Antioxidant Composition of a Selection of Italian Red Wines and Their Corresponding Free-Radical Scavenging Ability

Table 2

HPLC mobile phase gradient conditions.

Minutes	Solvent A	Solvent B
	H3PO4 0.001 M	Methanol
0–5	From 95% to 90%	From 5% to 10%
5–20	From 90% to 70%	From 10% to 30%
20–30	From 70% to 40%	From 30% to 60%
30–40	From 40% to 0%	From 60% to 100%
40–45	0%	100%
45–50	From 0 to 95%	from 100 to 5%
50–55	Equilibration time