Where is persin found? A Guide to the Avocado Toxin
                                
                                
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                                    5 min read                                
                            
                                Persin is a natural, oil-soluble fungicidal toxin found in various parts of the *Persea americana* plant, which is commonly known as the avocado tree. While generally harmless to humans, its effects vary dramatically by species, posing a significant threat to many animals.