What compound, which inhibits ACE activity in vitro, is detected in asparagus spears?
Answer
Asparaptine
Asparaptine is identified as one of the specific sulfur-containing compounds present in asparagus spears that demonstrates interesting biochemical activity in laboratory settings. This compound has been noted for its capacity to inhibit the angiotensin-converting enzyme (ACE) when tested *in vitro*. Inhibiting ACE is a mechanism relevant to cardiovascular health, as ACE typically narrows blood vessels; therefore, blocking its activity can promote vasodilation. While asparagusic acid is responsible for the odor and saponins for bitterness, Asparaptine is the specific compound mentioned in relation to ACE inhibition capability demonstrated in cellular research.

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