NTRI 2000 Lecture Notes - Lecture 6: Omega-3 Fatty Acid, Mypyramid, Saturated Fat

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5 Feb 2017
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NTRI 2000
Lecture 5
Chapter 2: Guidelines for Designing a Healthy Diet
Recommended dietary allowance (RDA)
o How many nutrients do people need to meet bodily needs
o Based on population
o Standard is set at 98% of the RDA
o If a population is eating at 70% or more of the RDA, the population is considered
healthy
Recommendations for food choice
o How do we translate the science of nutrition into practical terms (what and how
much we eat)?
o U“DA’s 95’s four asi food groups
Milk
Meat
Fruits and veggies
Bread and cereal
o Food guide pyramid
1992- plan was illustrated using a pyramid shape
“till has the sae groups as i the 95’s, eept fruits ad eggies are
now split into their own groups
Base of the pyramid has the number of servings, top has the least
From base to top:
o Grains, fruits and veggies, meat and dairy, fats and oil
Problems:
Bigger people need a greater amount of servings
Did’t reall defie hat eatl a serig is
o MyPyramid
2005- USDA introduced MyPyramid (steps to a healthier you)
This provided a more individualized approach to improving diet and
lifestyle
Goal: improve quality of life
Included not only food choices, but exercise
The logo: pyramid with stick figure running upstairs, represented
Interactive
Personalized
Activity with diet
Variety
Proportionality
Moderation
MyPyramid translated the newest nutritional advice into twelve separate
pyramids based on caloric need (1000-3200 kCal.)
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