Foods and Nutrition 1021 Lecture Notes - Glycemic Index, Microvillus, Hyperglycemia
Document Summary
Study of nutrient + biologically active compounds in food and body: nutrient indispensible to body"s function required to live and grow. Body cannot produce therefore obtained through diet: water, vitamins, minerals (important to health), some macronutrients. Measured in calories: amount of heat energy necessary to raise the temp. of 1l of water by 1oc, food (chemical energy) mechanical, electrical, heat energy. Balance: number of types of foods in balance with another high in one nutrient paired with food rich in another. Calorie control: foods that provide enough energy to maintain weight. Functional foods: offer health benefits beyond meeting basic nutrient needs. Phytochemicals: found in plant foods that are not essential nutrients may promote health. Different then vitamins or other nutrients because: nonessential, protect humans against disease. Act as: antioxidant, mimick hormones, inhibit cell division, protect dna from damage, inhibit development of new blood vessels in cancerous tumors.