Fig. 3.
MSFIA manifold used for the determination of total antioxidant capacity using DPPH• assay: MS, multi-syringe; Si, syringes; Vi, commutation valves (Solid and dotted lines represent the position on and off, respectively); B1 and B2, confluences; HC, holding coil (200 cm); RC, reaction coil (120 cm); D, detector; C, carrier (ethanol solution 50%, v/v); R, 2,2-diphenyl-1-picrylhydrazyl reagent prepared in C; AO, antioxidant standard solution or sample; PC, personal computer; W, waste