Science of Human Nutrition-Week 1
Science of Human Nutrition-Week 1 NUTR 23511-009
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This 3 page Class Notes was uploaded by Kathryn Notetaker on Thursday September 1, 2016. The Class Notes belongs to NUTR 23511-009 at Kent State University taught by Tanya R. Falcone (P) in Fall 2016. Since its upload, it has received 68 views. For similar materials see Nutrition in Nutrition at Kent State University.
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Date Created: 09/01/16
Science of Human Nutrition Week 1 notes Nutrition Concepts-Unit 1 What are nutrition concepts? Foundation knowledge of thinking about nutrition The study of food, what food is, and how it affects our overall body nutrition is more than just food chemical science social science behavioral science biological sciences food sciences etc We are made up of: Carbohydrates, proteins, fats, vitamins, minerals and water (EXAM QUESTION) Nutrition concept #1 food is a basic need of humans if you don’t eat you don’t survive ex. People in impoverished areas/with eating disorders look sickly: if the body is not receiving the nutrition that it needs, your body will start to break down itself for nutrition we are made up of everything that we eat 3 major concepts food security: that you have access to foods as well as having the means to purchase most students, middle-upper-class Food insecurity: lack access and/or lack the needs (ON EXAM) food desserts individuals suffering from natural disasters: you can have a ton of money and grocery stores, but you can’t access it impoverished, homeless 12.6% of US households 7% of Canadian households bc of social programs, have funds for food rather than having to pay for healthcare or school Female-headed households with young children living in inner- city areas (EXAM QUESTION) Children will always be at higher risk of food insecurity: dependent on every level (EXAM QUESTION) Food terrorism: Individual who deliberately tampers with access to food burning crops poisoning water supply government deliberately withholding foods from population botulism toxin single most poisonous substance known (EXAM QUESTION) Boil at 160°F or> for 15 min to destroy toxin (EXAM QUESTION) ricin found in seed of castor plant-deadly if ingested radioactive particles Microorganisms salmonella E.coli Nutrition concept #2 food provides energy (calories) nutrients and other substances needed for growth and health Calories: measuring the heat that’s produced in the body to create energy Nutrients: chemical substances found in food that are used by the body for growth and health Six categories: Carbohydrates, proteins, fats, vitamins, minerals, water non-essential nutrients: antioxidants: helps to repair damaged cells; found in fruits and vegetables phytochemicals: enhance or improve overall health Macronutrients Carbs: vegetables, bread, rice, pasta, beans, milk, skim, 1% QUINOA IS THE ONLY GRAIN THAT IS ALSO CONSIDERED A PROTEIN Proteins: milk, eggs, nuts, beans, soy, milk, skim, 1%, cheese Fats: milk, cheese, meats, fish, nuts, mostly everything strictly fats: oil, avocados, almond milk Micronutrients and others vitamins and minerals are found in all foods water found in a lot of food especially fruits and vegetables phytochemicals and antioxidants are found in the skin of most fruits and vegetables ex. Blueberries, tomatoes you get a different phytochemical/antioxidant in different colors greens: chlorophyll overpower other colors Carbs: primary source of energy fruits, vegetables, whole grains, some dairy for every gram=4 calories starches and sugars essentially the same thing, starches are more complex starches and sugar= 4 calories per gram sugar: simple molecule (apple: 1 molecule) added sugars should be kept at a minimum, not sugars as a whole starch: same molecule, but 3 or more of them (bread: 10 molecules of the same thing) Fiber: can’t break down when you eat it, you don’t absorb therefore does not give you energy or calories Total carbs=sugar+starch+fiber Which of the following carbs give you energy? Sugar and starches, NOT fiber (EXAM QUESTION) Proteins: must acquire all 9 foods that contain all 9 amino acids are considered complete proteins: meat products, animal bi-products, soy: the 1 plant protein (EXAM QUESTION) 4 calories per gram same amount of energy as carbs
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