raharjo, aditya 2026. Optimization of Boiling Time for Maximum Curcuminoid Yield in a Traditional Turmeric Tamarind Jamu Using UV-Vis Spectrophotometry: Optimasi Waktu Perebusan untuk Hasil Kurkuminoid Maksimum dalam Jamu Kunyit Asam Jawa Tradisional Menggunakan Spektrofotometri UV-Vis. Journal of Health Economic and Policy Research (JHEPR). 4, 1 (Apr. 2026), 82–86. DOI:https://doi.org/10.30595/jhepr.v4i1.378.