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Energy balance and planning meal

What is energy balance and ways to plan meal

Ummi Hana Abd Halim

on 25 April 2010

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Transcript of Energy balance and planning meal

Energy Balance and Planning meal
•Explain why the body needs energy
•Explain energy balance
•List the factors that affect energy needs
•Evaluate the energy values of a meal for teenagers, using food information.
•List the factors to consider when planning meals
•List the factors to consider when eating out
Why the body needs energy? - Basic body processes, such as breathing, heart beating, and maintaining body temperature.
- Sleeping needs energy
- Energy: running, walking. How do we get energy? -Food we eat = energy intake.
-When we eat, body digests and breaks down nutrients to produce energy.
-Different type of food consumes gives different amounts of energy.
Maintain energy balance: Energy intake = energy expenditure energy balance Energy intake> energy expenditure overweight Energy intake <energy expenditure underweight -Age
-Body size
-Level of physical activity
How much energy we need?? •RDA means Recommended Dietary Allowance average daily dietary intake level. That meets the energy requirements of normal healthy people. When planning a meal -Age
-Lifestyle habits
-Occupation We need to ensure the food is balance meal;
Time constraint
Cooking skills
Availability of ingredients
-Factors to consider when eating out:
-nutritional needs
-Time constraints
-Hygiene: dirty outlet can cause food poisoning:
Energy measured in joules. Joules is small so Kilocalories is used instead. 1 kcal = 4.18 kJ 1 g of carbohydrate provides 4 kcal (17kJ)
1 g of fat provides 9 kcal (37 kJ)
1 g of protein provides 4 kcal (17 kJ)
Scenario: Mimi is 14 years old

she is ......
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