PFHW 123 Chapter Notes - Chapter 1: Malnutrition, Overnutrition, Scientific Method
17 Aug 2018
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Nutrition: the science of nutrients in foods and their actions in the body. May also include the study of human behaviours related to food and eating. Humans choose foods based on taste (especially sweet, salty, and spicy), habit (eating cereal every morning), religious or social values, and ethnic heritage/regional cuisine. Food may be accepted regardless of hunger signals to please a host (ex. At a party) or disliked due to negative experiences. Functional foods : provide health benefits beyond their nutrient contributions. The composition of the human body often reflects that of foods mostly water (60%), some fat (18-26%), and carbohydrates, protein, vitamins, minerals, and other constituents making up the rest. Minerals : the simplest of nutrients each is a chemical element. Minerals and water are inorganic nutrients vitamins some also contain nitrogen! Organic nutrients (containing carbon) include carbohydrates, lipids, proteins, and. Minerals do not yield energy and can be found in bones, teeth, and body fluids.
