Tang G. Bioconversion of dietary provitamin A carotenoids to vitamin A in humans. Am J Clin Nutr. 2010, 91: 1468S-1473S.
Grune T, Chen JS, Lietz G, Palou A, Ross AC, Stahl W, Tang G, Thurnham D, Yin SA, and Biesalski HS. Beta-Carotene as an important vitamin A source for humans. J Nutr 2010, 140: 2268S-2285S.
Muzhingi T, Gadaga HT, Siwela A, Grusak MA Russell RM, Tang G. Vitamin A value of high beta-carotene yellow maize in humans. Am J Clin Nutr. 2011; doi: 10.3945/ajcn.110.006486.
Johnson EJ, Maras, J, Rasmussen, H, Tucker K. Intake of lutein and zeaxanthin differs with age, gender and ethnicity. J Am Diet Assoc 2010; 110:1357-62.
Sandberg, MA, Johnson EJ, Berson EL. The relationship between macular pigment optical density and systoid macular edema in retinitis pigmentosa. IOVS 2010; 51:1086-91.
Berson EL, Rosner B, Sandberg AM, Weigel-DiFranco C, Brockhurst RJ, Hayes KC, Johnson EJ, Anderson EJ, Johnson CA, Gaudio AR, Willett WC, Schaefer EJ. Clinical trial of lutein in patients with retinitis pigmentosa receiving vitamin A treatment. Archives of Ophthalmology 2010;128:403-11.
Li L, Chen C-Y, Aldini G, Johnson EJ, Rasmussen H, Yoshida Y, Niki E, Blumberg JB, Russell RM, Yeum K-Y. Supplementation with lutein or lutein plus green tea extracts does not change oxidative stress in adequately nourished older adults. J Nutr Biochem 2010; 21:544-9.
Barker FM, Neuringer M, Johnson EJ, Snodderly DM, Schalch W, Kopcke W. Dietary supplementation of carotenoid-depleted monkeys with zeaxanthin or lutein restores protection against photochemical blue-light retinal damage. IOVS. 2010; 140: 2268S-2285S.
Correa CR, Li L, Aldini G, Carini M, Chen C-YO, Chun H-K, Cho S-M, Park K-M, Blumberg JB, Yeum K-J. Stability and antioxidant activity of phytonutrients in five variaties of black soybeans (Glycine max parr). Food Chem 2010; 123: 1176-1184.
Tang G, Qin J, Dolnikowski GG, Russell RM, and Grusak MA. Golden Rice is an effective source of vitamin A. Am J Clin Nutr. 2009; 89: 1776-83.
Yeum KJ, Orioli M, Regazzoni L, Carini M, Rasmussen H, Russell RM, Aldini G. Profiling histidine dipeptides in plasma and urine after ingesting beef, chicken or chicken broth in humans. Amino Acids. 2010 Mar;38(3):847-58.
Day RM, Suzuki YJ, Matus IS, Yeum K-J, Qin J, Park A-M, Jain V, Kuru T, and Tang G. Plasma levels of retinoids, carotenoids and tocopherols in patients with mild obstructive sleep apnea. Respirology 2009;14(8):1134-42.
Li L, Aldini G, Carini M, Chen C-YO, Chun H-K, Cho S-M, Park K-M, Correa CR, Russell RM, Blumbert JB, Yeum K-J. Characterization, extraction efficiency, stability and antioxidant activity of phytonutrients in Angelica keiskei. Food Chemistry 2009;115(1):227-232.
Li L, Chen CY, Chun HK, Cho SM, Park KM, Lee-Kim YC, Blumberg JB, Russell RM, Yeum KJ. A fluorometric assay to determine antioxidant activity of both hydrophilic and lipophilic components in plant foods. J Nutr Biochem. 2009 Mar;20(3):219-26.
Yeum KJ, Beretta G, Krinsky NI, Russell RM, Aldini G. Synergistic interactions of antioxidant nutrients in a biological model system. Nutrition. 2009 Jul-Aug;25(7-8):839-46.
