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author:

Mu, Ruojun (Mu, Ruojun.) [1] | Bu, Nitong (Bu, Nitong.) [2] | Yuan, Yi (Yuan, Yi.) [3] (Scholars:袁毅) | Pang, Jie (Pang, Jie.) [4] | Ma, Chen (Ma, Chen.) [5] | Wang, Lin (Wang, Lin.) [6]

Indexed by:

EI Scopus SCIE

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 & epsilon;-polylysine (& epsilon;-PLL) and chitosan (CS) producing cationic-& pi; interaction with adjacent aromatic residues in tannic acid (TA) are introduced in the twosided 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 x 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.

Keyword:

Antimicrobial Bio-interface Degradability Polysaccharide Triple-layer film

Community:

  • [ 1 ] [Mu, Ruojun]Fujian Agr & Forestry Univ, Coll Food Sci, Fuzhou 350002, Peoples R China
  • [ 2 ] [Bu, Nitong]Fujian Agr & Forestry Univ, Coll Food Sci, Fuzhou 350002, Peoples R China
  • [ 3 ] [Pang, Jie]Fujian Agr & Forestry Univ, Coll Food Sci, Fuzhou 350002, Peoples R China
  • [ 4 ] [Wang, Lin]Fujian Agr & Forestry Univ, Coll Food Sci, Fuzhou 350002, Peoples R China
  • [ 5 ] [Ma, Chen]Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China
  • [ 6 ] [Wang, Lin]Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China
  • [ 7 ] [Yuan, Yi]Fuzhou Univ, Coll Biol Sci & Engn, Fuzhou 350108, Peoples R 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 Discipline: BIOLOGY & BIOCHEMISTRY;

ESI HC Threshold:30

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 20

SCOPUS Cited Count: 22

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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