1. Andersson, I. (1993). Nutritional and sensory quality of heat processed liquid milk. Ph.D. Dissertation, University of Lund, Sweden (as referred by Wigertz et al., 1997).
2. Methods of folate analysis – A review;Arcot;Trends in Food Science and Technology,2005
3. Enzyme protein binding assay for determining folic acid in fortified cereal foods and stability of folic acid under different extraction conditions;Arcot;Food Control,2001
4. Comparison of folate losses in soybean during the preparation of tempeh and soymilk;Arcot;Journal of the Science of Food and Agriculture,2002
5. BASF (2000). Vitamin stability in premixes and feeds: A practical Approach. In: Vitamin-one of the most important discovery of the century. Documentation DC0002. Animal Nutrition, 6th ed. (as referred by Riaz et al., 2009).