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Published byGerard Doyle Modified over 9 years ago
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NUTRITION A PRACTICAL GUIDE TO EVERYDAY USE
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OBJECTIVES IN THIS UNIT YOU WILL Define nutrition, nutrient, malnutrition, obesity, overweight Classify categories of nutrients Classify categories of carbohydrates Determine functions and food sources of carbohydrates.
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TERMS AND DEFINITIONS NUTRITION: The study of how your body uses the food you eat. MALNUTRITION: Poor nutrition over an extended period of time. NUTRIENT: A chemical substance in food which nourishes the body.
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TYPES OF MALNUTRITION OBESITY: Too many calories over an extended period of time. 20% above ideal weight
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TYPES OF MALNUTRITION OVERWEIGHT: 10% above ideal weight.
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TYPES OF MALNUTRITION LACK OF NUTRIENTS AND CALORIES FOR AN EXTENDED PERIOD OF TIME.
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NUTRIENT GROUPS All nutrients can be categorized in one of the following groups: CARBOHYDRATES FATS PROTEINS VITAMINS MINERALS WATER
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CARBOHYDRATES CHIEF SOURCE OF ENERGY COME FROM PLANTS 4 CALORIES PER GRAM
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CLASSIFICATION THERE ARE THREE CATEGORIES OF CARBOHYDRATES: MONOSACCHARIDES DISICCAHRIDES POLYSACCHARIDES
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CLASSIFICATION DISACCHARIDES SUCROSE LACTOSE MALTOSE
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CLASSIFICATION POLYSACCHARIDES CELLULOSE STARCH DEXTRIN GLYCOGEN
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MONOSACCHARIDES SIMPLEST CARBS ALL CARBS MUST BE BROKEN DOWN TO GLUCOSE TO BE USED BY THE BODY. GLUCOSE-BLOOD SUGAR OCCURS NATURALLY IN SOME FOODS
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MONOSACCHARIDES EXAMPLES ARE HONEY, FRUITS, VEGETABLES, MOLASSES, CORN SYRUP CARRIED THROUGH BODY IN BLOOD, PROVIDES CONSTANT AND IMMEDIATE ENERGY FOR ALL CELLS HOSPITAL IV? DIABETICS?
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MONOSACCHARIDES FRUCTOSE: SWEETEST OF ALL SUGARS FOUND IN FRUITS, VEGETABLES, HONEY AND MOLASSES
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DISACCHARIDES SUCROSE TABLE SUGAR FOUND IN SUGAR CANE, SUGAR BEETS, MOLASSES, CORN SYRUP, MAPLE SYRUP
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DISACCHARIDES LACTOSE MILK SUGAR FOUND IN THE MILK OF MAMMALS
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DISACCHARIDES MALTOSE FOUND IN SPROUTING CEREALGRAINS ***REMEMBER, DISACCHARIDES MUST BE BROKEN DOWN TO MONOSACCHARIDES TO BE UTILIZED BY THE BODY
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POLYSACCHARIDES CELLULOSE FIRBOUS MATERIAL FOUND IN FRESH FRUITS, WHOLE GRAIN CEREALS PROVIDES BULK, FIBER, FOR HEALTHY LARGE INTESTINE TOO LITTLE IS ASSOCIATED WITH CANCER OF THE COLON
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POLYSACCHARIDES STARCH MOST ABUNDANT CARB IN THE BODY ROOTS, SEEDS, AND TUBERS ARE THE MOST COMMON SOURCES
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POLYSACCHARIDES DEXTRIN BY-PRODUCT OF THE BREAKDOWN OF STARCH. PRESENT IN CORN SYRUP, WHEAT FLOUR, PEANUTS, CORN, BEANS, RICE, AND HONEY
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POLYSACCHARIDES GLYCGOGEN STORAGE FORM OF CARBOHYDRATES IN ANIMALS LIVER AND MUSCLE MEETS ARE GOOD SOURCES OF GLYCOGEN ***Remember, polysaccharides must be broken down into glucose to be used by the body.
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FUNCTIONS OF CARBS FURNISH THE BODY WITH ENERGY PROVIDE CELLULOSE NEEDED FOR EFFICIENT DIGESTION ALLOW PROTEINS TO BE USED FOR GROWTH AND REPAIR INSTEAD OF ENERGY ( Atkins diet?)
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SOURCES CARBOHYDRATES SHOULD CONSITUTE 50% OF THE DIET MOST OF THE CARBOHYDRATES IN YOUR DIET SHOULD BE COMPLEX
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SOURCES COMPLEX CARBOHYDRATES: WHOLE GRAINS FRESH FRUITS AND VEGETABLES LEGUMES PASTA
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SOURCES LIMIT REFINED CARBOHYDRATES: SUGAR SYRUPS CANDY JELLIES/JAMS Americans drink soda at an annual rate of about 56 gallons per person; that’s nearly 600 twelve-ounce cans of soda per person.
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