KINESIOL 1F03 Study Guide - Final Guide: Energy Density
7 Mar 2018
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Kinesiology 1f03 human nutrition and health notes. Sign up for top hat (5% of mark) first game at end of lecture today (sep. 6) Textbook: understanding nutrition (second edition) (bundled with dietary analysis software, 4 year subscription) Nutrition: the science of foods and nutrients they contain and of their actions within the body. (cid:862)i(cid:374)cludes the social, eco(cid:374)o(cid:373)ic, cultural a(cid:374)d psychological i(cid:373)plicatio(cid:374)s of food a(cid:374)d eati(cid:374)g(cid:863) Food choices: -preference/taste, habit, tradition, social interactions, availability, convenience, economy (price), positive or negative associations, emotions, values, body weight/image, health benefits. Energy yielding nutrients: carbs (4kcal/g), proteins (kcal/g), fat (9kcal/g), alcohol (7kcal/g) Humans are about 55% efficient at absorbing energy, cars are about 18% efficient. 450 gram breakfast yielding 500 kcal = 1. 1kcal/g. Nutrient density: -usually inversely related to energy density. Energy in the body: -the body uses energy for fuel (all body activities, storage for later use), raw materials for regulating activities (particularly protein)
