Effect of freeze-drying and spray-drying on total phenolics content and antioxidant activity from aqueous extract of Justicia secunda leaves Journal title: Trends in Phytochemical Research Authors: Emmanuel N’dri Koffi; Amian Brise Benjamin Kassi; Felix Anoh Adje; Yves François Lozano; Yves-Alain... Subject(s): Food Science and Technology, Photochemistry, Pharmacognosy