Figure A2.
(A) LC-MS profile of LPLF pre-incubated with DPP-IV at 37 °C for 3 h. (B) MS spectrum of fragment LF (m/z 279.12), and (C) MS spectrum of fragment LP (m/z 229.14) derived from LPLF pre-incubated with DPP-IV at 37 °C for 3 h.
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