Week 11 - Artificial Sweetener

Question 1

what are the two categories of sweeteners?

Answer 1

natural and artificial

Question 2

what are the two types of artificial sweeteners?

Answer 2

nutritive (e.g. sugar alcohols or polyols - xylitol)
and non-nutritive

Question 3

what is a non-nutritive sweetener (NNS)

Answer 3

chemically derived sugar substitute, no energy value

Question 4

what has been determined about the impact of artificial sweeteners on appetite?

Answer 4

AS offer less reward in the brain, and may not be enough to trigger hormones that follow sugar ingestion that cross the BBB and elicit effects on appetite, but as they are almost never eaten alone, there is no overall impact on reward response yet shown

Question 5

what population must avoid aspartame?

Answer 5

those with phenylketonuria (PKU)