Antiviral and Antioxidant Activity of a Hydroalcoholic Extract from Humulus lupulus L.

Table 4

IC₅₀ values of the HOP extract and the standard antioxidant agent Trolox in the antioxidant assays.

	HOP extract	Trolox
	IC50 (CL) μg/ml
DPPH scavenging activity	574.1 (392.1–840.3)	5.0 (4.4–5.8)
ABTS scavenging activity	311.1 (724.5–1146.2)	2.1 (1.6–2.4)
Inhibition of crocin bleaching	288.6 (270.8–320.4)	6.6 (3.7–11.5)
Lipoperoxidation inhibition	124.1 (91.2–168.7)	3.0 (1.1–7.6)
Fe^3+ reducing activity	210.9 (110.5–329.3)	1.5 (1.1–2.0)