Academic Journal
Natural deep eutectic solvent of choline chloride with oxalic or ascorbic acids as efficient starch-based film plasticizers
| العنوان: | Natural deep eutectic solvent of choline chloride with oxalic or ascorbic acids as efficient starch-based film plasticizers |
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| المؤلفون: | Sousa, Alex Sandro Bezerra de, Lima, Renato Pereira, Silva, Mariany Cruz Alves da, Moreira, Dayse das Neves, Pintado, Maria Manuela Estevez, Silva, Silvanda de Melo |
| المصدر: | Sousa , A S B D , Lima , R P , Silva , M C A D , Moreira , D D N , Pintado , M M E & Silva , S D M 2022 , ' Natural deep eutectic solvent of choline chloride with oxalic or ascorbic acids as efficient starch-based film plasticizers ' , Polymer , vol. 259 , 125314 . https://doi.org/10.1016/j.polymer.2022.125314 |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | Ascorbic acid, Cassava starch, Mechanical properties, NADES, Oxalic acid |
| الوصف: | Natural deep eutectic solvents (NADES) of choline chloride/oxalic acid (OA) and choline chloride/ascorbic acid (AA) were evaluated as innovative candidates for cassava starch-based film plasticizers, aiming to replace the glycerol standard. NADES-OA and NADES-AA were compared at five levels with a 40% glycerol standard. NADES were characterized by Fourier Transform Infrared (FTIR), and the films were subjected to optical, physical, and mechanical evaluations and structural analysis by X-ray Diffractometry (XRD) and FTIR. NADES-OA and NADES-AA improved the films' optical, physical, and mechanical properties, providing characteristics similar or superior to those plasticized with glycerol. NADES-OA showed a greater plasticizing effect, requiring a lower plasticizer concentration (30%) for the films to reach similar mechanical and physical characteristics to those with 40% glycerol. In addition, it presented a lower opacity and crystallinity index. Films with 60% NADES-AA had the highest elasticity and the lowest opacity but were highly water soluble and slightly yellow. Novel data reported here indicate that NADES-OA and NADES-AA can be used as efficient plasticizers for starch-based films, presenting vast potential for use as films or coatings for the agricultural and food industries. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| DOI: | 10.1016/j.polymer.2022.125314 |
| الاتاحة: | https://ciencia.ucp.pt/en/publications/17808345-7834-4646-ac90-ab48bf486b46 https://doi.org/10.1016/j.polymer.2022.125314 http://www.scopus.com/inward/record.url?scp=85138464455&partnerID=8YFLogxK |
| Rights: | info:eu-repo/semantics/closedAccess |
| رقم الانضمام: | edsbas.3ACC9750 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1016/j.polymer.2022.125314 |
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