Simultaneously realizing enhancement of sensitivity for freshness monitoring and multinomial properties of carrageenan/konjac glucomannan/blueberry anthocyanin-based intelligent film by diatomite

Zhentao Bian; Wenxue Xu; Haoqiang Zhang; Meng Shi; Xiaoyi Ji; Shicheng Dong; Chong Chen; Guangzhen Zhao; Xin Zhuo; Sridhar Komarneni; Keying Zhang; Zhonghai Ni; Guangzhou Hu

doi:10.1016/j.ijbiomac.2023.126192

Simultaneously realizing enhancement of sensitivity for freshness monitoring and multinomial properties of carrageenan/konjac glucomannan/blueberry anthocyanin-based intelligent film by diatomite

Int J Biol Macromol. 2023 Aug 7:251:126192. doi: 10.1016/j.ijbiomac.2023.126192. Online ahead of print.

Authors

Zhentao Bian¹, Wenxue Xu², Haoqiang Zhang², Meng Shi³, Xiaoyi Ji³, Shicheng Dong³, Chong Chen⁴, Guangzhen Zhao⁴, Xin Zhuo⁵, Sridhar Komarneni⁶, Keying Zhang⁷, Zhonghai Ni⁸, Guangzhou Hu⁹

Affiliations

¹ Chemical Technology, Institute of Chemical Technology, China University of Mining &Technology, Xuzhou 221116, Jiangsu Province, PR China; Bio-based Functional Materials and Composite Technology Research Center, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou 234000, Anhui Province, PR China; Anhui Key Laboratory of Spin Electron and Nanomaterials (Cultivating Base), Suzhou University, Suzhou 234000, Anhui Province, PR China.
² Bio-based Functional Materials and Composite Technology Research Center, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou 234000, Anhui Province, PR China.
³ Chemical Technology, Institute of Chemical Technology, China University of Mining &Technology, Xuzhou 221116, Jiangsu Province, PR China.
⁴ Anhui Key Laboratory of Spin Electron and Nanomaterials (Cultivating Base), Suzhou University, Suzhou 234000, Anhui Province, PR China.
⁵ Bio-based Functional Materials and Composite Technology Research Center, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou 234000, Anhui Province, PR China; Anhui Key Laboratory of Spin Electron and Nanomaterials (Cultivating Base), Suzhou University, Suzhou 234000, Anhui Province, PR China.
⁶ Materials Research Institute and Department of Ecosystem Science and Management, 204 Energy and the Environment Laboratory, The Pennsylvania State University, University Park, PA 16802, USA.
⁷ Bio-based Functional Materials and Composite Technology Research Center, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou 234000, Anhui Province, PR China; Anhui Key Laboratory of Spin Electron and Nanomaterials (Cultivating Base), Suzhou University, Suzhou 234000, Anhui Province, PR China. Electronic address: zhangky1983@163.com.
⁸ Chemical Technology, Institute of Chemical Technology, China University of Mining &Technology, Xuzhou 221116, Jiangsu Province, PR China. Electronic address: nizhonghai@cumt.edu.cn.
⁹ Chemical Technology, Institute of Chemical Technology, China University of Mining &Technology, Xuzhou 221116, Jiangsu Province, PR China. Electronic address: hugz@cumt.edu.cn.

PMID: 37558038
DOI: 10.1016/j.ijbiomac.2023.126192

Abstract

Here, highly sensitive blueberry anthocyanin (BBA)-induced intelligent indicating films were fabricated by incorporating a novel composite ingredient, diatomite (DA), into a matrix of konjac glucomannan (KGM), carrageenan (CAR) and BBA. We systematically investigated the effects of introducing DA and BBA on the structure, physical properties, colorimetric response, and practical application of the KGM/CAR film. Our findings revealed that the DA particles and BBA were well-distributed in the KGM/CAR matrix through hydrogen bonding interactions. This distribution significantly improved tensile strength, surface hydrophobicity, thermal stability, and barrier properties of the KGM/CAR film. Notably, the KGM/CAR-based intelligent film loaded with 6 % DA exhibited the most optimal properties. Furthermore, DA exhibited a hierarchical porous structure, enabling the KGM/CAR film to detect volatile amines with heightened sensitivity. When applied to monitor shrimp spoilage in transparent plastic packaging, the color of the composite film underwent remarkable changes from bright pink to bluish violet. These color changes correlated well with the total volatile basic nitrogen (TVB-N) and pH changes in the shrimp, as determined by standard laboratory procedures. Our work presents a promising approach to the development of high-performance and intelligent food packaging materials. These materials hold great potential for practical applications in the field of food packaging.

Keywords: Carrageenan; Diatomite; Enhanced properties; Freshness monitor; Intelligent film; Konjac glucomannan.