Results from HPIC of acarbose transfer products. Acarbose and α-MG were reacted in the presence of ThMA, and the resulting reaction mixture was subjected to HPIC. Peak 1 represents α-MG; peak 2, glucose; peak 3, α-(1,6)-linked transfer product; peak 4, α-(1,4)-linked transfer product; peak 5, α-(1,3)-linked transfer product; peak 6, PTS; peak 7, isoacarbose; and peak 8, acarbose.