Identification of VAYPQCV, a Gastrointestinally Stable Competitive DPP-IV Inhibitory Peptide from Bitter Leaf (Vernonia amygdalina). - Handayani FW; Sutopo CCY; Hung WT; Isnawati; Sutrisno A; Hsu JL (Plant foods for human nutrition (Dordrecht, Netherlands), 2026)