By chromatographic methods (HPLC, TLC) coupled with spectral methods (LC-MS, TLC-MS) and chemical revelation tests,
anthocyanins from four Vigna subterranea varieties (M4, D3, KVS350,
KVS97) were isolated and identified as malvidin 3-O-β-D-glucopyranoside, paeonidin-3-O-β-D-glucopyranoside, petunidin-3-O-β-D-glucopyranoside, cyanidin 3-O-β-D-glucopyranoside, del- pinidin-3-O-β-D-glucopyranoside.
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