CHAPTER 5 Nutrition. Factors That Influence One’s Food Choices Physical Need: hunger Psychological...
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Transcript of CHAPTER 5 Nutrition. Factors That Influence One’s Food Choices Physical Need: hunger Psychological...
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CHAPTER 5
Nutrition
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Factors That Influence One’s Food Choices
Physical Need: hungerPsychological desire: appetite (wanting to
eat) Appetite is a learned behavior. It is a
desire rather than a need.Environment: culture, family, friends,
advertising, time, moneyYour emotions: boredom, stressed,
depressed
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Nutrients
Carbohydrates
Proteins
Fats
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Carbohydrates
Starch/sugarSimple: fructose found naturally in food, and
sucrose in table sugarComplex: starch found in grains, seeds, nuts,
legumes4 calories per gram55-65% of our calories need to come from
carbohydratesBody’s main source of fuel
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Protein
Help build and maintain body tissuesComplete proteins: contains all of the
essential amino acids (fish, meat, eggs, yogurt)
Incomplete proteins: lack amino acids (nuts & grains)
4 calories per gram
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FATS
Fats are lipids - a fatty substance that does not dissolve in liquid
Concentrated form of energyCarries vitamins A,D,E and K into your bloodSaturated: more solid in room temperature,
most animal fats, associated with heart disease
Unsaturated: becomes liquid at room temp., healthier, found in vegetable fats
9 calories/gram. 60-80 grams per day
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Vitamins
They help the body with digestion, absorption and metabolism
Either water-soluble or fat-soluble13 vitamins, Vitamin D is produced in the
skin via sunlightMust eat a variety of foods to get all of your
vitamins
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Minerals
Inorganic, must be digested
Ex: calcium, iron, fluoride, zinc, sodium
Best source is in the foods you eat
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Nutritional Guidelines
Eat a varietyFresh is bestBalance food with exerciseKnow your body fat %, this is more important
than body weightTake time to measure out serving sizesChoose foods that are low in saturated fat
and cholesterolChoose plenty of grain products
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Nutritional Guidelines
Control sugar and sodiumEat breakfastEat healthy snacks between mealsLunch and dinner should have a variety of
foods
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Being a Smart Consumer
Read Labels!1.Check the serving size2.Check calories and calories from fat3.Look at ingredients4.Check the expiration date5.Educate yourself