Structured Emulgels by Interfacial Assembly of Terpenes and Nanochitin
Source abstract
Abstract
Interfacial assemblies formed by colloidal complexation are effective in multiphase stabilization, as shown in structured liquids and Pickering emulgels. Herein, we demonstrate a type of biobased colloidal system that spontaneously stabilizes an organic phase in a continuous hydrogel phase. Specifically, a triterpene extracted from bark (betulin, BE) is added to an organic phase containing a coniferous resin (rosin acid, a diterpene). BE is shown to take part in strong noncovalent interactions with the nanochitin dispersed in the aqueous (hydrogel) phase, leading to a complex of high interfacial activity. The viscoelastic response of the system is rationalized by the presence of a superstable structured dual network. When used as a templating material, the emulgel develops into structured liquids and cryogels. The herein introduced all-biobased type of nanoparticle surfactant system forms a gel ("emulsion-filled" with "aggregated droplets") that features the functional benefits of both betulin and nanochitin.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Pickering emulsions and particle stabilization · Proteins in Food Systems · Polysaccharides and Plant Cell Walls
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Wood Science and Department of Chemistry, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
Life Sciences Institute Imaging Core Facility, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), Northeast Forestry University, Harbin 150040, People’s Republic of China
Funding
Canada Foundation for Innovation · Ministry of Forests, Lands and Natural Resource Operations · National Natural Science Foundation of China · Canada Excellence Research Chairs, Government of Canada · Pacific Economic Development Canada
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