1. Nutrients
&
NUTRITION
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3. What Is Nutrition
-Nutrient: A chemical substance in food that helps maintain the body.
-Nutrition: The study of how your body uses the food that you eat.
-Malnutrition: is the lack of the right proportions of nutrients over an extended period
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4. What is a Nutrient
(A nutrient is a chemical substance in food that helps maintain the body.)
Some provide energy. All help build cells and tissues, regulate bodily processes such as breathing. No single food supplies all the nutrients the body needs to function.
Deficiency Disease: failure to meet your nutrient needs.
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5. The six Classifications of Nutrients
Vitamins
Minerals
Water
Protein
Carbohydrates
Fats
Sugars
Cellulose
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6. Carbohydrates The body’s chief source of energy Sugar Starches Fiber
Simple Carbohydrates
Glucose: Blood
Fructose: Fruit
Galactose: Milk
Sucroce: Table sugar
Starches
Complex Carbohydrates
Fiber
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7. Fats Important energy source
Lipid family which includes fats and oils
Hydrogenation: adds hydrogen atoms to unsaturated fatty acids (liquid) turning them into more saturated solid fats
Crisco and margarine sticks
Cholesterol: fatlike substance found in every cell in the body
Important… found in skin tissue, produces hormones
Two types: Dietary and Blood
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8. Proteins Provide energy, encourage growth and tissue repair
Made up of small units called amino acids
20 important to the human body: 9 your body can’t make and 11 it can
Complete protein: animal foods and soy
Incomplete proteins: plant foods
Must pair 2 foods together: beans and rice
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10. Vitamins Are complex organic substances
Normal growth, maintenance, and reproduction
Your body cannot produce all vitamins you can get those by eating a nutritious diet.
Fat-soluble vitamins: carried in fatty parts of foods and dissolve in fats (body stores them in fat... build up can be dangerous)
Water-soluble vitamins: dissolve in water (body does not store them)
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11. Fat-Soluble Vitamins Vitamin A Vitamin D Vitamin E Vitamin K
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12. Water-Soluble Vitamins
Vitamin B-Complex
Thiamin (vitamin B1)
Riboflavin (vitamin B2)
Niacin (nicotinamide, nicotinic acid)
Vitamin B6 (pyridoxine, pyridoxal, pyridoxamine)
Folacin (folic acid)
Vitamin B12
Vitamin C
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13. Minerals
In addition to vitamins your body also needs 15 minerals that help regulate cell function and provide structure for cells. Major minerals, in terms of amount present, include calcium, phosphorus, and magnesium. In addition, your body needs smaller amounts of chromium, copper, fluoride, iodine, iron, manganese, molybdenum, selenium, zinc, chloride, potassium and sodium.
Amounts needed for most of these minerals is quite small and excessive amounts can be toxic to your body.
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14. Water
Water is your body's most important nutrient, is involved in every bodily function, and makes up % of your total body weight. Water helps you to maintain body temperature, metabolize body fat, aids in digestion, lubricates and cushions organs, transports nutrients, and flushes toxins from your body.
Everyone should drink at least 64 ounces per day, and if you exercise or are overweight, even more. Your blood is approximately 90% water and is responsible for transporting nutrients and energy to muscles and for taking waste from tissues.
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16. Nutrients that have Calories:
Proteins
Carbohydrates
Fats
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17. Definition of a Calorie:
A unit of measure for energy in food
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18. Calories per gram:
Protein 1 Gram = 4 calories Carbohydrates 1 Gram = 4 calories Fat 1 Gram = 9 calories
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20. The END!!
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