HNF150-IntroLearningNotes.pdf HNF 150
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This 3 page Class Notes was uploaded by Brittany Ballog on Sunday September 27, 2015. The Class Notes belongs to HNF 150 at Michigan State University taught by k. alaimo in Spring 2014. Since its upload, it has received 19 views. For similar materials see Intro to Human Nutrition in Nursing and Health Sciences at Michigan State University.
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Date Created: 09/27/15
HNF 150 Introduction Learning Notes 0 Nutrition study of how food nourishes the body 0 Science by which scientists collectively and over time endeavor to construct an accurate representation of the world 0 Biochemical interaction between food and beverages nutrients genetics and health 0 Human eating behaviors 0 Government public and corporate private regulation and in uences on human eating behavior 0 Ethics of food production distribution and consumption 0 Nutrition is important because it can cause or prevent diseases 0 Examples ironde ciency anemia vitamin de ciencies toxicities poor resistance to distance immune diseases diabetes hypertension heart diseases osteoporosis 0 Vitamin C o Protects cells against damage Important for healthy gums and skin Helps absorb iron Prevents scurvy ascorbic acid Redorange and green plants Examples broccoli Bok Choy green pepper sweet red pepper Brussels sprouts orange juice strawberries grapefruit 000 0 Nutrients components of food that are indispensible to the body s functioning 0 Energy 0 Serve as building material 0 Maintain or repair body parts 0 Support growth 0 Essential nutrients body can t make these nutrients for itself must be taken in order to prevent de ciencies 0 Examples carbs fats proteins vitamins minerals water 0 Calories Energy 0 1 calorie the amount of heat needed to raise the temp of 1 liter of water 1 degree Celsius Energy Nutrient Energy Carbohydrate 4 kcalg Fat lipid 9 kcalg Protein 4 kcalg Alcohol ethanol 7 kcalg 0 Nutrient density foods rich in nutrients relative to their energy content calories 0 Usually whole foods Lower calories Higher nutrients Nutrient dense o Nutritious optimal diet 0 Maximizes health and longevity o Prevents nutrient de ciencies o Decreases risks for chronic diseases 0 Composed of a variety of whole foods that are available safe and palatable tasty 0 Health claim statement concerning links between nutrients or food constituents and disease 0 Nutrient claim statement concerning a product s nutritive value 0 Dietary supplements product other than tobacco that is added to the diet and contains of the following ingredients vitamin mineral herb botanical amino acid metabolite constituent extract or any combo Nonnutrients compounds in foods other than the six nutrients that have biological activity in the body 0 Functional food foods with bene cial physiology or psychological effects beyond providing essential nutrients Phytochemical biologically active compounds of plants believed to confer resistance to disease to the eater o Nonnutrients derived from plants 0 Consumption of naturallyoccurring phytochemicals in foods are safe for healthy people 0 Research is still going on 0 Foods are the best and safest source of phytochemicals Energy Terms 0 Low calorie 40 calories or fewer per serving 0 Reduced calorie at least 25 lower in calories than a regular food Calorie free fewer than 5 calories per serving Table of Nutrient Claims on Food labels 0 quotHealthyquot contains at least 10 of the daily value of at least one of the following Vitamin A Vitamin C iron calcium protein ber 0 can t contain more than 20 of the daily value for total fat transsaturated fat cholesterol sodium Food is regulated by the FDA and allowed only when sage and supported by scienti c evidence The Nutrition Education and Labeling Act was passed in 1990 0 Dietary supplements and functional foods structurefunctions claims 0 largely unregulated 0 not based on scienti c evidence 0 may not have been tested for safety or ef cacy Health Claims FDA s A through quotDquot lists Grade Level of con dence in health claim Label disclaimers required A high scienti c agreement none B moderate evidence supported inconclusive quothealth claimquot C low evidence is limited and inconclusive quothealth claimquot D extremely low little scienti c evidence supporting quothealth claimquot
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