Tongpasuk, P. and Charoonratana, T. 2024. Method Development and Selection of Verbascoside-Rich Acanthus Species and their Isolation Using Centrifugal Partition Chromatography . Tropical Journal of Natural Product Research (TJNPR). 8, 12 (Dec. 2024), 9571 – 9577. DOI:https://doi.org/10.26538/tjnpr/v8i12.32.