Kakad, Kalyani, and Rushikesh N Nikalje. “Method Validation and Quantification of Lupeol in Hibiscus Sabdariffa (Malvaceae) Calyx Extracts by Using High Performance Thin Layer Chromatography ”. International Journal of Ayurvedic Medicine, vol. 17, no. 2, June 2026, pp. 502-6, doi:10.47552/ijam.v17i2.6629.