Table 1.

SC derivatives polyphenols amount (Folin–Ciocalteu assay) and antioxidant assessment (DPPH and ABTS assays). Ascorbic acid and Trolox were used as reference for the DPPH and ABTS assays, respectively.

Samples	Total Content of Oxidizable Compounds a	DPPH b	ABTS c
SC stalk	2583.8	4.81 ± 0.69	ND
SC Juice	743.9	4.33 ± 0.35	2.49 ± 0.02
SC Syrup	2318.5	4.36 ± 0.37	1.73 ± 0.07
Agrosavia NCS	3623.6	4.28 ± 0.33	2.39 ± 0.074

^a ppm caffeic acids; ^b radical scavenging activity (IC₅₀ mg/mL); ^c % ABTS scavenging activity = (1 − (Asample − Acontrol)/Acontrol) × 100.