Aebi, H (1970) Catalase. In Methods of Enzymatic Analysis, pp. 636–641 [Bergmeyer, HU, editor]. Weinheim: Verlag Chemie.
Balz, MK, Schulte, E & Thier, HP (1993) Simultaneous determination of α-tocopheryl acetate, tocopherols and tocotrienols by HPLC with fluorescence detection in foods. Fat Science Technology 95, 215–220.
Blom, HJ, Kleinveld, HA, Boers, GH, Demacker, PNM, Hak-Lemmers, HLM, Pothoff, MTWB Te Poele & Trijebels, JMF (1995) Lipid peroxidation and susceptibility of low-density lipoprotein to in vitro oxidation in hyperhomocysteinaemia. European Journal of Clinical Investigation 25, 149–154.
Brown, JCW & Strain, JJ (1990) Effect of dietary homocysteine on copper status in rats. Journal of Nutrition 120, 1068–1074.
Cao, G & Cutler, RG (1995) Difficulties in measuring reactive protein carbonyls in tissues using 2,4-dinitrophenylhydrazine. Archives of Biochemistry and Biophysics 320, 106–114.
Cohen, G, Dembiec, D & Marcus, J (1970) Measurement of catalase activity in tissue extracts. Analytical Biochemistry 34, 30–38.
Cornwell, PE, Morgan, SL & Vaughn, WH (1993) Modification of a high-performance liquid chromatographic method for assay of homocysteine in human plasma. Journal of Chromatography 617, 136–139.
Dudman, NP, Wilcken, DE & Stocker, R (1993) Circulating lipid hydroperoxide levels in human hyperhomocysteinemia. Relevance to development of arteriosclerosis. Arteriosclerosis and Thrombosis 13, 512–516.
Duncan, IF, Greentree, PL & Ellis, KJ (1986) Cobalt deficiency in cattle. Australian Veterinary Journal 63, 127–128.
Fukunaga, K, Suzuki, T & Takama, K (1993) Highly sensitive high-performance liquid chromatography for the measurement of malondialdehyde in biological samples. Journal of Chromatography 621, 77–81.
Guttormsen, AB, Schneede, J, Ueland, PM & Refsum, H (1996) Kinetics of total plasma homocysteine in subjects with hyperhomocysteinemia due to folate or cobalamine deficiency. American Journal of Clinical Nutrition 63, 194–202.
Hu, ML (1994) Measurement of protein thiol groups and glutathione in plasma. Methods in Enzymology 233, 380–385.
Kennedy, DG, Young, PB, Blanchflower, WJ, Scott, JM, Weir, DG, Molloy, AM & Kennedy, S (1994) Cobalt-vitamin B12 deficiency causes lipid accumulation, lipid peroxidation and decreased α-tocopherol concentrations in the liver of sheep. International Journal for Vitamin and Nutrition Research 64, 270–276.
Mele, MC & Meucci, E (1996) Homocysteine and oxidative modifications of plasma proteins. Amino Acids (Vienna) 11, 99–104.
Musewe, VO & Gombe, S (1980) Plasma vitamin B12 and reproductive performance of cows on cobalt deficient pastures in the Rift Valley of Kenya. International Journal for Vitamin and Nutrition Research 50, 272–282.
National Research Council (1996) Nutrient Requirements of Beef Cattle. Washington, DC: National Academy Press.
Preibisch, G, Küffner, C & Elstner, EF (1993) Biochemical model reactions on the prooxidative activity of homocysteine. Zeitschrift für Naturforschung 48c, 58–62.
Price, J, Ueno, S & Wood, SG (1993) Recent developments in the assay of plasma vitamin B12 in cattle. In Trace Elements in Man and Animals — TEMA 8, pp. 317–318 [Anke, M, Meissner, D and Mills, CF, editors]. Gersdorf: Verlag Media Touristik.
Reznick, AZ & Packer, L (1994) Oxidative damage to proteins: spectrophotometric method for carbonyl assay. Methods in Enzymology 233, 357–363.
Smith, K, Krohn, RJ, Hermanson, GT, Mallia, AK, Garnter, FH, Provenzano, MD, Fujimoto, EK, Goeke, M, Olson, BJ & Klenk, DC (1975) Measurement of protein using bicinchoninic acid. Analytical Biochemistry 150, 76–85.
Stangl, GI, Schwarz, FJ & Kirchgessner, M (1999) Cobalt deficiency effects on trace elements, hormones and enzymes involved in energy metabolism of cattle. International Journal for Vitamin and Nutrition Research 69, 120–126.
Ubbink, JB, Vermaak, WJH & Bissbort, S (1991) Rapid high-performance liquid chromatographic assay for total homocysteine levels in human serum. Journal of Chromatography 565, 441–446.
Ueland, PM, Mansoor, MA, Guttormsen, AB, Muller, F, Aukrust, P, Pefsum, H & Svardal, AM (1996) Reduced, oxidized and protein-bound forms of homocysteine and other aminothiols in plasma comprise the redox thiol status — a possible element of the extracellular antioxidant defense system. Journal of Nutrition 126, 1281S–1284S.
Van Der Westhuyzen, J, Van Tonder, SV, Gibson, JE, Kilroe-Smith, TA & Metz, J (1985) Plasma amino acids and tissue methionine levels in fruit bats (Rousettus aegyptiacus) with nitrous oxide-induced vitamin B12 deficiency. British Journal of Nutrition 53, 657–662.
Young, PB, Kennedy, S, Molloy, AM, Scott, JM, Weir, DG & Kennedy, DG (1997) Lipid peroxidation induced in vivo by hyperhomocysteinaemia in pigs. Atherosclerosis 129, 67–71.