Fig. 5. Optimization of Equisetum arvense (EA), Desmodium molliculum (DM), and Mentha piperita (M) for the responses: total polyphenols, flavonoids, and antioxidant capacity in medicinal tea blends. DPPH, 2,2-diphenyl-1-picrylhydrazyl radical.

Prev Nutr Food Sci 2023;28:444~452 https://doi.org/10.3746/pnf.2023.28.4.444