| Title |
Fabrication of a colorimetric film based on bacterial cellulose/metal coordination framework composite for monitoring food spoilage gas |
| ID_Doc |
14225 |
| Authors |
Techasamran, M; Charoensuk, S; Than-ardna, B; Sain, M; Manuspiya, H |
| Title |
Fabrication of a colorimetric film based on bacterial cellulose/metal coordination framework composite for monitoring food spoilage gas |
| Year |
2023 |
| Published |
|
| DOI |
10.1016/j.ijbiomac.2023.127038 |
| Abstract |
A newly designed colorimetric sensing film has been developed to determine the spoilage gas from food dete-rioration. The fabrication of sensing film used for food labels based on bacterial cellulose and carboxymethyl cellulose composite film (BC/CMC) incorporated with Bis(imidazolium) tetrachlorocuprate, HIm2CuCl4 was focused. The BC/CMC composite films were prepared by vacuum filtration and then dipped into the (5-20 % w/ w) HIm2CuCl4 solution. Subsequently, they were dried at 60 degrees C to obtain the BC/CMC-Cu film. For monitoring fish freshness, the TVB-N level was considered an indicator of determining fish spoilage. In addition, the color change was evaluated and expressed as Lab color values and total color difference (TCD). According to the sensing response, the TCD values of the sensing films had continuously changed, corresponding to the ammonia gas, which is one of the TVB-N gases. Based on the variations in Lab color values exposed to ammonia gas at room temperature, the film color shifted from the initial lime green color to the final blue color due to the substitution of metal-ligand bonding. Finally, this colorimetric sensing film can be employed as a potential food freshness indicator in intelligent packaging. |
| Author Keywords |
Bacterial cellulose; Colorimetric sensing; Ammonia gas; Food packaging |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED) |
| EID |
WOS:001087163400001 |
| WoS Category |
Biochemistry & Molecular Biology; Chemistry, Applied; Polymer Science |
| Research Area |
Biochemistry & Molecular Biology; Chemistry; Polymer Science |
| PDF |
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