Starch-based coatings for colon-specific drug delivery. Part I: the influence of heat treatment on the physico-chemical properties of high amylose maize starches.

In this study, the changes in the physico-chemical properties of different high amylose maize starches, i.e., Hylon VII, Hylon V and IM-DS acetate starch, were studied prior and after heat treatment used in the preparation of film coatings (WO 2008/012573 A1).

Feasibility study for the rapid determination of the amylose content in starch by near-infrared spectroscopy.

Near-infrared (NIR) spectroscopy was used to determine the amylose content in six different starches, whose declared amylose contents ranged from 2 to 95% m/m. The amylose content of starches can vary considerably between batches depending on growth conditions and time of harvesting. An NIR calibration model was developed for amylose using simple laboratory produced mixtures of amylose and amylopectin in different ratios.