Pamungkas, M. S., Sari, S. M. P. and Rahayuningsih, E. (2026) “Optimization of Tannin Removal from Marigold Flowers by Water Extraction as Pretreatment for Lutein Recovery”, Eksergi, 23(2), pp. 80–89. doi: 10.31315/eksergi.v23i2.16512.