Optimization Parameters of Natural Deep Eutectic Solvent Based on Choline Chloride and Fructose for Extraction of Polyphenol from Jotang (Spilanthes acmella) Stem. Pharm.biomed.Sci.J [Internet]. 2024 Jun. 12 [cited 2026 Jan. 27];6(1):7-13. Available from: https://journal.uinjkt.ac.id/pbsj/article/view/39583