Key points are not available for this paper at this time.
If the amylose fraction of starch is degraded by glucosyltransferases, one or several turns of the amylose helix are hydrolyzed off and their ends are joined together, thereby producing cyclic oligosaccharides called cyclodextrins (CDs) or cycloamyloses (CAs).
Saenger et al. (Thu,) studied this question.