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Nutrition

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Title: Nutrition


1
Nutrition
  • Chapter 8

2
  • As Americans we love to get our moneys worth!

3
The Big Texan Steak RanchAmarillo, TX
  • Almost 42,000 people from around the world have
    traveled to Amarillo and attempted to eat the
    specially cut 72-oz. top sirloin steak, a baked
    potato, salad, dinner roll and shrimp cocktail. 
    About 8,000 have succeeded in completing the feat
    and joining the ranks of Big Texan champions.
  • Last year higher market prices for cattle pushed
    the price to 72.00 for the meal.

4
Pointers PizzaSt Louis, MO
  • For years now, Pointers has offered a 500 prize
    to any two-member team who can demolish an entire
    10-pound, two-meat-topping, 28-inch pizza in an
    hour without leaving the customer area. Teams
    must call at least a day in advance and cannot
    compete during lunch or dinner rushes. A pair of
    recent winners advise ordering lean toppings such
    as turkey and chicken, lest nausea become a
    disqualifying factor. The Pointersaurus Challenge
    costs 42, but the pizza sells briskly for
    parties and office lunches at 35 for a cheese
    pizza and 5 for each topping

5
Ben Jerrys
  • Vermonster
  • 20 scoops of ice cream (4.5 pounds)
  • 10 scoops of chopped walnuts
  • 5 scoops of fresh whipped cream
  • 4 scoops of hot fudge
  • 5 chocolate chip cookies
  • 2 scoops of MMs
  • 2 scoops of Reeses
  • 2 scoops of chocolate jimmies
  • 1 giant homemade brownie

6
The Big Mac
7
Lone Star
  • Typical Meal
  • How many portions?

8
Portion Sizes
  • 1 tsp margarine the tip of your thumb
  • 1 oz. cheese your thumb, four dice stacked
    together
  • 3 oz. chicken or meat deck of cards
  • 1 c. pasta tennis ball
  • 2 T. peanut butter large marshmallow
  • 1 medium potato computer mouse
  • 1 medium fruit baseball
  • ¼ c. nuts golf ball
  • 2 oz. bagel yo-yo or hockey puck
  • Small cookie or cracker poker chip

9
Nutrition
  • Is the study of food and how our bodies use food
    as fuel for our body and our health.
  • There is a link between lifetime nutritional
    habits and these diseases
  • Heart disease
  • Cancer
  • Stroke
  • Diabetes

10
Foods Are Composed Of
  • Carbohydrates
  • Proteins
  • Fats
  • Vitamins
  • Minerals
  • Water
  • ESSENTIAL NUTRIENTS The nutrients that we must
    include in our diet. Our body does NOT
    manufacture them.

11
Nutrition
  • Foods are various combinations of these
    nutrients.
  • Example- meat is a lot of protein, water, fat,
    vitamins, minerals, but very little CHO.
  • Energy (the ability to do work) for the body is
    supplied by every bite that you eat.
  • Nutrients are released into the body by the
    process of digestion, which breaks down food into
    compounds that can be used by the body.

12
Nutrients
  • Food provides two different and distinct groups
    of nutrients
  • Macronutrients (macro big) CHO, protein,
    fats, water
  • Micronutrients (micro small) vitamins and
    minerals

13
Best Choices
14
Six Classes of Essential Nutrients
15
Ideal Eating Plan
  • Recommendations
  • Protein 10-35
  • CHO 45-65
  • Fat 20-35
  • Saturated Fat lt 7-10
  • Monounsaturated Fat - Up to 20
  • Polyunsaturated Fat Up to 10

16
Six Classes of Essential Nutrients
17
Nutrition
  • Alcohol Although alcohol is not an essential
    nutrient, it does provide energy.
  • 7 Calories/gram
  • Calories are the potential energy for the body
    to produce work.
  • One Kcal represents the amount of heat it
    takes to raise the temperature of 1 kg of water 1
    degree Celsius.

18
Carbohydrates
  • Are organic compounds composed of carbon,
    hydrogen and oxygen.
  • Found mostly in plant sources. The only animal
    source is milk.
  • CHO are our brain food and some cells in the
    nervous system only use CHO as fuel. They do not
    utilize fat.
  • CHO also used during high-intensity exercise.
  • AT LEAST 55 of our total calories should come
    from CHO, with no more than 10-15 of these from
    simple CHO sources.

19
Carbohydrates
  • They are classified as simple or complex.
  • Simple are sugars, complex are starches or fiber.

20
Simple Carbohydrates
  • Sugars and starches occur naturally in many
    foodsincluding milk, fruits, some vegetables,
    bread, cereals, and grains.
  • These foods, however, provide many important
    nutrients.
  • On the other hand, so-called added sugars-supply
    added calories, but few nutrients.
  • Foods rich in added sugars include things like
    soft drinks and desserts.

21
Leading Sources of Calories in the American Diet
  • 1. Regular soft drinks (7.1 of total calories)
  • 2. Cake, sweet rolls, doughnuts, pastries
    (3.6)
  • 3. Hamburgers, cheeseburgers, meat loaf (3.1)
  • 4. Pizza (3.1)
  • 5. Potato chips, corn chips, popcorn (2.9)
  • 6. Rice (2.7)
  • 7. Rolls, buns, English muffins, bagels (2.7)
  • 8. Cheese or cheese spread (2.6)
  • 9. Beer (2.6)
  • 10. French fries, fried potatoes (2.2)
  • Source Block, G. 2004. Foods contributing to
    energy intake in the U.S. Data from NHANES III
    and NHANES 19992000. Journal of Food Composition
    and Analysis 17 439447.

22
Choose Sensibly
  • How much sugar is added to this???

23
Choose Sensibly
  • A sugar by any other name
  • Read the label to locate hidden sugars in the
    foods you consume.
  • Sugars are listed by many different names,
    including brown sugar, corn sweetener, corn
    syrup, fructose, fruit juice concentrate, glucose
    or dextrose, high-fructose corn syrup, honey,
    lactose, maltose, molasses, raw sugar, table
    sugar, or sucrose, and syrup.
  • If one of these appears near the top of the
    ingredients list, the food is probably high in
    added sugars.

24
Sugar
  • Study in Annual Review of Nutrition found that
    women ages 20-39 increased their daily caloric
    intake from 1,652 to 2,028 (376 more calories).
  • Also during this time they the calories from
    protein and fat. Primarily sugar intake
    increased.
  • We now consume an additional 25 lbs./year of
    sugar that previous years.

25
High Fructose Corn Syrup
  • Created in 1967, a combination of fructose and
    glucose
  • Cheaper and 1.16 times sweeter than cane-derived
    sugar
  • 1970 HFCS was in 1 of products
  • 2000 HFCS in 42 of products
  • According to 2008 USDA report 57 of all sugar
    on the market is purchased by food and beverage
    industry.

26
Sugar
  • Average American intake of added sugars males-22
    tsps., females, 16 tsps.
  • This does not include naturally occurring sugars
    found in foods such as milk and fruits.
  • The USDA recommendation
  • 1600 calories/day no more than 6 tsp/day
  • 2200 calories/day no more than 12 tsp/day
  • 2800 calories/day no more than 18 tsp/day

27
Chocolate Shake
28
Complex Carbohydrates
  • Complex carbohydrates consist of chains of many
    sugar molecules
  • Found in plants, especially grains, legumes, and
    tubers
  • Include starches and most types of dietary fiber

29
Whole Grains
  • Before they are processed, all grains are whole
    grains consisting of an inner layer of germ, a
    middle layer called the endosperm, and an outer
    layer of bran
  • During processing, the germ and bran are often
    removed, leaving just the starchy endosperm
  • Refined carbohydrates usually retain all the
    calories of a whole grain but lose many of the
    nutrients

30
Whole Grains
  • Whole grains are higher than refined
    carbohydrates in fiber, vitamins, minerals, and
    other beneficial compounds
  • Whole grains take longer to digest
  • Make people feel full sooner
  • Cause a slower rise in glucose levels
  • Choose 3 or more servings of whole grains per day

31
Complex Carbohydrates
  • Complex CHO are broken down through digestive
    processes to glucose for use by the body.
    Glucose remains in the blood and some is
    converted to glycogen and is stored in the liver,
    muscles, and kidneys.
  • The body can pack about 400 gr. of glycogen.
    Together with glucose stored, there are about of
    1,800 calories of energy.
  • Diets low in CHO promote lean tissue and water
    loss. Each gram of glycogen is stored with 2-3
    grams of water. Thus low CHO intake leads to
    water loss.

32
CHO and Energy
  • Glucose is then carried into your cells with the
    help of insulin, a hormone secreted by your
    pancreas.
  • Remember. . .with oxygen, glucose is converted to
    ATP in the mitochondria of the cell.
  • Without oxygen, red blood cells change glucose to
    energy (ATP), but lactic acid is a byproduct.

33
CHO Uses
  • CHO also protect muscles. When you need energy
    the body looks for CHO first.
  • If none are available, because you are on a low
    CHO diet or you have a condition the inhibits the
    body from using CHO, the body will use its own
    protein tissues (muscles).
  • CHO also
  • Regulate the amount of sugar circulating in the
    blood, so that your cells get the energy they
    need.
  • Provide nutrients for the friendly bacteria in
    the intestinal tract that help digest food.
  • They help the body absorb calcium.
  • They help to lower cholesterol levels and
    regulate blood pressure, especially fiber.

34
Where do we get CHO?
  • Most important sources of CHO are plant foods
    fruits, vegetables, and grains.
  • Milk and milk products do contain CHO.
  • Meat, fish and poultry do not have CHO.
  • You need
  • 6-11 servings /day of grain foods (bread,
    cereals, pasta, rice)
  • 2-4 servings of fruit
  • 3-5 servings of vegetables

35
Glycemic Index
  • Glycemic Index Is the measure of how strong of
    an effect a CHO food has on blood glucose levels.
  • A high glycemic index CHO tends to cause a quick
    and dramatic rise in glucose and insulin levels.
    High glycemic foods can increase appetite, and
    are linked to increased diabetes and heart
    disease.

36
Glycemic Index
37
Source of Glycemic Index Chart Diet Information
38
FiberA Closer Look
  • Dietary fiber non-digestible carbohydrates and
    lignin that are present naturally in plants
  • Functional fiber non-digestible carbohydrates
    isolated from natural sources or synthesized in a
    lab and added to a food or supplement
  • Total fiber dietary fiber functional fiber

39
Types of Fiber
  • Soluble (viscous) fiber fiber that dissolves in
    water or is broken down by bacteria in the large
    intestine
  • Slows the bodys absorption of glucose
  • Binds cholesterol-containing compounds
  • Sources pears, apples, prunes, oat, oranges,
    zucchini

40
Types of Fiber
  • Insoluble fiber fiber that doesnt dissolve in
    water
  • Makes feces bulkier and softer
  • Helps prevent constipation, hemorrhoids, and
    diverticulitis
  • Sources bran (outer layer of wheat/corn), the
    skins of fruit and root vegetables, and leafy
    greens
  • Fiber adds no calories to your diet. There is no
    fiber in meat, fish, poultry, milk, milk products
    and eggs.

41
Recommended Intake of Fiber
  • Women 25 grams per day
  • Men 38 grams per day
  • Americans currently consume about half this amount

42
Why Do We Need Fiber?
  • Fiber helps to speed the passage
  • of waste through the intestinal
  • tract which lowers the risk of
  • cancer because any potential
  • carcinogens are moved out quickly.
  • Water-soluble fiber binds with cholesterol in the
    intestinal tract and blocks the absorption and
    helps the body release it. Thus, a lower total
    cholesterol level!!
  • Less cholesterol means less risk of heart disease!

43
Refined vs. Unrefined Fiber
  • The processing of package foods can remove fiber.
  • REFINED CHO Retain all the calories, but are
    lower in fiber, vitamins, and minerals.
  • UNREFINED CHO (Whole Grains) Take longer to chew
    and digest and enter the blood more slowly.
    Thus, you feel fuller longer, more anti-oxidant
    vitamins and phytochemicals and decrease risk of
    diabetes.
  • Example Long grain rice vs Minute Rice

44
Carbohydrates
  • Recommended to consume 45-65 (275-300 grams) of
    total calories as CHO, with not more than 10
    from simple CHO. Athletes may need more,
    especially endurance athletes! Marathoners CHO
    load right before the event because they exercise
    for longer than 90 minutes.
  • Choose fresh fruits, vegetables, and whole grains
    to fuel the body!

45
12 Great Foods Center for Science in the Public
Interest
  • Whole Grains (bread, pasta)
  • Beans
  • Brown rice
  • Oatmeal
  • Sweet potato
  • Baked potato
  • Broccoli
  • Spinach/kale
  • Strawberries
  • Oranges (orange juice)
  • Cantaloupe
  • Skim milk (yogurt)
  • How many are carbohydrates??

46
FATS (Lipids)
  • The most concentrated source of energy. We store
    50 times more energy in the form of fat, than in
    CHO.
  • 3500 calories 1 pound of fat.
  • The body burns fat as an energy source for
    periods of rest and low to moderate physical
    activity. About 70 of the energy we need comes
    from fat, 30 from glucose, except for high
    intensity work.
  • Function of fats
  • Insulation
  • Cushion body organs
  • Provide energy
  • Vitamin storage (fat soluble A, D, E, K)
  • Add flavor and texture to foods.
  • Some fat is invisible, as it is tucked in and
    around our organs. It is a part of every cell
    membrane. Brain tissue is also rich in fat.

47
Fats in Food
  • Food contains 3 kinds of fats triglycerides,
    phospholipids and sterols.
  • Triglycerides are the fats you use to make
    adipose tissue and what you burn for energy.
  • Phospholipids help to carry hormones and vitamins
    through the blood and across cell membranes.
  • Sterols are fat and alcohol compounds with no
    calories.
  • Vitamin D, testosterone and cholesterol are
    sterols.

48
Right Amount of Fat
  • Balance must occur to get the right amount of fat
    in your healthy eating plan.
  • Too much risk of obesity, diabetes, heart
    disease, cancers
  • Too little infants and children do not grow,
    not able to absorb A, D, E, K that help with
    vision, smooth skin, immune system and
    reproductive organs
  • Fat should make up lt30 of calories, with no more
    than 10 from saturated fat sources.
  • For 2000 cal./day that would be 600 calories or
    fewer from fat and 200 calories or fewer of that
    from saturated fat.

49
Foods and Fats
  • Fruits and vegetables have only traces of fat,
    primarily unsaturated fatty acids.
  • Grains have very small amounts of fat.
  • Dairy products vary. Cream is high-fat. Whole
    milk and cheeses are moderately high in fat.
    Skim milk and skim milk products are low fat
    foods. Most fat in dairy is saturated.
  • Meat is moderately high in fat mainly
    saturated.
  • Chicken and turkey are lower in fat.
  • Fish may be high or low, but is primarily
    unsaturated fatty acids.
  • Vegetable oils, butter and lard are high fat.
    Most oils are unsaturated. Lard and butter are
    saturated.

50
FATS
  • Triglycerides are the most abundant type of fat
    98 of the fat eaten and stored in the body.
  • Triglycerides are composed of a glycerine
    molecule (an alcohol) plus three fatty acid
    chains. Fatty acids are the building blocks of
    fats.
  • Fatty acids are made up of a chain of carbon
    atoms with oxygen attached at the end and
    hydrogen atoms attached along the length of the
    chain.

51
Types and Sources of Fats
  • Saturated fat a fat with no carbon-carbon
    double bonds usually solid at room temperature
  • Found primarily in animal foods and palm and
    coconut oils, dairy products, baked goods,
    Crisco, butter.
  • Monounsaturated fat a fat with one
    carbon-carbon double bond usually liquid at room
    temperature
  • Sources Avocados, canola oil, cashew nuts,
    olives, olive oil, peanuts, peanut oil, peanut
    butter, almonds, pecans
  • Polyunsaturated fat a fat with two or more
    carbon-carbon double bonds usually liquid at
    room temperature
  • Found in certain vegetables, fatty fish, corn
    oil, cottonseed oil, filbert nuts, safflower
    oil, sunflower oil, soybean oil, walnuts.

52
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53
Choose Sensibly
54
Types and Sources of Fats
  • Two key forms of polyunsaturated fats
  • Omega-3 fatty acids are produced when the endmost
    double bond of a polyunsaturated fat occurs three
    carbons from the end of the fatty acid chain
  • Found primarily in fish
  • Omega-6 fatty acids are produced when the endmost
    double bond of a polyunsaturated fat occurs six
    carbons from the end of the fatty acid chain
  • Found primarily in certain vegetable oils,
    especially corn, soybean, and cottonseed oils

55
Omega-3 Fatty Acids
  • Promotes heart health. May prevent blood clots,
    aids heart to beat in a steady rhythm, reduces BP
    and risk of heart attack and stroke.
  • Recommended to have two or more servings of
    fish/week. Examples salmon, tuna, trout,
    mackerel, sardines and anchovies.
  • Plant sources include dark green leafy
    vegetables, walnuts, canola oil and flax seeds.

56
HYDROGENATION
  • The process of adding hydrogen to an oil to
    improve the texture of foods and increase the
    shelf life. (Trans Fatty Acids)
  • Turns a liquid into a solid. Example vegetable
    oil converted to margarine.
  • Trans fats are found in cookies, crackers, fried
    chicken, peanut butter, pies, cakes, French fries
    and many more.
  • Studies have shown that gram for gram, trans
    fats are more harmful than saturated fats.
  • Trans fat connected to development of heart
    disease. (Raises LDL, lowers HDL). Heart disease
    risk could be cut in half by reducing trans fats
    by 4 grams/day.
  • Read the nutritional labels look for
    partially-hydrogenated vegetable oils, which
    tells you it has trans fat in it!
  • Choose liquid oils over margarine or shortening
    for cooking. Look for trans-free soft margarine
    over stick margarine.

57
Saturated and Trans Fats Comparing Butter and
Margarine
SOURCE Food and Drug Administration
58
Total, Saturated, and Trans Fat Content of
Selected Foods
SOURCE Food and Drug Administration
59
Choose Sensibly
60
FATS
  • Two Essential FA Linoleic fatty acid (plant
    foods omega-6 family) and alpha-linolenic fatty
    acid (fish omega-3 family) Deficiencies are
    rare in U.S.
  • Recommended that lt30 of total calories come from
    fat sources, with no more than 7-10 from
    saturated fat, up to 10 from polyunsaturated
    fats, and up to 20 from monounsaturated sources.
  • Average American consumes 33 (or 75 grams) of
    calories from fat.

61
Cholesterol
  • Is a type of fat (sterol) found in animal
    products only.
  • Also manufactured in the body in the liver.
  • Cholesterol does help enable nerve to send
    messages back and forth protects the integrity
    of cell membranes helps to absorb Vit. A,D,E,K,
    is a base to build hormones such as estrogen and
    testosterone.
  • But. . . high levels of cholesterol are linked to
    coronary artery disease.
  • RDA for dietary cholesterol is less than 300
    mg./day.

62
Protein
  • Protein comes from the Greek word, protos,
    meaning of prime importance.
  • Proteins are a major component of all plant and
    animal tissues, second only to water.
  • Our bodies constantly assemble, break down and
    use proteins.
  • When we eat more protein than we need, the excess
    is either used to make energy or stored as fat.

63
Protein
  • Protein mainly associated with animal foods
    beef, chicken, fish, or milk.
  • But, plant foods also have protein. Dried beans
    and peas, grains, nuts, seeds and vegetables.

64
Protein
  • Human body is full of proteins.
  • There are proteins in the outer and inner
    membranes of every living cell.
  • Hair, nails, and outer layers of skin are made of
    the protein, keratin.
  • Muscle tissue contains proteins.
  • Bone has lots of protein in the inner structure.
  • RBC have hemoglobin (carries oxygen in blood) and
    globin is protein.

65
PROTEIN
  • Are complex chemical structures containing
    carbon, hydrogen, oxygen and nitrogen combined
    into chains called amino acids.
  • Amino Acids are the building blocks of protein,
    or links to create protein.

66
Uses of Protein
  • Proteins from foods are broken down into amino
    acids by digestive enzymes.
  • Body has 20 different amino acids in foods to
    choose from when building sequences of AA.
  • 9 of the amino acids are essential because they
    cannot be manufactured in the body, only obtained
    through foods.
  • Body can manufacture the other nonessential 11.
  • When AA link together to form a protein, their
    characteristics work together to determine their
    specific function.

67
PROTEIN
  • COMPLETE PROTEIN High quality protein that
    provides all nine essential amino acids.
  • Examples Meat, poultry, fish, eggs, milk,
    cheese, soybeans
  • Plant sources are usually low in 1 or 2 amino
    acids.
  • INCOMPLETE PROTEIN Low quality protein that
    supply only some of the 9 essential proteins.
  • Examples Beans, peas, nuts
  • Come from plant sources.
  • Foods can be mixed and matched to produce
    complete proteins. Example Peanut butter
    sandwich on whole wheat rice and beans cheese
    sandwich on whole wheat yogurt with nuts.

68
Protein Sources
  • 3 ounces lean meat, poultry, or fish
  • 1/2 cup tofu
  • 2025 grams of protein
  • 1 cup legumes
  • 1520 grams of protein
  • 1 cup milk or yogurt or 1-1/2 ounces cheese
  • 812 grams of protein
  • Cereals, grains, nuts, vegetables
  • 24 grams of protein per serving

69
Protein Requirements
  • Need around 15 of total calories from protein or
    0.8-1.0 grams/kg of body weight. (0.4
    grams/pound)
  • On a 2000 calorie/day plan that would be about
    300 calories (4 cal./gram)
  • About 2/3 of protein intake in the American diet
    is from animal sources, also high in saturated
    fat/cholesterol.
  • 175 lb. man needs about 63 grams/day. This would
    be two or three 3-ounce servings of lean meat,
    fish, poultry. (21 grams/3-ounce serving)

70
WHO NEEDS EXTRA PROTEIN?
  • Anyone who is building new tissue quickly needs
    more than 0.8 grams.
  • Infants many need as much as 2.0 grams/kg
  • Adolescents need as much as 1.2 grams/kg
  • Pregnant women need an extra 10 grams/day. Those
    who are nursing need an extra 15 grams/day in the
    first 6 months.
  • Injuries may increase your protein needs,
    especially if there has been a lot of blood loss,
    as the protein is needed to make new hemoglobin.
  • Athletes?? Research suggests that athletes
    easily meet their requirements about an
    additional 0.5-0.8 gr./kg per day in their normal
    diet.
  • You cannot force your body to build muscle by
    pumping in more protein than you need, any more
    than you can make your car run faster by adding
    more gas to a full tank. Extra protein does not
    build muscles only regular workouts fueled by a
    mix of nutrients can do that!!

71
Athletes
  • For resistive training athletes 1.7 to 1.8
    gr./kg
  • For endurance athletes 1.2 to 1.4 gr./kg.
  • Average American consumes almost twice as much
    protein as they need, so most athletes already
    get enough.
  • Consuming larger than normal amounts of protein
    does not enhance physical performance, as that is
    not the function of protein.
  • Protein supplements???? If excess protein means
    excess calories, then fat weight, not muscle
    weight is gained.
  • Purified protein supplements can contribute to
    calcium losses and therefore harm bone health.
  • Excess protein means excess nitrogen that must be
    excreted, a risk for dehydration.
  • Supplements of some single amino acids can
    interfere with absorption of other amino acids.
  • THUS A HEALTHY DIET WILL FUEL YOUR EXERCISE!

72
Guilt Free Nutrition Packed with Milk Chocolate,
Peanuts, Caramel! Maybe that's hard for you to
swallow. After all, you've bit on this kind of
hype before and chewed your way through dozens of
nutrition bars. What you remember is the texture
and a bitter aftertaste. Well, those days are
over. Now there's one health bar that tastes so
good, you'll swear it's bad for you. No kidding.
It's that good. Oh Yeah! Bars are jam packed with
protein and loaded with roasted peanuts. After
all that it's drizzled with soft caramel and
surrounded by creamy milk chocolate. One bite and
you'll understand the bar got it's name! Oh Yeah!
FACTS Protein 26 gr x 4 104 cal./380 27
protein Fat calories 180/380 47 fat
73
VITAMINS
  • Vitamins are organic (containing carbon)
    compounds required in small amounts to regulate
    cellular functions.
  • Vitamins do not provide energy, but help to
    release stored energy in CHO, fats, protein.
    Vitamins also critical in production of red blood
    cells and maintenance of nervous, skeletal and
    immune systems. Vitamins prevent nutritional
    deficiency diseases and promote healing and good
    health.
  • Most are obtained through the diet, except for
    Vitamin D (obtained through sunlight) and Vitamin
    K which the body can produce from bacteria in the
    intestines.

74
Vitamins
  • Humans need 13 vitamins. They are classified as
    fat-soluble or water-soluble.
  • Fat-soluble (dissolve in fat) are A, D, E, K and
    are stored for long periods in fat tissue and
    liver. Over-consumption can lead to toxic
    effects.
  • Water-soluble are 8 B-complex vitamins and C.
    They are absorbed directly into the blood, used
    or excreted. Need to be replaced frequently.
  • B-complex include biotin, folate, niacin,
    pantothenic acid, riboflavin, thiamine B6, and
    B12
  • Vitamin Sources are abundant in fruits,
    vegetables and processed foods such as cereals
    which have been enriched with vitamins.
  • Limit cooking to preserve nutrients and eat fresh
    fruits/veges when possible.

75
A, D, E, K
  • Vitamin A moisturizing nutrient for skin and
    membranes. Vision vitamin. Promotes growth of
    healthy bones and teeth. Helps immune system
    fight off infections. Sources whole milk,
    eggs, butter yellow, red, dark green
    fruits/vegetables.
  • Vitamin D Is essential to help body absorb
    calcium for bones and teeth. Sources sunlight,
    fish oils, egg yolks
  • Vitamin E Helps to maintain a healthy
    reproductive system, nerves, muscles. Helps
    maintain a healthy heart. Sources vegetable
    oils, nuts, whole grains, green leafy vegetables.
  • Vitamin K Blood clotting. Helps to make bone
    and kidney tissues. Sources dark green leafy
    vegetables, cheese, liver cereals, milk.

76
MINERALS
  • They are inorganic (non-carbon containing)
    substances that exist freely in nature. They aid
    in growth and maintenance of body tissues, normal
    heart rhythm, body water supplies, acid-base
    balance of the blood and nerve impulse conduction.

77
Minerals
  • There are at least 17 essential minerals.
  • Major Minerals (required in amounts exceeding 100
    mg) Calcium, phosphorous, potassium, sulfur,
    sodium, chloride, and magnesium.
  • Trace minerals (required in smaller amounts)
    include fluoride, iron, selenium, zinc, arsenic,
    boron, chromium, cobalt, copper, iodine,
    manganese, molybdenum, nickel, silicon, and
    vanadium.
  • Minerals most commonly lacking in the diet are
    iron and calcium.
  • Sodium, potassium and chloride are the primary
    minerals lost through perspiration. Potassium is
    essential for maintenance of the heart beat
    found in citrus fruits/juices, bananas, dates,
    nuts, fresh vegetables, meat, and fish.
  • Iron deficiency leads to anemia. Iron is an
    essential part of hemoglobin.
  • Calcium deficiency leads to osteoporosis.

78
ANTIOXIDANTS
  • Substances that help prevent harmful effects
    caused by oxidation within the body.
  • Free radicals or oxygen free radicals are
    unstable elements formed when the body uses
    oxygen or breaks down certain fats or protein as
    a normal part of metabolism.
  • Cigarette smoke, radiation (x-rays), alcohol,
    heat and certain pollutants also produce free
    radicals.
  • This unstable molecule is missing an electron and
    will react with any molecule it encounters to
    take an electron. This damages cell membranes
    and mutates genes. This can lead to aging,
    cancer, CVD, and degenerative diseases such as
    arthritis.

79
Antioxidants
  • Antioxidants react with free radicals and donate
    lost electrons. They help by blocking the
    formation and action of free radicals and repair
    the damage they cause.
  • Fruits and vegetables are rich in antioxidants!
    Examples Vit. C, A (beta-carotene), E and
    selenium. It is best to get the antioxidants
    from foods, not supplements.

80
PHYTOCHEMICALS
  • Phytochemicals means plant chemicals and are
    found only in plant food. They are not vitamins
    or minerals, but are a compound found to help
    prevent chronic diseases, especially cancers.
  • There are hundreds, maybe thousands of
    phytochemicals in fruits and vegetables. Some
    examples - Allyl Sulfides garlic, onions
    Isoflavones soybeans Polyphenols green tea,
    grapes Saponins beans and legumes.
  • Antioxidants are a particular type of
    phytochemical.

81
VEGETARIANISM
  • Many choose to follow a vegetarian diet.
  • Four types of vegetarian diets.
  • Vegans Considered true vegetarians. Diets are
    void of meat, chicken, fish, eggs or milk
    products. Vegans primary sources of protein are
    vegetables, fruits, and grains. Vegans may have
    to supplement diet with B12, normally found only
    in meat products.
  • Lactovegetarians Eat dairy products, fruits,
    and vegetables but do not consume other animal
    products (meat, poultry, fish or eggs)
  • Ovolactovegetarians They eat eggs as well as
    dairy products, fruits, and vegetables but do not
    consume meat, poultry, and fish.
  • Semivegetarians Eat fruits, vegetables, dairy,
    eggs, and a small selection of poultry, fish and
    other seafood. They do not consume any beef or
    pork.

82
Choose and prepare foods and beverages with
little salt (sodium)
  • The human body requires 500 mg Na/day.
  • Average American consumes about 4,000-6,000
    mg/day.
  • High Na intake associated with HTN.
  • USDA recommendation no more than 2,300 mg/day or
    about 1 tsp. NaCl/day.

83
Play it safe with food.
  • Know how to prepare, handle, and store food
    safely to keep you and your family safe
  • Clean hands, food-contact surfaces, fruits, and
    vegetables. To avoid spreading bacteria to other
    foods, meat and poultry should not be washed or
    rinsed.
  • Separate raw, cooked, and ready-to-eat foods
    while shopping, preparing, or storing.
  • Cook meat, poultry, and fish to safe internal
    temperatures to kill microorganisms.
  • Chill perishable foods promptly and thaw foods
    properly.
  • Keep food safe to eat.
  • Food-borne illness is caused by eating foods that
    contain harmful bacteria, toxins, parasites,
    viruses, or chemical contaminants.
  • S/S of having eaten unsafe food may appear within
    half an hour, or may not develop for up to 3
    weeks.

84
Meats
85
STEAK SHAKE
  • Rate the meals from least amount of total
    calories to most calories.
  • 1. The Original Double Burger
  • Regular French fry
  • Large Diet Coke with Cherry Syrup
  • 2. Turkey Melt
  • Baked Beans
  • Cup of Beef Vegetable Soup
  • Large Lemonade
  • 3. Chicken Taco Salad
  • Cookies Cream shake (regular)
  • 4. Chili 3-way
  • Small garden salad with honey French
    dressing
  • Hi-C Fruit Punch (regular)

86
The Results
  • Original Double
  • 1067 cal., 55 g. fat, 17.5 g. sat fat
  • Chili 3-way
  • 1077 cal., 53.5 g. fat, 20.5 g. sat fat.
  • Turkey Melt
  • 1645 cal., 77.5 g. fat, 18 g. sat fat.
  • Chicken Taco Salad
  • 1854 cal., 95.5 g. fat, 32 g. sat fat

87
Pizza Hut
  • Rate the meals from least amount of total
    calories to the most.
  • 1. 2 slices of hand-tossed pepperoni pizza
  • Medium Mt. Dew
  • 2. Breadsticks (2) with dipping sauce
  • Personal size Cheese pan pizza
  • Large Diet Pepsi
  • 3. 2 slices Thin crust Veggie Lovers Pizza
  • Medium Pepsi

88
The Results
  • 2 slices pepperoni pizza
  • 670 cal., 22 g. fat, 9 g. sat fat, 2 g. trans
    fat
  • 2 slices Veggie Lovers pizza
  • 700 cal., 20 g. fat, 9 g., sat fat
  • Personal size Cheese pizza
  • 960 cal., 39 g. fat, 13.5 g. sat fat., .5 g.
    trans fat
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