Aramouni, FM & Godber, JS (1991) Folate losses in beef liver due to cooking and frozen storage. Journal of Food Quality 14, 357–365.
Arthey, VD (1975) Quality of Horticultural Products. London: Butterworths.
Augustin, J, Johnson, SR, Teitzel, C, True, RH, Hogan, JM, Toma, RB, Shaw, RL & Deutsch, RM (1987) Changes in the nutrient composition of potatoes during home preparation II. American Potato Journal 55, 653–662.
Ball, GFM (1998) Folate. In Bioavailability and Analysis of Vitamins in Foods, pp. 439–496. London: Chapman and Hall.
Botto, LD, Moore, CA, Knotty, MJ & Erickson, JD (1999) Medical progress: neural tube defects. New England Journal of Medicine 20, 1509–1519.
Boushey, CJ, Beresford, SA, Omenn, GS & Motulsky, AG (1995) A quantitative assessment of plasma homocysteine as a risk factor for vascular disease: Probable benefits of increasing folic acid intakes. Journal of the American Medical Association 274, 1049–1057.
Branda, RF & Blickenderfer, DB (1993) Folate deficiency increases genetic damage caused by alkylating agents in γ-irradiation in Chinese hamster ovary cells. Cancer Research 53, 5401–5408.
Chen, TS, Song, YO & Kirsch, AJ (1983) Effects of blanching, freezing and storage on folacin contents of spinach. Nutrition Reports International 28, 317–321.
Choi, SW & Mason, JB (2000) Folate and carcinogenesis: An integrated scheme. Journal of Nutrition 130, 129–132.
Czeizel, AE & Dudas, I (1992) Prevention of first occurrence of neural tube defects by periconceptional vitamin supplementation. New England Journal of Medicine 327, 1832–1835.
Daly, S, Molloy, A, Mills, JL, Conley, MR, Young, LJ, Kirke, PN, Weir, DG & Scott, JM (1997) Minimum effective dose of folic acid for food fortification to prevent neural tube defects. Lancet 350, 1666–1669.
Dang, J, Arcot, J & Shrestha, A (2000) Folate retention in selected processed legumes. Food Chemistry 68, 295–298.
Department of Health (1992) Folic Acid and the Prevention of Neural Tube Defects. London: H. M. Stationery Office.
DeSouza, SC & Eitenmiller, RR (1986) Effects of processing and storage on the folate content of spinach and broccoli. Journal of Food Science 51, 626–628.
Eitenmiller, RR & Landen, WO (1999) Folate. In Vitamin Analysis for the Health and Food Science, pp. 411–465 [Eitenmiller, RR and Landen, WO, editors]. Boca Raton, FL: CRC Press.
Gregory, JF (1989) Chemical and nutritional aspects of folate research: analytical procedures, methods of folate synthesis, stability and bioavailability of dietary folates. In Advances in Food and Nutrition Research, pp. 1–101 [Kinsella, JE, editor]. New York: Academic Press.
Gregory, JF (1996) Vitamins. In Food Chemistry, 3rd ed., pp. 531–608 [Fennema, OR, editor]. New York: Marcel Dekker Inc.
Hawkes, JG & Villota, R (1989) Folates in foods: reactivity, stability during processing and nutritional implications. Critical Reviews in Food Science and Nutrition 28, 439–538.
Holland, B, Welch, AA, Unwin, ID, Buss, DH, Paul, AA & Southgate, DAT (1991) McCance and Widdowson's The Composition of Foods, 5th ed. Cambridge: Royal Society of Chemistry and Ministry of Agriculture, Fisheries and Food.
Hurdle, ADF, Barton, D & Searles, IH (1968) A method for measuring folate in foods and its application to a hospital diet. American Journal of Clinical Nutrition 21, 1202–1207.
Jacob, RA, Gretz, DM, Taylor, PC, James, SJ, Pogribny, IP, Miller, BJ, Henning, SM & Swendseid, ME (1998) Moderate folate depletion increases plasma homocysteine and decreases lymphocyte DNA methylation in postmenopausal woman. Journal of Nutrition 128, 1204–1214.
Keagy, PM (1985) Folacin: Microbiological and animal assays. In Methods of Vitamin Assay, 4th ed., pp. 445–471 [Augustin, J, Klein, BP and Venugopal, PB, editors]. New York: John Wiley and Sons.
Kim, YI, Pogribny, IP, Basnakian, AG, Miller, JM, Selhub, J, James, SJ & Mason, JB (1997) Folate deficiency in rats induced DNA strand breaks and hypomethylation within the p53 tumour suppresser gene. American Journal of Clinical Nutrition 65, 46–52.
Klein, BP (1989) Retention of nutrients in microwave-cooked foods. Boletin Asociacion Medica de Puerto Rico 81, 277–279.
Leichter, J, Switzer, VP & Landymore, AF (1978) Effect of cooking on folate content of vegetables. Nutrition Reports International 18, 475–479.
Lin, KC, Luh, BS & Schweigert, BS (1975) Folic acid content of canned garbanzo beans. Journal of Food Science 40, 562–565.
Lund, D (1988) Effects of heat processing on nutrients. In Nutritional Evaluation of Food Processing, 3rd ed., pp. 319–354 [Karmas, E and Harris, RS, editors]. New York: Van Nostrand Reinhold.
Ministry of Agriculture, Fisheries and Food (1994) The Dietary and Nutritional Survey of British Adults: Further Analysis. London: H. M. Stationery Office.
Malin, JD (1977) Total folate activity in Brussel sprouts: the effects of storage, processing, cooking and ascorbic content. Journal of Food Technology 12, 623–632.
Medical Research Council Vitamin Study Research Group (1991) Prevention of neural tube defects: results of the Medical Research Council Vitamin Study. Lancet 338, 131–137.
Molloy, AM & Scott, JM (1997) Microbiological assay for serum, plasma and red cell folate using cryopreserved, microtiter plate method. Methods in Enzymology 281, 43–53.
Murphy, M, Boyle, PHM, Weir, DG & Scott, JM (1978) The identification of the products of folate catabolism in the rat. British Journal of Haematology 38, 211–218.
Murphy, M, Keating, M, Boyle, P, Weir, DG & Scott, JM (1976) The elucidation of the mechanism of folate catabolism in the rat. Biochemistry and Biophysics Research Communications 71, 1017–1024.
National Health and Medical Research Council (1993) Revised Statement on the Relationship Between Dietary Folic Acid and Neural Tube Defects Such As Spina Bifida, 115th session. Australia: National Health and Medical Research Council.
Public Health Service Centers for Disease Control and Prevention (1992) Recommendations for the use of folic acid to reduce the number of cases of spina bifida and other neural tube defects. Morbidity and Mortality Weekly Report 41, 1–7.
Scott, JM (2001) Methyltetrahydrofolate: the superior alternative to folic acid. In Nutraceuticals in Health and Disease Prevention, pp. 75–90 [Krämer, K, Hoppe, PP and Packer, L, editors]. New York: Marcel Dekker Inc.
Tamura, T (1998) Determination of food folate. Journal of Nutritional Biochemistry 9, 285–293.
Vahteristo, LT, Lehikoinen, KE, Ollilainen, V, Koivistoinen, PE & Varo, P (1998) Oven-baking and frozen storage affect folate vitamin retention. Food Science and Technology-LEB 31, 329–333.
Ward, M, McNulty, H, McPartlin, JM, Strain, JJ, Weir, DG & Scott, JM (1997) Plasma homocysteine, a risk factor for cardiovascular disease, is lowered by physiological doses of folic acid. Quarterly Journal of Medicine 90, 519–524.
Wilson, SD & Horne, DW (1984) High-performance liquid chromatographic determination of the distribution of naturally occurring folic acid derivatives in rat liver. Analytical Biochemistry 142, 429–535.