Preclinical Trial of (Rich.) Nees ("Canela-Guaicá") in Wound Healing: Validation of a Traditional Medicine Practice Used by Indigenous Groups in Southern Brazil.

Background: "Canela-guaicá," "guaicá," or "canela-sebo" [ (Rich.) Nees] is a native species that is traditionally used by Kaingang indigenous groups for wound healing in southern Brazil. The aim of this study was to extract the mucilage from barks, perform its phytochemical and physicochemical characterization, and investigate its healing potential.