Inhibition of activity by ATIs extracted from German (A) and Turkish (B) wheat cultivars. Amy = negative control without ATI extract, AC = positive control with acarbose (1 mM and 50 µM). See Table 1 and Table 2 for sample allocation. n = 3. 1–5; 6–10, and 11–15 represent the fractions whole-meal flour, centrifuged flour, passage flour, grain bran, and sling bran of the Julius, Ponticus, and Elixier cultivars, respectively. Samples 16 to 25 represent the extracts from A. Bayernkönig, Julius 2017, RGT reform, Findus, Nordkap, Patras, Ponticus 2017, Kerubino, Tobias, and Capo, respectively. S1-S21 represent Kunduru, Siyazan, Tosunbey, Tosunbey, Esperya, Kayra, Sivas 111/33, Ceyhan-99, Ceyhan-99, Pehlivan, Siyazan, Russian, Esperya, Ceyhan-99, Russian, Pehlivan, Bezostaja, Siyazan, AK-702, Esperya, and Altay cultivars, respectively.