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author:

Mu, R. (Mu, R..) [1] | Bu, N. (Bu, N..) [2] | Yuan, Y. (Yuan, Y..) [3] | Pang, J. (Pang, J..) [4] | Ma, C. (Ma, C..) [5] | Wang, L. (Wang, L..) [6]

Indexed by:

Scopus

Abstract:

Constructing biodegradable food packaging with good mechanics, gas barrier and antibacterial properties to maintain food quality is still challenge. In this work, mussel-inspired bio-interface emerged as a tool for constructing functional multilayer films. Konjac glucomannan (KGM) and tragacanth gum (TG) with physical entangled network are introduced in the core layer. Cationic polypeptide ε-polylysine (ε-PLL) and chitosan (CS) producing cationic-π interaction with adjacent aromatic residues in tannic acid (TA) are introduced in the two-sided outer layer. The triple-layer film mimics the mussel adhesive bio-interface, where cationic residues in outer layers interact with negatively charged TG in the core layer. Furthermore, a series of physical tests showed excellent performance of triple-layer film with great mechanical properties (tensile strength (TS): 21.4 MPa, elongation at break (EAB): 7.9 %), UV-shielding (almost 0 % UV transmittance), thermal stability, water, and oxygen barrier (oxygen permeability (OP): 1.14 × 10−3 g/m s Pa and water vapor permeability (WVP): 2.15 g mm/m2 day kPa). In addition, the triple-layer film demonstrated advanced degradability, antimicrobial functions, and presented good moisture-proof performance for crackers, which can be potentially applied as dry food packaging. © 2023

Keyword:

Antimicrobial Bio-interface Degradability Polysaccharide Triple-layer film

Community:

  • [ 1 ] [Mu R.]College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
  • [ 2 ] [Bu N.]College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
  • [ 3 ] [Yuan Y.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Pang J.]College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
  • [ 5 ] [Ma C.]Department of Engineering Mechanics, Tsinghua University, Beijing, 100084, China
  • [ 6 ] [Wang L.]College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
  • [ 7 ] [Wang L.]Department of Engineering Mechanics, Tsinghua University, Beijing, 100084, China

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Source :

International Journal of Biological Macromolecules

ISSN: 0141-8130

Year: 2023

Volume: 242

7 . 7

JCR@2023

7 . 7 0 0

JCR@2023

ESI HC Threshold:30

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 18

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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