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Peer-reviewedCC BYFood chemistry: X

Synergistic PVA/zein electrospun nanofiber array with curcumin-alizarin: a water-resistant, sensitive colorimetric platform for graded pork freshness monitoring.

  • Bingcan Liu1
  • Siling Zhang1
  • Honghui Geng1
  • Can Hu2
  • An Zhou3
  • Zeyu Wu1,4
4 affiliations
  1. 1Engineering Research Center of Bio-Process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China.
  2. 2School of Materials Science and Engineering, Hunan Institute of Technology, Hengyang 421002, China.
  3. 3The Experimental Research Center, Anhui University of Chinese Medicine, Hefei 230038, China.
  4. 4Intelligent Manufacturing Institute, Hefei University of Technology, Hefei 230051,China.
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Abstract

In this work, a synergistic polyvinyl alcohol (PVA)/zein electrospun nanofiber array was fabricated using curcumin and alizarin as dual responsive pigments for visual pork freshness monitoring. The water solubility of the PVA/zein composite reduced from 100.00% to 31.74%-35.42% (P < 0.05), exhibiting remarkably enhanced water resistance. The dual-pigment array displayed continuous color transitions from pH 4.0 to 11.0 and detected ammonia and dimethylamine at 1 ppm, whereas alizarin-only films needed 5 ppm. The total color difference (ΔE) of the array showed strong linear correlations with thiobarbituric acid reactive substances (TBARS, r = 0.98), pH (r = 0.95), and total volatile basic nitrogen (TVB-N, r = 0.98) in pork during refrigerated storage. Notably, the array enabled visual grading of pork freshness (fresh/sub-fresh/spoiled) and exhibited excellent color stability under ambient and refrigerated conditions. This study presents an eco-friendly and scalable intelligent packaging platform with great potential for real-time, on-site food freshness assessment.

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Cite

BibTeXRIS
BibTeX
@article{liu2026synergistic,
  title = {{Synergistic PVA/zein electrospun nanofiber array with curcumin-alizarin: a water-resistant, sensitive colorimetric platform for graded pork freshness monitoring.}},
  author = {Bingcan Liu and Siling Zhang and Honghui Geng and Can Hu and An Zhou and Zeyu Wu},
  journal = {Food chemistry: X},
  year = {2026},
  month = oct,
  doi = {10.1016/j.fochx.2026.104591},
  url = {https://europepmc.org/article/MED/42898108},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Synergistic PVA/zein electrospun nanofiber array with curcumin-alizarin: a water-resistant, sensitive colorimetric platform for graded pork freshness monitoring.
AU  - Bingcan Liu
AU  - Siling Zhang
AU  - Honghui Geng
AU  - Can Hu
AU  - An Zhou
AU  - Zeyu Wu
PY  - 2026
DA  - 2026/10/07
JO  - Food chemistry: X
DO  - 10.1016/j.fochx.2026.104591
UR  - https://europepmc.org/article/MED/42898108
AB  - In this work, a synergistic polyvinyl alcohol (PVA)/zein electrospun nanofiber array was fabricated using curcumin and alizarin as dual responsive pigments for visual pork freshness monitoring. The water solubility of the PVA/zein composite reduced from 100.00% to 31.74%-35.42% (P < 0.05), exhibiting remarkably enhanced water resistance. The dual-pigment array displayed continuous color transitions from pH 4.0 to 11.0 and detected ammonia and dimethylamine at 1 ppm, whereas alizarin-only films needed 5 ppm. The total color difference (ΔE) of the array showed strong linear correlations with thiobarbituric acid reactive substances (TBARS, r = 0.98), pH (r = 0.95), and total volatile basic nitrogen (TVB-N, r = 0.98) in pork during refrigerated storage. Notably, the array enabled visual grading of pork freshness (fresh/sub-fresh/spoiled) and exhibited excellent color stability under ambient and refrigerated conditions. This study presents an eco-friendly and scalable intelligent packaging platform with great potential for real-time, on-site food freshness assessment.
SN  - 2590-1575
ER  -