from inorganic matter, primarily the earth; some are important in our structural material, for instance, our bones and teeth. There are three types of functions that nutrients perform: Building blocks: for example, protein is used for muscle, calcium is used in the skeleton system, etc. Energy: for the body and cells Maintenance/regulation: help maintain homeostasis*. *Homeostasis is the ability or tendency of an organism or a cell to maintain internal equilibrium by adjusting its physiological processes. Different nutrients have different roles in maintaining a healthy body. For example: Proteins do all three functions. They provide building blocks (muscle), an energy source and maintenance/regulation (hormones/enzymes). Carbohydrates perform one function: to supply energy for the body. Fats, like proteins, are involved in all three functions (building blocks (cell membranes), energy source, and maintenance/regulation (steroid hormones). Water participates actively in forming building blocks of cells.
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This note was uploaded on 09/06/2011 for the course FOS 2001 taught by Professor Marshall during the Fall '08 term at University of Florida.

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Module 1 notes - FOS2001 Notes Macronutrients-large portion...

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