PUTRA, Raihan P.; AISYAH, Syarifah I.; KURNIATIN, Popi A.; NURCHOLIS, Waras. Optimization of Solvent Sonication-Maceration for Enhancing Total Phenolic Content and Antioxidant Activity of Portulaca oleracea L. Extract Using the Simplex Centroid Design Method. Tropical Journal of Natural Product Research (TJNPR), [S. l.], v. 8, n. 3, p. 6552–6557, 2024. DOI: 10.26538/tjnpr/v8i3.12. Disponível em: https://tjnpr.org/index.php/home/article/view/3703. Acesso em: 1 sep. 2024.