The Plasticizing Effect of Choline Dihydrogencitrate on Starch-Based Films
Dorota Skowrońska, Katarzyna Wilpiszewska · 2026
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Description
Skowrońska and colleagues report a 2026 study testing a new softener for starch-based films, a candidate material for greener packaging. Plasticizers keep starch films flexible instead of brittle, but common ones soak up moisture eagerly. The salt choline dihydrogencitrate was tried, for the first time, as the only plasticizer in potato starch films at several loadings.
Spectroscopy and X-ray measures showed the salt breaks up starch's crystalline regions, the first job of a true plasticizer. Mechanical and thermal tests confirmed the films grew more flexible, and twenty-five percent by weight gave the best balance of clarity and strength. The films also absorbed less moisture than films made with standard plasticizers. A less thirsty starch film could hold up in humid storage, one of the weak points that has kept starch packaging niche.
Catalog record
| CREATOR | Dorota Skowrońska, Katarzyna Wilpiszewska |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 28 KB |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |