Thermal processing of 5-methyltetrahydrofolic acid in the UHT region in the presence of oxygen

Food Chemistry

Volumn 59, Issue 3, 1997, Pages 381-386

  Viberg, Uno ^a   Jägerstad, Margaretha ^a   Öste, Rickard ^a   Sjöholm, Ingegerd ^a  

^a LUND UNIVERSITY   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

5 METHYLTETRAHYDROFOLIC ACID; FOLIC ACID; OXYGEN; PHOSPHATE;

ARTICLE; DEGRADATION; ENERGY; HEAT TREATMENT; OXYGEN CONCENTRATION; PH; TEMPERATURE;

ARRHENIUS;

EID: 0343035708     PISSN: 03088146     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0308-8146(96)00251-8     Document Type: Article

References (22)

1. Andersson, I. (1993). Nutritional and sensory quality of heat processed liquid milk. Ph.D. Dissertation, University of Lund, Lund.
2. 12, and changes in oxygen content of UHT milk. I. Introduction and methods. Milchwissenschaft, 47, 223-224.
3. 12, and changes in oxygen content of UHT milk. II. Results and discussion. Milchwissenschaft, 47, 299-302.
4. Barrett, D. M. & Lund, D. B. (1989). Effect of oxygen on thermal degradation of 5-methyl-5,6,7,8-tetrahydrofolic acid. J. Food Sci., 54, 146-149.
5. Burton, H. (1988). Ultra-High-Temperature Processing of Milk and Milk Products. Elsevier Applied Science, London.
6. Burton, H., Pien, J. & Thieulin, G. 1965. Milk Sterilization. FAO, Rome.
7. Chen, T.-S. & Cooper, R. G. (1979). Thermal destruction of folacin: effect of ascorbic acid, oxygen and temperature. J. Food Sci., 44, 713-716.
8. Day, B. P. F. & Gregory, J. F., III (1983). Thermal stability of folic acid and 5-methyltetra-hydrofolic acid in liquid model food system. J. Food Sci., 48, 581-587, 599.
9. Gregory, J. F. III, Sartain, D. B. & Day, B. P. E. (1984). Fluorometric determination of folacin in biological materials using high performance liquid chromatography. J. Nutr., 114, 341-353.
10. Hawkes, J. G. & Villota, R. (1989). Folates in foods: reactivity, stability during processing, and nutritional implications. CRC Food Sci. Nutr., 28, 439-538.
11. Labuza, T. P. A. (1979). Theoretical comparison of losses in foods under fluctuating temperature sequences. J. Food Sci., 44, 1162-1168.
12. Mnkeni, A. P. & Beveridge, T. (1983). Thermal destruction of 5-methyltetra-hydrofolic acid in buffer and model food systems. J. Food Sci., 48, 595-599.
13. O'Broin, J. D., Temperly, I. J., Brown, J. P. & Scott, J. M. (1975). Nutritional stability of various naturally occurring monoglutate derivatives of folic acid. Am. J. Clin. Nutr., 28, 438-444.
14. Paine-Wilson, B. & Chen, T.-S. (1979). Thermal destruction of folacin: effect of pH and buffer ions. J. Food Sci., 44, 717-722.
15. Ramsey, J. A. & Swartzel, K. R. (1984). Effect of ultra high temperature processing and storage condition rates of sedimentation and fat separation of aseptically packaged milk. J. Food Sci., 49, 257-262.
16. NRC (1989). Recommended Dietary Allowance, 10th edn. National Academy Press, Washington, DC.
17. Renner, E., Schaafsma, G. & Scott, K. J. (1989). Micronutrients in milk. In Micronutrients in Milk and Milk-based Food Products, ed. E. Renner. Elsevier Applied Science, London.
18. Ruddick, J. E., Vanderstoep, J. & Richards, J. F. (1980). Kinetics of thermal degradation of methyltetrahydrofolic acid. J. Food Sci., 45, 1019-1022.
19. Shin, Y. S., Kim, E. S., Watson, J. E. & Stokstad, E. L. R. (1975). Studies on folic acid compounds in nature. IV. Folic acid compounds in soybeans and cow milk. Can. J. Biochem., 53, 338-543.
20. Viberg, U. & Öste, R. (1995). Development and evaluation of microscale apparatus, for the generation of kinetic data at high temperatures, applied to the degradation of thiamine. Food Chem., 52, 29-33.
21. Wald, N., Sneddon, J., Densem, J., Frost, C. & Stone, R. (1991). Prevention of neural tube defects: results of the Medical Research Council vitamin study. Lancet, 338, 131-137.
22. Walstra, P. & Jennes, R. (1984). Dairy Chemistry and Physics. Wiley, New York.