Novel proline-hydroxyproline glycopeptides from the dandelion (Taraxacum officinale Wigg.) flowers: de novo sequencing and biological activity

•Two novel homologous peptides were isolated from T. officinale flowers.•The isolated peptides have an unique primary structure that unknown among plant defense peptides.•One of the peptides displays antifungal and antibacterial activity in vitro.•Carbohydrate moieties have no significant impact on...

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