Orexin B, human is an endogenous agonist at Orexin receptor with Kis of 420 and 36 nM for OX1 and OX2, respectively. Orexin B is a hypothalamatic neuropeptide stimulating food intake in rats.

Human LL-37 is a 37 amino acid cationic (6+) peptide and has been widely studied. LL-37 penetrates the bacterial membrane and forms pores in the membrane.

4-Allylpyrocatechol has antioxidant activity, it has protective activity against the photosensitization-induced damage to lipids and proteins of rat liver mitochondria, which attributes to its free radical and singlet oxygen scavenging properties.