Potent, endogenous neuromedin U receptor agonist (EC50 values are 65 and 91 pM at NMU1 and NMU2 respectively). Induces phase shifts in the circadian rhythm of locomotor activity following i.c.v. administration. Potent endogenous anorexigenic peptide.

Platycoside F is a triterpenoid saponin compound that can be isolated from the roots ofPlatycodon grandiflorum .

Gluten Exorphin A5 是小麦麸质的片段，具有神经保护作用。Gluten Exorphin A5 不仅在周围神经系统中而且在中枢神经系统中产生多种作用。