essential nutrients for optimal growth and good health
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Essential Nutrients for Optimal Growth and Good Health. Essential Nutrients (EN). Essential Nutrients Required for health; obtained from our diet Body cannot make enough, or any of the nutrient. Non Essential Nutrients Required for health Body can make enough to meet our needs

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essential nutrients en
Essential Nutrients (EN)

Essential Nutrients

Required for health; obtained from our diet

Body cannot make enough, or any of the nutrient

  • Non Essential Nutrients
    • Required for health
    • Body can make enough to meet our needs
    • e.g. creatine, lecithin, cholesterol etc.
essential nutrients n 6
Essential Nutrients (N=6)

Carbohydrate organic (o), energy (nrg)

Lipid (fats/oils) o, nrg

Protein o, nrg, contains nitrogen

non-preferred nrg source

Vitamins o, not an nrg source

Minerals inorganic (i), not an nrg source

Water major component body wt. most acutely needed EN

Note: organic(o) = contains carbon

evaluating dietary quality
Evaluating Dietary Quality
  • Define these terms
    • Nutrient Dense (ND) - many nutrients/gram of food
    • Calorie Dense (CD) - many calories/gram of food
    • Empty Calorie (EC) - very few nutrients/calorie of food
caloric density calories wt of food
Caloric Density: calories/wt of food

90 calories/lb

1200 calories/lb

And that is without cream cheese!

food comparison nd cd ec
Food Comparison: ND-CD-EC

Cal Prot Fiber Vit Min

  • Almonds 210 7.6 4.1 √ √

¼ cup

  • Carrots 15 0.25 1.2 √ √

4 baby

  • Sugar 150 0.00 0.0 0.0 0.0

3T.(=9 t.)

~ 35-40 gram portion

ND/CD

ND

EC

evaluating diet quality
Evaluating Diet Quality
  • Using ND, CD and EC, describe the type of diet you advise to reach each goal.
  • Be ready to explain your choice.
    • A healthy college student trying to lose 10 pounds
    • A competitive athlete desiring weight gain
    • A healthy 5 year old child
    • Someone recovering from burn/injury/surgery
    • A healthy elderly woman who uses a walker
energy nutrients
Energy Nutrients

Carbohydrate (4 calories/g)

Lipid (9)

Protein (4)

Reminder:

Alcohol provides

energy but

is NOT an EN

energy nrg nutrients
Energy (nrg) Nutrients

NRG nutrients are:

organic

contain carbon

can be burned (oxidized) to make ATP**

** ATP is the fuel cells use to do their work.

NRG nutrientsATP

(fuel from food) cellular(fuel for cells)

respiration

energy nrg nutrients1
Energy (nrg) Nutrients

NRG nutrients are:

organic

contain carbon

can be burned (oxidized) to make ATP**

** ATP is the fuel cells use to do their work.

NRG nutrientsATP

(fuel from food) cellularWhat does the P stand for?

respiration Is it essential?

cellular respiration equation
Cellular Respiration Equation

NRG nutrient + O2 H2O + CO2 + ATP + heat

  • Typically these reactions only happen in a special part of acell (mitochondria).
  • There is also a bit of ATP produced in other ways.
respiration vs photosynthesis
Respiration vs. Photosynthesis

Cellular respiration (animal function)

nrg nutrient + O2 H2O + CO2 + ATP + heat

(C, P, L) (nrg)

Photosynthesis (green plant function)

solar nrg+ H2O + CO2 nrg nutrient* + O2

(*glucose, a type of carb)

plants
Plants!!!!!
  • Ultimately all Calories are solar in origin
  • Green plants convert solar energy to nrg nutrients
  • Plants + helper organisms

capture Nitrogen form we use

(amino acids)

Food security is intimately

tied to the health of

the environment!

next class
NEXT CLASS
  • Please bring a food label to class......

a food product you actually eat not candy or gum 

  • See website for lecture notes and handouts
  • Try a new veggie this weekend!!!
partner up think and answer
Partner Up, Think and Answer!
  • What is the most vital component of food production?
  • Name the essential nutrients. Which give us energy?
  • Why is an orange more nutrient dense than OJ?
  • Which EN has the most Calories/gram?
  • Compare and contrast the substrates of cellular respiration and the products of photosynthesis.
  • What is the form of NRG the cell can use?
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