Week 06 - Dietary Analysis Flashcards
What are the advantages of 3 or 7 days dietary surveys?
- simple and relatively accurate for macronutrients such as carbohydrates, fats and protein
- inexpensive
What are the disadvantages of 3 or 7 days dietary surveys?
- Clients must be motivated and have access to standard measuring cups, teaspoons etc.
- Requires client knowledge of portion sizes and can be demanding for respondent
What is the most accurate food measurement method?
Duplicate food collections placed in a bomb calorimeter
Advantages and disadvantages of the 24 hr recall?
- easy and inexpensive
- not tru reflection, tends to underestimate
- memory bias
Food frequency questionnaire is used…?
- For general picture of clients patterns of food intake
- qualitative information about populations
Diet history…?
- Combines 24 hours recall with a food frequency questionnaire to get a depiction of dietary habits
- Requires substantial skill from interviewer, and recommended to be a well-trained dietitian
Estimated average requirement (EAR) only fits the needs of ___% of people
50% (average, low accuracy)
Recommended dietary allowance (RDA) is determined the be accurate to measure the nutrient needs of ___% of people
97%
Adequate intake (AI) is only used when….
there is insufficient data to use EAR/RDA
Upper level (UL) resembles the…
Level of nutrient intake before it is toxic
DRV stands for..?
daily reference value
RDI stands for…?
recommended daily intake
____kj = 1 cal
4.18 kj
“calorie free” claim must be less than…?
5 cal/reference amount & per labelled serve
“fat free” claim must be …?
Less than 0.5g/reference and per labelled serve
“sugar free” claim must be….
- Less than 0.5g/reference amount and per labelled serve
“few calories” must be…
- Less than 40 cal/reference amount
- Meals and main dishes 120 cal or less / 100g
“low fat” must be….
- Less than 3g/reference amount
- Meals and main dishes 3g or less / 100g
“fewer calories” must be….
At least 25% fewer calories/ reference amount than an appropriate food reference
“reduced fat” must be…
At least 25% less fat/reference amount then an appropriate food reference
“reduced sugar” must be….
At least 25% less sugar/reference amount then an appropriate food reference
DRI stands for….
dietary reference intake
Under the DRI, the EAR stands for
estimated average requirement
Under the DRI, the RDA stands for
Recommended dietary allowance
Under the DRI, the AI stands for
adequate intake
Under the DRI, the UL stands for
upper limit
Serving size vs. portion size
Portion size = amount of food you choose to eat
Serving size = measured amount of food or drink
