22 蛋白打發過程的四個階段依序為：
(A)foamy stage→soft peaks stage→stiff peaks stage→dry peaks stage
(B)foamy stage→stiff peaks stage→soft peaks stage→dry peaks stage
(C)foamy stage→soft peaks stage→dry peaks stage→stiff peaks stage
(D)foamy stage→dry peaks stage→stiff peaks stage→soft peaks stage