Chapter 2, Planning a Healthy Diet

Chapter 2, Planning a Healthy Diet - Planning A Healthy...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
Planning A Healthy Diet 1. What is a healthy diet? 2. How much of each nutrient do you or groups of people need? 3. Know what the label reveals. 4. Planning and evaluating the: a. Dietary Guidelines b. Food Guide Pyramid c. Exchange Lists for Meal Planning 1. Dietary supplements and non-nutrients in foods
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What Is A Healthy Diet? Balanced - selecting foods from all the major food groups Moderation - controlling portion size Variety - choose different foods Adequacy-providing sufficient energy & nutrients to meet the needs of healthy people (A,B,Cs of a healthy diet)
Background image of page 2
Nutrient density Comparison of vitamin and mineral content to number of kcals Empty calories Provide kcals and few to no other nutrients Energy density Comparison of the kcal content to the weight of the food All Foods Are Not Created Equal
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Foods’ contribution to nutrient needs compared to contribution to energy needs utrient density 100-170kcal 86 -160 kcal
Background image of page 4
Dietary Reference Intake (DRI) Nutrient recommendations: physiological needs help prevent chronic diseases DRI set for all vitamins and minerals
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
DRIs Estimated Average requirements (EARs) - Nutrient intake estimated to meet the needs of 50% of the individuals in a certain age and gender group Recommended Dietary Allowances (RDAs) - nutrients that meet the needs of almost all healthy people of similar age and gender Adequate Intake (AI) – Not enough information available Based on observed or experimentally determined estimates Planned for children under the age of 1 Tolerable Upper Intake Levels (ULs) Maximum level of daily intake without causing adverse health effects Chronic daily use Not a goal, but a ceiling
Background image of page 6
Energy Recommendations Acceptable Macronutrient Distribution Range (AMDR) as % total Kcal CHO: 45-60 Fat: 20-35 Protein: 10-35 Estimated Energy Requirements An estimate of the amount of energy intake that will balance energy needs of an average person of specific gender, age and other considerations
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Various Kinds of evidence Depletion-Repletion Studies Nutrient Balance Studies Tissue saturation or molecular function Nutrient intakes of fully breast-fed infants Epidemiological observations Extrapolation of data from animal studies
Background image of page 8
Factors that influence nutrient requirements in different people Age Growth rate Health Previous nutritional intakes Physiological state (pregnancy, lactation)
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
DRIs not used on food label since gender and age specific FDA developed the Daily Values using two standards: Reference Daily Intake (RDI) for vitamins and minerals Daily Reference Value (DRV) for nutrients without RDAs Only used on food labels
Background image of page 10
RDI : Nutrients that have RDAs or other established standards DRVs : Nutrients that do not have RDAs or any other established standards Daily Values used on the food label
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Mandatory  components of food  labels The label must also 
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 50

Chapter 2, Planning a Healthy Diet - Planning A Healthy...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online