Dietary Antioxidant and Flavonoid Intakes Are Reduced in the Elderly

Table 4

Mean and energy-adjusted antioxidant and flavonoid intake.

Plant foods and beverages	Men ()			Women ()
	20–40 years; ()	41–60 years; ()	61–74 years; ()	20–40 years; ()	41–60 years; ()	61–74 years; ()
Mean antioxidant capacity; µmol TE/person/day (95% CI)	6542; (6120–6964)	6395; (5968–6822)	5852; (5737–5967)	5976; (5693–6259)	6233; (5983–6483)	5247; (4945–5549)
Energy-adjusted antioxidant intake; µmol TE per 1000 kcal of the diet (95% CI)	2324; (2174–2474)	2707; (2527–2888)	2910; (2853–2967)	3331; (3173–3489)	3679; (3532–3827)	3486; (3286–3687)
Main food contributors; (% contribution to antioxidant content)	Beverages (58): tea (35), coffee (20); vegetables (10): potatoes (3), cabbage (2), and beetroots (2); fruits and jams (21): apples (9), strawberries (4), plums (2), and sour cherries (2); cereal products (5): white bread (3); chocolates (2); nuts and seeds (4)
Mean flavonoid content; mg QE/person/day (95% CI)	304; (291–317)	291; (279–311)	268; (256–280)	278; (266–290)	275; (264–286)	238; (227–249)
Energy-adjusted flavonoid intake; mg QE per 1000 kcal of the diet (95% CI)	108; (103–113)	123; (118–132)	133; (127–139)	155; (148–162)	162; (156–169)	158; (151–165)
Main food contributors; (% contribution to flavonoid content)	Beverages (47): tea (22), coffee (8); vegetables (18): potatoes (4), cabbage (3), onion (3), and beetroots (2); fruits and jams (27): apples (12); cereal products (7): white bread (3); chocolates (0.5); nuts and seeds (0.5)

CI: confidence interval; : number; TE: Trolox equivalents; QE: quercetin equivalents.