https://www.mdpi.com/1420-3049/26/14/4217
Bufadienolides from the Skin Secretions of the Neotropical Toad Rhinella alata (Anura: Bufonidae):...
Toads in the family Bufonidae contain bufadienolides in their venom, which are characterized by their chemical diversity and high pharmacological potential....
from the skin
https://pmc.ncbi.nlm.nih.gov/articles/PMC9607450/
Peptides Isolated from Amphibian Skin Secretions with Emphasis on Antimicrobial Peptides - PMC
The skin of amphibians is a tissue with biological functions, such as defense, respiration, and excretion. In recent years, researchers have discovered a large...
skin secretionspeptidesisolatedamphibian