Fig. 4.
Chromatograms of control flours. (a) EF without calcium source, (b) NF with Ca(OH)2, (c) NF with C6H10O6Ca. Peak 2: cyanidin-3-glucoside; peak 4: pelargonidin-3-glucoside; peaks:1,3,5,6,7,8,9,10: not identified
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