Complex sentence: When ginger is dried, gingerol dehydrates, forming shogaols, which are about twice as pungent as gingerol, explaining why dried ginger is more pungent than fresh ginger.
Split into simpler sentences: When ginger is dried gingerol undergoes a dehydration reaction forming shogaols, which are about twice as pungent as gingerol. This explains why dried ginger is more pungent than fresh ginger.