Exploiting the Thermotropic Behavior of Hydroxypropyl Cellulose to Produce Edible Photonic Pigments
Abstract: Hydroxypropyl cellulose (HPC) is a widely commercialized cellulose derivative. While it is typically used as a binder or stabilizer for foods and pharmaceuticals, it can also form a cholesteric liquid crystal in aqueous solution. Moreover, at high HPC concentrations this lyotropic and thermotropic mesophase is known to reflect structural color. However, it remains a challenge to retain this vibrant coloration into the solid state. Herein, by combining the emulsification of a HPC mesophase with drying at elevated temperature, solid microparticles are produced that can reflect color across the visible spectrum, from blue to green and red. This method provides a facile and scalable pathway to fabricate structurally colored, edible pigments, which can displace existing synthetic additives used in a wide range of foods and cosmetics.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Exploiting the Thermotropic Behavior of Hydroxypropyl Cellulose to Produce Edible Photonic Pigments ; day:03 ; month:02 ; year:2023 ; extent:7
Advanced sustainable systems ; (03.02.2023) (gesamt 7)
- Creator
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Ming, Siyi
Zhang, Xiaotian
Chan, Chun Lam Clement
Wang, Zhen
Bay, Mélanie M.
Parker, Richard M.
Vignolini, Silvia
- DOI
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10.1002/adsu.202200469
- URN
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urn:nbn:de:101:1-2023020314221374474477
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:58 AM CEST
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Associated
- Ming, Siyi
- Zhang, Xiaotian
- Chan, Chun Lam Clement
- Wang, Zhen
- Bay, Mélanie M.
- Parker, Richard M.
- Vignolini, Silvia
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