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Transcript of Chapter10 Nutrition Guidelines
Glencoe Food for Today Chapter 10 Nutrition Guidelines
Chapter 10 Nutrition Guidelines
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Nutrition guidelines are sources of information that help people to:• make smart dietary choices.• stay healthy.• separate fact from fiction.
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Content Vocabulary Academic Vocabularynutrient densityNutrition Facts paneldaily value dietary supplementherbalfraud
reliablemoderate
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Nutrition Information
• Dietary Guidelines for Americans• Science-based advice
• MyPyramid and MyPlate• Graphic representation of dietary advice
• Nutrition Facts Panels• Label on individual food products
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Dietary Guidelines for Americans
• The Dietary Guidelinesfor Americans provides nutrition and fitness advice.
• Our text does not havea lot of space given tothese, but the next 3slides are summarizedin the chart on pg 134.
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Dietary Guidelines for Americans
Nutrients and Calories
Weight Management
Give guidelines for each factor.
Physical Activity
Factor Guidelines
Choose foods low in fat, cholesterol, sugar and salt.
Choose nutrient-dense foods and beverages.
Increase exercise and watch calories to lose excess weight.
Get 60 minutes of physical activity most days.
Balance calories consumed with calories used.
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Dietary Guidelines for Americans
Food Choices
Fats
Give guidelines for each factor.
Factor Guidelines
Choose a variety of foods within each food group.
Choose foods from every food group.
Limit total fat to 25 to 35 percent of calories.
Choose lean, low-fat, and fat-free foods.
Limit intake of saturated and trans fats.
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Dietary Guidelines for Americans
Carbohydrates
Sodium and Potassium
Give guidelines for each factor.
Factor Guidelines
Limit foods and beverages with added sugars.
Choose fiber-rich fruits, vegetables and whole grains.
Reduce sodium. Consume less than 2300 mg per day.
Increase potassium. Eat potassium-rich fruits and vegetables.
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MyPyramid• MyPyramid is a visual, easy-to-use, food
guidance system.• The color bands represent grains, vegetables,
fruits, oils, milk, and meats and beans.• People should eat more from food groups with
wide bands, and less from food groups with thin bands.
MyPyramid is transitioning too, but more on that later.
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MyPyramid• Calorie intake depends on many variables,
including activity level, gender, age, and body size.
• Foods with a high nutrient density offer more nutrients for fewer calories.
nutrient densityThe relationship (ratio) between nutrients and calories in a food.
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MyPyramid• Food groups are represented by color bands• Represent 5 food groups + “Oils”
• Fruit group – red (includes fruits & 100% juice)• Vegetable group – green (includes 100% juice)
– Dark green vegetables– Orange vegetables– Dry beans & peas– Starchy vegetables– Others
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MyPyramid• …continued
• Grain Group– Whole grains– Other, refined grains
• Meat & Bean Group• Milk Group• Oils Category –
not really a “group”; consume in limited quantities(you get enough from inside foods)
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MyPyramid• Choose nutrient-dense foods• Nutrient density is the relationship between
nutrients and calories in a food.• High nutrient density has a lot of nutrition,
but few calories• Low nutrient density has little nutrition,
but lots of calories
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MyPyramid• And now that we’re talking calories…• How many calories do you need?• Depends on several factors:
• Age• Gender• Body size• Activity level
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MyPyramidServing Sizes• Fruits: 1 medium fruit; ½ cup fresh, frozen or canned fruit; ¼ cup
dried fruit; 6 oz fruit juice• Vegetables: 1 cup raw, leafy; ½ cup cooked or chopped; 6 oz
vegetable juice• Grains: 1 slice bread; 1 cup dry cereal; ½ cup cooked rice, pasta,
cereal; 1 oz dry pasta, rice• Meats: 3 oz cooked lean meat, poultry or fish; ½ cup cooked, dry
beans or peas; 1 egg; etc• Dairy: 1 cup milk; 1 coup yogurt; 1 ½ oz nat cheese; 2 oz processed
cheese• Fats and Oils: 1 tsp soft margarine; 1 TB low-fat mayo; 2 TB light
salad dressing; 1 tsp veg oil
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MyPyramidPortion Sizes• Portion sizes have increased in recent years• It is easy to overeat
without realizing it
Healthy Eating Habits• Aim for balance• Choose variety• Eat in moderation
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Nutrition Facts Panel• All packaged foods have Nutrition Facts panels.• Each panel lists the serving size and amount of
nutrients per serving.
Nutrition Facts panelA label with easy-to-readinformation about the caloriesand nutrients of foods sold in containers.
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Nutrition Facts Panel
• serving size?• total calories per serving?• percentage of saturated fat
according to a 2,000 calorie diet?• grams of fiber per serving?• amount of vitamin C per serving?
Can you identify the...
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Dietary Supplements• Dietary Supplements do not replace food.• Supplements can help people who are ill,
pregnant, nursing, or elderly.• Herbal products lack long-term studies to confirm
their safety and effectiveness.
herbalA plant used for medicinal purposes.
Dietary supplementA nutrient substance taken to supplement or add nutrients to the food you eat.
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Dietary Supplements• Nutrient Megadoses
• Sometimes called “high potency” vitamins• Herbals
• Many herbals have been used for years – aloe• Many modern medicines are made from plants• Some are safe• Some are unknown• Few long-term studies• Read “supplement facts” on label
megadosesVery large amount of a supplement
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Separating Fact from Fiction
• Food myths are mistaken beliefs about food• Advertisers often provide misleading nutrition
information.• For reliable nutrition information, check more than
one objective source.
reliableTrustworthy.
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AdvertisingPurpose of advertising is to SELLAdvertising techniques• Limited information – only positive facts• Positive images – attractive people, smiling faces• Celebrity Endorsements – ‘nuff said• Scare Tactics – fears of aging or disease• Studies – not the whole story; who funded research• Infomercials – long commercials• False Claims – watch for things that seem to good to be
true
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InternetDifficult to police the internetSee who sponsors the siteReliable information: • .edu; • .gov; • Mayo Clinic; • National Institute of Health
• Anyone can become a group and get a .org web site – you do not know the agenda or bias of some groups.
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Nutrition FraudFraud occurs when people gain something of value
by deceiving others.Can file complaints with FDA or FTC
Evaluating Information:• Look for the source (sometimes hard to find if questionable)
• Identify web sites – see who operates the web site• watch for “cover names” or “cover organizations”
• Read Carefully• Identify Funding – “Follow the money”• Choose experts– check the person’s credentials
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Chapter Summary
• People need reliable sources of information to make smart dietary choices.
• Dietary Guidelines for Americans is a source of science-based advice on nutrition and fitness.
• MyPyramid is a guidance system that categorizes food into groups.
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Chapter Summary
• Nutrition Facts panels are labels with information about the calories and nutrients and Daily Values of foods sold in containers.
• Dietary supplements can be useful additions to a healthful diet for some people.
• It is important to separate fact from fiction when making choices about diet and nutrition.
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ReviewReview
Start
Do you remember the vocabulary terms from this chapter? Use the following slides to check your knowledge of the definitions.
The slides in this section include both English and Spanish terms and definitions.
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nutrient density densidad de nutrientes
The relationship between nutrients and calories in a food.
La relación entre los nutrientes y las calorías en un alimento.
Show Definition
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Nutrition Facts panel
panel con datos de nutrición
A label with easy-to read information about the calories and nutrients of foods sold in containers.
Una etiqueta con información fácil de leer sobre las calorías y los nutrientes de los alimentos que se venden en recipientes.
Show Definition
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daily value valor nutricional diario
The needed amount of a nutrient based on current nutrition recommendations fora 2,000-calorie diet.
La cantidad de nutrientes que se necesitan basada en las recomendaciones actuales para una dieta de 2,000 calorías.
Show Definition
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dietary supplement suplemento alimenticio
A nutrient substancetaken to supplement, or add to, nutrients inthe food you eat.
Un sustancia nutritiva que se toma para complementar o añadir nutrientes en los alimentos que consumes.
Show Definition
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herbal herbal
A plant used for medicinal purposes.
Una planta usada con propósitos medicinales.
Show Definition
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fraud fraude
When people gain something of value,often money, by deceiving others.
Cuando las personas ganan algo de valor, generalmente dinero, al engañar a otros.
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reliable confiable
Trustworthy. De confianza.
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moderate moderado
Not extreme. No extremo.
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