What class of medications do some polyphenol compounds in purple potatoes mimic for blood vessel effects?
Answer
ACE inhibitors
The beneficial polyphenols found concentrated in the flesh and skin of purple potatoes appear to influence vascular health through a mechanism that shares similarities with certain pharmaceutical agents. Specifically, some evidence suggests that these compounds operate via a pathway comparable to that used by medications known as ACE inhibitors, which are typically prescribed to manage blood pressure. This action contributes to the overall observed effect of promoting relaxation and strength in blood vessels.

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