LIFESCI 2N03 Lecture Notes - Lecture 1: The Chances, Starch, Phospholipid
15 Jan 2016
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Document Summary
Foods with high energy density provide more kcalories than food with low energy density. In the breakfast example the toast with the fruit salad, sausage. , etc. although offered thee times as much food as the donut and coffee; it had less energy density which means it overall provided less kcal. The science of foods and the nutrients they contain and of their actions within the body which includes the social, economic, cultural and psychological implications of food and eating. Any substance in food that the body can use to obtain energy, synthesize tissues and regulate physiological/physical functions. Energy- yielding nutrients contain kcalories and are associated with energy. Non-energy yielding nutrients contain no calories and are not associated with energy. Organic nutrients refers to nutrients that contain carbon. Proteins, lipids(fats), carbs and vitamins are organic compounds. Essential nutrients: nutrients that we must ingest through food because the body cannot make them.
