Agarwal, A, Shen, H, Agarwal, S & Rao, AV (2001) Lycopene content of tomato products: Its stability, bioavailability and in vivo antioxidant properties. J Med Food 4, 9–15.
Boileau, AC, Merchen, NR, Wasson, K, Atkinson, CA & Erdman, JW (1999) Cis-lycopene is more bioavailable than trans-lycopene in vitro and in vivo in lymph-cannulated ferrets. J Nutr 129, 1176–1181.
Clinton, SK, Emenhiser, C, Schwartz, SJ, Bostwick, DG, Williams, AW, Moore, BJ & Erdman, JW Jr (1996) Cis-trans lycopene isomers, carotenoids, and retinol in the human prostate. Cancer Epidemiol Biomarkers Prev 5, 823–833.
Erdman, JW (2005) How do nutritional and hormonal status modify the bioavailability, uptake, and distribution of different isomers of lycopene? J Nutr 135, 2046S–2047S.
Ferruzzi, MG, Nguyen, ML, Sander, LC, Rock, CL & Schwartz, SJ (2001) Analysis of lycopene geometrical isomers in biological microsamples by liquid chromatography with coulometric array detection. J Chromatogr 760B, 289–299.
Ferruzzi, MG, Sander, LC, Rock, CL & Schwartz, SJ (1998) Carotenoid determination in biological microsamples using liquid chromatography with a coulometric electrochemical array detector. Anal Biochem 256, 74–81.
Frohlich, K, Kaufmann, K, Bitsch, R & Bohm, V (2006) Effects of ingestion of tomatoes, tomato juice and tomato puree on contents of lycopene isomers, tocopherols and ascorbic acid in human plasma as well as on lycopene isomer pattern. Br J Nutr 95, 734–741.
Gartner, C, Stahl, W & Sies, H (1997) Lycopene is more bioavailable from tomato paste than from fresh tomatoes. Am J Clin Nutr 66, 116–122.
Giovannucci, E (1999) Tomatoes, tomato-based products, lycopene, and cancer: review of the epidemiologic literature. J Natl Cancer Inst 91, 317–331.
Gustin, DM, Rodvold, KA, Sosman, JA, Diwadkar-Navsariwala, V, Stacewicz-Sapuntzakis, M, Viana, M, Crowell, JA, Murray, J, Tiller, P & Bowen, PE (2004) Single-dose pharmacokinetic study of lycopene delivered in a well-defined food-based lycopene delivery system (tomato paste-oil mixture) in healthy adult male subjects. Cancer Epidemiol Biomarkers Prev 13, 850–860.
Hadley, CW, Clinton, SK & Schwartz, SJ (2003) The consumption of processed tomato products enhances plasma lycopene concentrations in association with a reduced lipoprotein sensitivity to oxidative damage. J Nutr 133, 727–732.
Khachik, F, Carvalho, L, Bernstein, PS, Muir, GJ, Zhao, DY & Katz, NB (2002) Chemistry, distribution, and metabolism of tomato carotenoids and their impact on human health. Exp Biol Med 227, 845–851.
Korytko, PJ, Rodvold, KA, Crowell, JA, Stacewicz-Sapuntzakis, M, Diwadkar-Navsariwala, V, Bowen, PE, Schalch, W & Levine, BS (2003) Pharmacokinetics and tissue distribution of orally administered lycopene in male dogs. J Nutr 133, 2788–2792.
McEligot, AJ, Rock, CL, Shanks, TG, Flatt, SW, Newman, V, Faerber, S & Pierce, JP (1999) Comparison of serum carotenoid responses between women consuming vegetable juice and women consuming raw or cooked vegetables. Cancer Epidemiol Biomarkers Prev 8, 227–231.
National Cholesterol Education Program (NCEP) Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults (Adult Treatment Panel III) (2002) Third Report of the National Cholesterol Education Program (NCEP) Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults (Adult Treatment Panel III) final report. Circulation 106, 3143–3421.
Nguyen, ML, Francis, D & Schwartz, SJ (2001) Thermal isomerisation susceptibility of carotenoids in different tomato varieties. J Sci Food Agric 81, 910–917.
Nguyen, ML & Schwartz, SJ (1998) Lycopene stability during food processing. Proc Soc Exp Biol Med 218, 101–105.
Nguyen, ML & Schwartz, SJ (2000) Natural Food Colorants: Science and Technology, 1st ed. New York: Marcel Dekker.
O'Neill, ME & Thurnham, DI (1998) Intestinal absorption of β-carotene, lycopene and lutein in men and women following a standard meal: response curves in the triacylglycerol-rich lipoprotein fraction. Br J Nutr 79, 149–159.
Precheur, RJ (2000) Ohio Vegetable Production Guide. The Ohio State University Cooperative Extension Bulletin no. 672. Columbus, OH: Ohio State University.
Rao, AV (2004) Processed tomato products as a source of dietary lycopene: bioavailability and antioxidant properties. Can J Diet Pract Res 65, 161–165.
Re, R, Bramley, PM & Rice-Evans, C (2002) Effects of food processing on flavonoids and lycopene status in a Mediterranean tomato variety. Free Radic Res 36, 803–810.
Schierle, J, Bretzel, W, Bühler, I, Faccin, N, Hess, D, Steiner, K & Schüep, W (1997) Content and isomeric ratio of lycopene in food and human blood plasma. Food Chem 59, 459–465.
Shi, J & Le Maguer, M (2000) Lycopene in tomatoes: chemical and physical properties affected by food processing. Crit Rev Biotechnol 20, 293–334.
Stahl, W & Sies, H (1992) Uptake of lycopene and its geometrical isomers is greater from heat-processed than from unprocessed tomato juice in humans. J Nutr 122, 2161–2166.
Unlu, NZ, Bohn, T, Francis, DM, Clinton, SK & Schwartz, SJ (2007) Carotenoid absorption in humans consuming tomato pasta sauces obtained from tangerine or high-β-carotene varieties of tomatoes. J Agric Food Chem. .
van het Hof, KH, Gartner, C, West, CE & Tijburg, LBM (1998) Potential of vegetable processing to increase the delivery of carotenoids to man. Int J Vitam Nutr Res 68, 366–370.
van Vliet, T, Schreurs, W & van den Berg, H (1995) Intestinal β-carotene absorption and cleavage in men: response of β-carotene and retinyl esters in the triglyceride-rich lipoprotein fraction after a single oral dose of β-carotene. Am J Clin Nutr 62, 110–116.
Weast, R (1973) Handbook of Chemistry and Physics. Cleveland, OH: CRC Press.