Emulsified blend film based on konjac glucomannan/carrageenan/ camellia oil: Physical, structural, and water barrier properties
| Autor: | Xinglian Xu, Xinxiang Zong, Jun Qi, Cong Yin, Xueqin Gao, Xi Zhou, Mei Lin, Guoyuan Xiong, Shanglong Wang |
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| Rok vydání: | 2021 |
| Předmět: |
Materials science
Polymers and Plastics Scanning electron microscope 02 engineering and technology Carrageenan 010402 general chemistry 01 natural sciences Mannans Matrix (chemical analysis) Contact angle Adsorption Tensile Strength Phase (matter) Materials Chemistry Plant Oils Thermal stability Water content Organic Chemistry Food Packaging Water Camellia 021001 nanoscience & nanotechnology 0104 chemical sciences Chemical engineering Microscopy Electron Scanning Emulsions 0210 nano-technology Hydrophobic and Hydrophilic Interactions Water vapor |
| Zdroj: | Carbohydrate Polymers. 251:117100 |
| ISSN: | 0144-8617 |
| Popis: | The objective of this study was to develop a new hydrophobic film based on konjac glucomannan and kappa-carrageenan (KGM-KC) incorporating camellia oil (CO) (2, 4, and 6 %). CO was directly emulsified as a dispersed phase into KGM-KC matrix. The physical, structural, and water barrier properties of the film were studied. The results of Fourier transform infrared and scanning electron microscopy suggested that CO was successfully distributed in KGM-KC matrix by emulsification. Contact angle of the film indicated that addition of CO increased the hydrophobicity and water-resistance properties of film, which corresponding to the moisture content, total soluble mass, water vapor permeability, water vapor adsorption kinetics and water vapor adsorption isotherms. Addition of CO by emulsification improved thermal stability of film, optical properties, and mechanical properties. In conclusion, the incorporation of CO by emulsification is an effective and promising pathway to improve the properties of polysaccharide-based film. |
| Databáze: | OpenAIRE |
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