Figure 4.
Typical HPLC chromatogram of DBP, showing the detected free anthocyanins at 520 nm. (1) Delphinidin-3-O-glucoside, (2) delphinidin-3-O-rutinoside, (3) cyanidin-3-O-glucoside, and (4) cyanidin-3-O-rutinoside.
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