REFERENCES
- Akhtar M. J., Khan M. A., Ahnad I. Photodegradation of folic acid in aqueous solution. J. Pharm. Biomed. Anal. 1999; 25: 269–275
- AOAC International. Official Methods of Analysis, , et al. AOAC International, Arlington, VA 2003
- Bagley P. M., Selhub J. Analysis of folate form distribution by affinity followed by reversed-phase chromatography with electrochemical detection. Clin. Chem. 2000; 46: 404–411
- Bailey L. B. Do low doses of folic acid result in maximum lowering of homocysteine?. Am. J. Clin. Nutr. 2005; 82: 717–718
- Ball G. F. M. Vitamins in Foods. Analysis, Bioavailability, and Stability, , et al. Taylor & Francis, Boca Raton, FL 2006
- Breithaupt D. E. Determination of folic acid by ion-pair RP-HPLC in vitamin fortified fruit juices after solid-phase extraction. Food Chem. 2001; 74: 521–525
- Cravo M. L., Camilo M. E. Hyperhomocysteinemia in chronic alcoholism: relations to folic acid and vitamins B6 and B12 status. Nutrition 2000; 16: 296–302
- Das U. N. Folic acid says NO to vascular diseases. Nutrition 2003; 19: 686–692
- De Souza S, Eitenmiller R. Effects of different enzyme treatments on extraction of total folate fron various foods prior to microbiological assay and radioassay. J. Micronutrient Anal. 1990; 7: 37–57
- Eitenmiller R., Landen W. O. Vitamin Analysis for the Health and Food Sciences., , et al. CRC Press, Boca Raton, FL 1999
- Finglas P. M., Meer K., Molloy A., Verhoef P., Pietrzik K., Powers H. J., Straeten D., Jägerstad M., Varela-Moreiras G., Vliet T., Havenaar R., Buttriss J., Wright A. J. A. Research goals for folate and related B vitamin in Europe. Eur. J. Clin. Nutr. 2006; 60: 287–294
- Flangan R. J., Perrett D., Whelpton R. Electrochemical Detection in HPLC. Analysis of drugs and poisons (RSC Chromatography Monographs). , et al. Royal Society of Chemistry, Cambridge 2005
- Gregory J. F., III, Sartain D. B., Day B. P. F. Fluorimetric determination of folacin in biological materials using high performance liquid chromatography. J. Nutr. 1984; 114: 341–353
- Gujska E., Kuncewicz A. Determination of folate in some cereals and commercial cereal-grain products consumed in Poland using trienzyme extraction and high-performance liquid chromatography methods. Eur. Food Res. Technol. 2005; 221: 208–213
- Heudi O., Kiline T., Fontannaz P. Separation of water-soluble vitamins by reversed-phase high performance liquid chromatography with ultra-violet detection: application to polyvitamined premixes. J. Chromatogr. A. 2005; 49: 1070–56
- Hyun T. H., Tamura T. Trienzyme extraction in combination with microbiologic assay in food folate analysis: an updated review. Exp. Biol. Med. 2005; 230: 444–454
- Institute of Medicine. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Institute of Medicine, Food and Nutrition Board. , et al. National Academy Press, Washington, D.C. 1998; 8: 197–305
- Johnston K. E., Lofgren A., Tamura T. Folate concentrations of fast foods measured by trienzyme extraction method. Food Res. Internal. 2002; 35: 565–569
- Malinow M. R., Bostom A. G., Krauss R. M. Homocyst(e)ine, diet, and cardiovascular diseases, a statement for healthcare professionals from the Nutrition Committee, American Hearth Association. Circulation 1999; 99: 178–182
- Pfeiffer C. M., Rogers L. M., Gregory J. F., III. Determination of folate in cereal-grain food products using trienzyme extraction and combined affinity and reversed-phase liquid chromatography. J. Agric. Food Chem. 1997; 45(2)407–413
- Rader J. I., Weaver C. M., Angyal G. Use of a microbiological assay with tri-enzyme extraction for measurement of pre-fortification levels of folates in enriched cereal-grain products. Food Chem. 1998; 62: 451–465
- Rader J. I., Weaver C. M., Angyal G. Total folate in enriched cereal-grain products in the United States following fortification. Food Chem. 2000; 70: 275–289
- Ruggeri S., Vahteristo L. T., Aguzzi A., Finglas P., Carnovale E. Determination of folate vitaminers in food and in Italian reference diet by high-performance liquid chromatography. J. Chromatogr. A. 1999; 855: 237–245
- Tamura T. Determination of food folate. Nutr. Biochem. 1998; 9: 285–293
- Yon M., Hyun T. T. Folate content of foods commonly consumed in Korea measured after trienzyme extraction. Nutr. Res. 2003; 23: 735–746