Notes of the first 3 chapters
Notes of the first 3 chapters NUTR 120
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Eudijessica Melo de Oliveira
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This 2 page Class Notes was uploaded by Dinha on Tuesday September 1, 2015. The Class Notes belongs to NUTR 120 at University of New Mexico taught by a professor in Fall 2015. Since its upload, it has received 63 views. For similar materials see Nutrition for Health in Nutrition and Food Sciences at University of New Mexico.
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Date Created: 09/01/15
Nutrition for health Nutrition is the scientific study of nutrients chemicals necessary for proper body functioning and how the body uses them Chemistry is the study of the composition and characteristics of matter and changes that can occur to it Metabolism is the total of all chemical processes that occur in living cells including chemical reactions changes involved in generating energy making proteins and eliminating waste products Cell is the smallest living functional unit in an organism such as a human being Essential nutrient must be supplied by food because the body does not synthesize the nutrient or make enough to meet its needs 0 Deficiency disease is a state of health characterized by certain abnormal physiological changes Diet usual pattern of food choices Nutrients are chemicals necessary for proper body functioning Phytochemicals compounds made by plants that are not nutrients Antioxidant protects cells and their components from being damaged or destroyed by exposure to certain environmental and internal factors Kilocalorie or Calorie heat energy needed to raise the temperature of 1 liter of water 1 Celsius measure of food energy Macronutrients nutrients needed in gram amounts daily and that provide energy carbohydrates proteins and fats Micronutrients vitamins and minerals The body needs very small amounts milligrams or micro grams of them to function properly Emptycalorie describes food or beverage that is a poor source of micronutrients in relation to its energy value Nutrientdense describes food or beverage that has more vitamins and minerals in relation to its energy value Megadose generallydefinedaslOtimesthe recommended amount of a vitamin or mineral Hypothesis possible explanation about an observation that guides scientific research Anecdote reports of personal experiences Variable personal characteristic or other factor that changes and can in uence an outcome EAR amount of a nutrient that should meet needs of 50 of healthy people RDA standards for recommended daily intakes that meet needs of 98 of healthy people AI assigned when no RDA can be determined Assumes a population s average daily nutrient intakes are adequate UL highest average amount that is unlikely to be harmful when consumed daily EER average daily energy intake that meets needs of a healthy person who is maintaining his her weight DAILYVALUES DVs set of nutrient intake standards developed for labeling purposes gtThe six classes of nutrients Carbohydrate proteins lipid water minerals Vitamins gtHow many kcals g are in Carbohydrates 4 Lipids 9 Protein4 Alcohol 7 A CORRELATION is a relationship between variables It can be positive or negative Casecontrol study study in Which individuals Who have a health condition are compared With individuals With similar characteristics Who do not have the condition Cohort study study that measures variables of a group of people over time Retrospective prospective
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