a) c) FSB1 – 2004 Food Science and Biotechnology in Developing Countries Hydrolysis(%) Hydrolysis(%) 80 60 40 20 TC_0 TC_7 TC_14 0 0 20 40 60 80 100 Time (min) 80 60 40 20 0 TC1_0 TC1_7 TC1_1 4 0 20 40 60 80 100 Time (min) b) d) Hydrolysis(%) Hydrolysis(%) 80 60 40 20 0 90 60 30 TC20_0 TC20_7 TC20_14 0 20 40 60 80 100 Time (min) WG_0 WG_7 WG_14 0 0 20 40 60 80 100 Time (min) Figure 1. In vitro starch hydrolysis of corn tortilla without hydrocolloids = TC (a); corn tortilla with hydrocolloids TC-20 = T_TC20 (b); corn tortilla with hydrocolloids TC-1= T_TC1 (c); corn tortilla with hydrocolloids WG = WG (d). 5
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