Source

Literatura:
Hydrastis Canadensis.
Hospital (Lond 1886). 1891 Apr 4;10(236):11.
Brown P.N., Roman M.C.:
Determination of hydrastine and berberine in goldenseal raw materials, extracts, and dietary supplements by high-performance liquid chromatography with UV: collaborative study.
J AOAC Int. 2008 Jul-Aug;91(4):694-701.
Kumar A., Ekavali, i wsp.:
Current knowledge and pharmacological profile of berberine: An update.
Eur J Pharmacol. 2015 Aug 15;761:288-97.