Nutrition. Nutrition - What’s the big deal? One: YOU need to be healthy Eating a well balanced...
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Transcript of Nutrition. Nutrition - What’s the big deal? One: YOU need to be healthy Eating a well balanced...
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Nutrition
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Nutrition - What’s the big deal?
One: YOU need to be healthy Eating a well balanced diet is important to
achieving and maintaining good health
Two: YOU may need to supply nutritional counseling Responsible to present prove information &
advice that will be helpful to a patient
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NutritionDiet: deals with
food that is taken into the mouth
Adequate diet: meets (in full) all nutritional needs & provides some degree of protection
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Digestion: process by which food is converted into nutrients for the body to use
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Nutrition Nutrients:
Substances conveying nourishment to be utilized by the body in growth, repair tissues, energy, regulating & maintaining body processes
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NutritionNutrition: Process by which an
individual utilizes these food materials to meet body needs
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NutritionUnder nutrition: particularly in the young
– may inhibit growth and delay maturation – not receiving enough nutrients
Over nutrition: such as eating too much or eating the wrong foods, may need lead to obesity and its may related diseases
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Classification of Nutrients
Key Nutrients: Water VitaminsMineralsFatsProteinsCarbohydrates
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Good Nutrition
Depends on: team work of key nutrients Each has a specific role in building,
maintaining, & operating the body Extra of one does not make up for shortage
of another Deficiency of one may interfere with
maximum use of others
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Carbohydrates
Primary source of energy Facilitate use of fats
Two types: Complex carbohydrates – mainly found in
vegetables, fruits, & grains Refined Carbohydrates – found in sugars, syrup,
jelly, baked goods & other sweets
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Proteins Important nutrients – fundamental structural
material of every cell Only nutrients that can repair or build new tissue. Proteins are used in manufacturing hormones,
enzymes, & building antibodies Sources: meat, fish, poultry,
eggs, cheese, dried beans,
peanut butter,
whole grain bread & cereal
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Key NutrientsWater:
Essential - live longer w/out food than water
Acts as a solvent Part of body tissue Regulate body temp
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Key NutrientsVitamins
Organic substances necessary in minute amounts for proper growth, development, optimal health.
Formation of blood cells, hormones, genetic material nervous system chemical.
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Fat-Soluble VitaminsVitamin A
Food Sources: whole milk, butter, cream, liver, dark leafy vegetables
Functions: Dim light vision, maintains mucous membranes, growth & development of bones, healthy skin
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Fat-Soluble Vitamins Vitamin D – can be manufactured by body
when exposed to Ultraviolet rays Food Sources: Eggs, liver, fortified milk, Functions: Bone growth, healthy tooth
development Vitamin E – related to aging
Food Sources: Margarines, Salad dressing Functions: Antioxidant, Skin conditioning
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Fat-Soluble VitaminsVitamin K – promotes formation of
prothrombine, stored in liver Food Sources: Milk, egg yolk, liver,
green leafy vegetables, Cabbage Functions: Blood clotting & coagulation
Fat Soluble vitamins are stored in body fat and are not destroyed by cooking.
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Water SolubleVitamin C (ascorbic acid)-balanced
through Kidney, excreted by body daily Food Sources: Fruits – all citrus, Plants
– Broccoli, Tomatoes, Brussels sprouts, Potatoes
Functions: Prevents Scurvy, Formation of collagen, healing of wounds,release of stress hormones, Absorption of Iron.
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Water SolubleVitamin B complex – Excreted by body
daily Classified in group – work together, each has own distinction (see table 5-3 pg 73 in text book)
Some nutrients are lost from cooking foods that contain water soluble vitamins
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Minerals
Inorganic substances necessary in minute amounts for proper growth, development and optimal health
Give rigidity to the structure of bones & teeth Work together and important to maintain a
balance to prevent deficiencies
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Minerals
Major: Sodium Calcium Potassium Sulfur
Trace: Copper Chromium Molybdenum ???
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Cariogenic Carbohydrate containing foods contain the
nutrients used by some bacteria Bacteria in plaque uses nutrients in sugary
foods to produce acid Frequency and duration of eating sugary
substances may be more important than the quantity.
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Nutritional Planning
Meet the body’s nutritional requirement & caloric needs
Dentally undesirable diet components should be considered
Cariogenic foods are high in calories and low in nutrients – intake will automatically be controlled when other nutritional needs are met first.