Measurement of the degree of crystallinity of the samples was performed in an X’Pert Pro Diffractometer (PANalytical,
Almelo, The Netherlands) in triplicates, after 25 days of storage. Capsules were dissolved in ethanol prior to analysis. A
sample of pure n-OSA starch was also measured in order to compare it to the samples. The degree of cristallinity was
obtained by comparison of the peak areas between sample and control sample.