10
(b) Plant stanol esters in food can affect the level of
cholesterol in the blood.
The graph shows the percentage change in the
level of cholesterol in the blood when different
quantities of plant stanol esters are eaten.
mass of plant stanol esters eaten per day /g
0
2
4
6
8
10
0
percentage
–5
change
in level of
cholesterol
–10
in the
blood (%)
–15
–20
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