Annisa R, Lestari RI, Aqila SS, et al. Optimization and Characterization of Dayak Onion (Eleutherine palmifolia (L.) Merr) Extract Nanoparticles Using Cross-link Method: Tropical Journal of Natural Product Research. TJNPR. 2025;9(2):480-486. doi:10.26538/tjnpr/v9i2.10