Lecture 7

Question 1

what are ‘empty calories’

Answer 1

‘empty calories’; no nutrient value just energy

Question 2

What does “The 2015 US dietary guidelines for americans” say about How Much Sugar We Should Eat?

Answer 2

Less than 10% of the total daily energy intake should be from sugar)

these should come preferentially from fruits (especially whole fruits) and grains (at
least half of which are whole grains)

Question 3

What does the “National obesity forum (NOF) - UK - 2015” say about How Much Sugar Should We Eat?

Answer 3

The optimum sugar consumption for health is zero

Question 4

what is the Glycemic Index (GI)

Answer 4

Represents the degree and duration that a particular food increases glycemia

Question 5

how is Glycemic Index (GI) determined

Answer 5

determined by calculating the area under the curve for blood glucose during the 2 hour period subsequent to the ingestion of a particular type of food that provides 50g of digestible (available) carbohydrate

Question 6

what is considered a low Glycemic Index (GI)

Answer 6

Low: anything below 55

Question 7

what is considered a medium Glycemic Index (GI)

Answer 7

Medium: anything between 55 and 69

Question 8

what is considered a high Glycemic Index (GI)

Answer 8

High: anything 70 and above

Question 9

100 represents the GI of what?

Answer 9

white bread

Question 10

Sucrose is a combination of what?

Answer 10

Sucrose = glucose + fructose

Question 11

Glycemic Load (GL)

Answer 11

basically the GI normalized to serving standards

(GI in response to a portion instead of a fixed amount of carbohydrates)

Question 12

Practical Use of GI and GL:

Answer 12

Although controversial, the use of GI and GL in dietary planning can be helpful in the prevention of obesity, as well as in the management of diabetes

Different people respond higher than others to the same amount of food