💊 Chemical information
Barba de capuchino.
CAS — 125-46-2 (usnic acid).
Usnea barbata is a lichen. It contains usnic acid, which is reported to have antimicrobial activity. Usnea barbata extract, usnic acid, and copper usnate have been used in topical preparations.
Adverse effects.Two patients developed severe hepatotoxicity believed to be associated with usnic acid contained in a multi ingredient herbal preparation promoted for weight loss; one patient required emergency liver transplantation.1
1. Sanchez W, et al. Severe hepatotoxicity associated with use of a dietary supplement containing usnic acid. Mayo Clin Proc 2006; 81: 541–4.
Ger.: Dr Grandel Granobil†; Tetesept Hals-activ; Ital.: Vidermina; Zeta N. Multi-ingredient: Indon.: Scabicid; Ital.: Foot Zeta; Micofoot; Steril Zeta.
Published May 08, 2019.