Nutrition, Nutrients & Healthy Eating

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Nutrition, Nutrients & Healthy Eating

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Nutrition, Nutrients & Healthy Eating. What are nutrients?. Essential substances that your body needs in order to grow and stay healthy. Six categories of nutrients. Carbohydrates Proteins Minerals Vitamins Fats Water. Carbohydrates. - PowerPoint PPT Presentation

Transcript of Nutrition, Nutrients & Healthy Eating

Page 1: Nutrition, Nutrients & Healthy Eating

Nutrition, Nutrients &

Healthy Eating

Page 2: Nutrition, Nutrients & Healthy Eating

What are nutrients?

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Six categories of nutrients

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Carbohydrates Proteins

Minerals Vitamins

Fats Water

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Structure and function: Carbohydrates are sugars and starches that the body uses for

ENERGY!

Carbohydrates

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Simple Carbohydrates

Sugars that are quickly digested and provide a BOOST of energy for the body

Foods with LOTS of sugar: oranges, milk, cookies, candy

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Starches that are composed of many sugars linked together

They provide the body with long-term energy since they are digested more slowly than sugars.

Foods with LOTS of starch: rice, beans, potatoes

Complex Carbohydrates

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Structure: Proteins are made from many amino acids connected together in different

arrangements.

Function: Provide the building materials your body needs to grow and repair itself

Protein

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Complete proteins: Foods containing all the essential amino

acids

Examples: fish, meat, eggs, milk, cheese

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Incomplete proteins:

Foods that are missing some essential amino acids

Examples: Legumes, nuts, whole grains

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Functions:

ENERGY source for the body (more than carbs and proteins)

Help protect and cushion vital organs as well as joints

Insulate the body

Fat

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Structure: Fats belong to a group of organic

compounds called lipids which are substances that do not dissolve in water.

Fatty acids are the building blocks of fats.

Fat

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Contain fatty acids that are missing hydrogen atoms

At room temperature, they are typically in liquid form.

Foods with a lot of unsaturated fat: canola, and peanut oils

Unsaturated fats:

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Contain fatty acids with the MAXIMUM amount of hydrogen atoms

At room temperature, they are typically in solid form.

Saturated fats:

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Diets with TOO MUCH saturated fat have been known to cause

heart disease.

Foods with a lot of saturated fat: beef fat, egg yolks, dairy products

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What is a

calorie?

Calories

The energy obtained from carbohydrates, proteins, and fats

is measured in units called calories.

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Calorie CalculationsCarbohydrates 1g = 4 calories

Protein 1g = 4 calories

Fat1g = 9 calories

Alcohol 1g = 7 calories

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Do you know the MOST

IMPORTANT nutrient is?

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It’s Water!60%-80% of the human body is

WATER

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FunctionAssists with the transport of materials in the body by making up most of the liquid

part of blood (plasma) Helps regulate body temperature, and helps break down food in the digestive

system

Food sources: vegetables, fruit, milk

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Minerals and vitamins are called micronutrients since they are needed

by your body in SMALL amounts.

The minerals and most of the vitamins your body needs must be obtained from the FOODS you eat since your

body cannot make them.

Micronutrients

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Micronutrients: MineralsMinerals are INORGANIC substances

that are required by your body in order to develop and grow properly.

Some Important Minerals:Calcium Iron

Potassium Magnesium

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CalciumFunction:

Helps build strong bones and teeth, regulates blood clotting

Food sources: dairy products, leafy and green vegetables

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IronFunction:

Helps build hemoglobin which is the oxygen-carrying part of your red blood cells

Food sources: eggs, meats, whole grains

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PotassiumFunction:

Helps regulate fluid balance in the body, assists with the normal

functioning of muscles and nerves

Food sources: bananas, carrots, milk

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Micronutrients: VitaminsVitamins: Group of complex compounds

that help your body maintain normal metabolism, growth, and development

Two Groups of Vitamins:Water-Soluble and Fat-Soluble

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Water-Soluble Vitamins: Vitamins that dissolve in water

and are NOT stored in your body for future use

Vitamin B and Vitamin C

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Fat-Soluble Vitamins: Vitamins that dissolve into and are

transported by fat

They can be stored in fat tissue, the liver, and the kidneys.

Vitamins A, D, E, and K

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Your own diet…

…guidelines to follow for a healthy life!

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Fruits Group1. Use fruits as

snacks, salads or desserts.

2. Choose whole or cut up fruits more often than fruit juice.

Key Consumer Message:Make half your plate fruits and vegetables.

Boys 9-13 1 ½ c. daily

Boys 14-18 2 c. daily

Girls 9-18 1 ½ c. daily

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Vegetables Group1. Choose fresh,

frozen, canned or dried.

2. Eat red, orange and dark green vegetables.

Key Consumer Message:Make half your plate fruits and vegetables.

Boys 9-13 2 ½ c. dailyBoys 14-18 3 c. dailyGirls 9-13 2 c. daily

Girls 14-18 2 ½ c. daily

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Protein Group1. Choose a variety of

different protein sources.

2. In place of some meat and poultry, choose 8 oz. seafood per week.

3. Try grilling, broiling, poaching or roasting.

Key Consumer Message:

Keep meat and poultry portions small and lean.

Boys 9-13 5 oz. dailyBoys 14-18 6 ½ oz. dailyGirls 9-18 5 oz. daily

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Grains Group1. Choose 100% whole

grain cereals, breads, crackers, rice and pasta.

2. Check the ingredients list on food packages to find whole grain foods.

Key Consumer Message:Make half your grains whole grains.

Grains Whole Grains

Boys 9-13 6 oz. daily 3 oz. daily

Boys 14-18 8 oz. daily 4 oz. daily

Girls 9-13 5 oz. daily 2.5 oz. daily

Girls 14-18 6 oz. daily 3 oz. daily

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Dairy Group1. Low-fat or fat-free

dairy products have the same amount of calcium and other essential nutrients as whole milk, but less fat and calories.

Key Consumer Message:Switch to low-fat or fat-free milk. Get your calcium rich foods.

Boys 9-18 3 c. daily

Girls 9-18 3 c. daily

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Portion control is: Understanding how much a serving size is and

how many calories a serving contains.

It is important for weight management as the weight is

defined by the total calorie intake