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Citation: Jhm. De Vries et al., Red wine is a poor source of bioavailable flavonols in men, J NUTR, 131(3), 2001, pp. 745-748

Authors: Olthof, MR Hollman, PCH Katan, MB

Citation: Mr. Olthof et al., Chlorogenic acid and caffeic acid are absorbed in humans, J NUTR, 131(1), 2001, pp. 66-71

Authors: Olthof, MR Hollman, PC Zock, PL Katan, MB

Citation: Mr. Olthof et al., Consumption of high doses of chlorogenic acid, present in coffee, or of black tea increases plasma total homocysteine concentrations in humans, AM J CLIN N, 73(3), 2001, pp. 532-538

Authors: Olthof, MR Hollman, PCH Vree, TB Katan, MB

Citation: Mr. Olthof et al., Bioavailabilities of quercetin-3-glucoside and quercetin-4 '-glucoside do not differ in humans, J NUTR, 130(5), 2000, pp. 1200-1203