Prunetin 5-O-β-D-glucopyranoside is an isoflavone isolated from extracts of Potentilla astracanica. Prunetin 5-O-β-D-glucopyranoside is a potent and uncompetitive inhibitor of α-glucosidase, with an IC50 of 56.05 μg/mL. Prunetin 5-O-β-D-glucopyranoside can be used for the research of type-2 diabetes.

Lecithins, egg can be used as an excipient. Pharmaceutical excipients, or pharmaceutical auxiliaries, refer to other chemical substances used in the pharmaceutical process other than pharmaceutical ingredients. Pharmaceutical excipients generally refer to inactive ingredients in pharmaceutical preparations, which can improve the stability, solubility and processability of pharmaceutical preparations. Pharmaceutical excipients also affect the absorption, distribution, metabolism, and elimination (ADME) processes of co-administered drugs.

[Des-Leu26,Cys(Acm)20,31]-EGF (20-31)