Endogenous agonist at orexin receptors (Ki values are 20 and 38 nM for OX1 and OX2 receptors respectively). Stimulates feeding following central administration and may be involved in the control of sleep-wake cycle and other hypothalamic functions.

3-Chlorotyrosine a specific marker of myeloperoxidase-catalyzed oxidation is markedly elevated in low-density lipoprotein isolated from human atherosclerotic intima. In particular myeloperoxidase halogenates tyrosine residues in plasma proteins and generates 3-chlorotyrosine (CY).

Yuanhuadin, extracted from Genkwa Flos Daphne genkwa, has antitumor activity through inhibiting Akt/mTOR and EGFR pathways, induce cell-cycle arrest and abortion.