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Published byAmie Alexia Morton Modified over 8 years ago
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Carbohydrates HFN20
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What is a calorie? Unit a energy, measurement of heat The amount of energy, or heat, it takes to raise the temperature of 1 gram of water 1 degree Celsius 2000 cal per day is a rough estimate depends on other factors like body size, exercise, health, metabolism (compare to a furnace)
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Maconutrients Carbohydrates (4 cal. / gram) Fats (9 cal. / gram) Protein (4 cal. / gram)
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Carbohydrates
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Functions Gives your body energy Keeps your digestive system fit Feeds your brain and nervous system
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Your brain is powered by carbohydrates 100% glucose power
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Sugars Your body breaks down carbohydrates into sugars and uses them for energy: Monosaccharide (single sugars) glucose, fructose, galactose Disaccharide (double sugars) lactose, sucrose, maltose
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Polysaccharides A polysaccharide is a long strand of glucose.
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Two Types of Carbs: SIMPLE (taste sweet) Sugars Fruits Honey COMPLEX Potatoes Breads Beans
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Why can’t I just eat candy, it contains sugar? When you eat food containing refined sugar (candy) it gets absorbed directly into your blood stream Refined sugar is concentrated sugars without any other nutrients. Grains, vegetables and fruits are carbohydrates that have high nutrient dense sugars Nutrient dense sugars arrive with water, fiber, vitamins and minerals. They get absorbed slower and are healthy for your body.
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If I want to lose weight, should I avoid carbohydrates? Carbohydrates are wrongly accused of being fattening ingredients. Carbohydrates deliver fewer calories than fatty foods. It also takes a lot of energy to turn the carbohydrates into fat, therefore even more of the carbohydrate is lost. Avoid fatty foods instead
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Carbohydrates 55 – 60 % of a persons total food energy should come from carbohydrates
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Fiber Fiber is the supporting structure of plants (stems, leaves and seeds) It provides roughage for the body and helps digestion and elimination
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Benefits of Fiber Reduces the risk of heart disease and stroke Improved health of digestive tract Increases stool weight by holding water in feces Helps with elimination and the prevention of digestive diseases. Helps maintain a healthy body weight Gives a feeling of fullness
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How much fiber? A human should get between 20 - 40 rams per day.
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