1. Horikoshi, K. Process for producing cyclodextrins. U.S. Patent 3,923,598 (1975).
2. Armbruster, F. C. Procedure for production of alpha-cyclodextrin. U.S. Patent 3.640,847 (1972).
3. Flaschel, E., Landert, J-P., Spiesser, D., and Renken, A., Annals New York Academy of Sciences, 434, 70–82 (1984).
4. Bender, H. Production, characterization, and application of cyclodextrins. Advances in Biotechnological Processes. 6,31 (1986).
5. Corn Industries Research Foundation, Inc., Standard analytical methods of the member companies. Method E-26. Washington, D.C. (1952)