Umbhalo Waphansi

b Isibonelo esivamile sokuntuleka kwama-enzyme sihilela i-enzyme i-lactase. Imizimba yalabo abanenkinga ye-lactase ayikwazi ukugaya i-lactose esobisini, futhi bayagula uma beluphuza. Abanye abantu bantula ama-enzyme agaya i-tyramine, ikhemikhali etholakala kushizi nakokunye ukudla. Ngenxa yalokho, uma bedla ukudla okunjalo, laba bantu baphathwa ikhanda elinkenkethayo.