Integrated Green Microwave Extraction and Hydrophobic Resin-Based Enrichment of Mitragynine from Mitragyna speciosa . Journal of Pharmacy and Nutrition Sciences , [S. l.], v. 16, p. 1–7, 2026. DOI: 10.29169/1927-5951.2026.16.01. Disponível em: https://setpublisher.com/index.php/jpans/article/view/2620. Acesso em: 13 may. 2026.