Empirically. singkil leaves are used as uric acid medicine. Preliminary research data on the characterization of simplicia and singkil leaf extract (Premna corymbosa Rottl & Willd) have not been reported. The purpose of this research is to know the characteristics of simplicia and young and old leaf extracts and their chemical content. https://www.lightemupsequences.com/sale-now-Peperomia-Double-Duty-super-offer/