Figure 2

Mass spectrometric data and chemical structure of peonidin-based anthocyanins. (a) HPLC-TOF-MS spectrum of P1 (peak 2), (b) HPLC-TOF-MS/MS spectrum of P1 (peak 2), (c) chemical structure of P1 (peak 2).

Mass spectrometric data and chemical structure of peonidin-based anthocyanins. (a) HPLC-TOF-MS spectrum of P1 (peak 2), (b) HPLC-TOF-MS/MS spectrum of P1 (peak 2), (c) chemical structure of P1 (peak 2).