# pH-responsive color indicator film based on gelatin/chitosan cross-linking with anthocyanin-Fe2+ chelate for pork freshness monitoring

*PRI Rank #8 · Topics and Trends in Most Cited Meat and Animal Product Quality Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/meat-and-animal-product-quality/2026/rank-8*

| Field | Value |
| --- | --- |
| Rank | #8 |
| 18m citations | 45 |
| Journal | Food Hydrocolloids |
| Year | 2024 |
| DOI | 10.1016/j.foodhyd.2024.110895 |
| Corresponding authors | Xiangning Chen, Hongru Zhang |
| Institution | Beijing University of Agriculture, China |

**Ranking page:** [Topics and Trends in Most Cited Meat and Animal Product Quality Papers, Class of 2026](https://pri.pepkio.com/top-papers/meat-and-animal-product-quality/2026)

**Paper link:** [10.1016/j.foodhyd.2024.110895](https://doi.org/10.1016/j.foodhyd.2024.110895)

## Topics

Freshness indicator · gelatin/chitosan cross-linking · anthocyanin-Fe2+ chelate · Meat quality · Intelligent packaging · anthocyanins · Fe2+ chelation · gelatin · chitosan · colorimetric detection · Freshness indicator · pH sensing · Freshness indicator · Biodegradable packaging · Meat quality

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Meat and Animal Product Quality Papers, Class of 2026. https://pri.pepkio.com/top-papers/meat-and-animal-product-quality/2026. Accessed 2026-07-21.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```