NUTR 202 1nd Edition Lecture 1 Defining Nutrition- Nutrition- is a science that studies how nutrients and compounds in foods we eat affect our body’s function and health. - Example of how looking at a person’s refrigerator contents can imply lifestyle and food choices Other Key Concepts- Nutrients- a substance in food that provides energy and structure to the body, and regulates body processes (ERS*) - Essential nutrients- a nutrient that must be consumed or provided by the diet; for example, carbohydrates cannot be produced in the body and need to be consumed in the diet- Calories- unit by which energy is measured, food energy is measured in Calories or kilocalories (1000 calories= 1 kcal and you capitalize Calories) - Nutrient density- a measure of the nutrients provided by a food relative to its calorie content. For example low- fat milk has about the same calories as sweetened iced tea, yet more calcium, vitamin D, and vitamin A. Another example is an orange is more nutrient dense than vitamin C tablet because that supplement does not provide all the other nutrients an orange has. - Fortified foods- foods in which one or more essential nutrients has been added; key solution to micronutrient deficiencies 1. Mandatory- government mandates that certain nutrients be added in certain foods2. Voluntary- common practice among food manufacturers in order to sell foodExamples of mandated fortified foods by the US Government: Milk with vitamin D, breadwith B vitamins, and salt enriched with iodine. Note these are the ONLY ones regulated; cereals and supplements are not regulated and do not provide all the benefits of foods (may risk intoxication).PhytochemicalsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Found in plant-based foods such as fruits, vegetables, grains, and beans. - Provide non-essential nutrients and can be beneficial for these reasons: anti-oxidants, anti-inflammatory, and cancer prevention. Functional Foods- Provide health benefits and disease preventing properties beyond basic nutritional functions. Examples include: broccoli that prevents cancer, oatmeal that lowers cholesterol, and salmon that prevents heart disease.- In class discussion on how to fill phytochemical gap in America: solution is to do the 5 rule- use 5 different colors on a salad, each different color represents different
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