当前位置:首页>南昌>南昌大学FOOD PACKAGING SHELF:利用共颜料法开发高响应性和稳定性pH响应智能薄膜:制备、表征及其在鱼类新鲜度监测中的应用

南昌大学FOOD PACKAGING SHELF:利用共颜料法开发高响应性和稳定性pH响应智能薄膜:制备、表征及其在鱼类新鲜度监测中的应用

  • 2026-02-11 15:07:50
南昌大学FOOD PACKAGING SHELF:利用共颜料法开发高响应性和稳定性pH响应智能薄膜:制备、表征及其在鱼类新鲜度监测中的应用
南昌大学食品科学与资源挖掘全国重点实验室谢建华教授团队在Food Packaging and Shelf Life发表题目为“Development of a highly responsive and stable pH-responsive smart film using co-pigmentation: Preparation, characterization, and application for fish freshness monitoring”研究论文(利用共颜料法开发高响应性和稳定性pH响应智能薄膜:制备、表征及其在鱼类新鲜度监测中的应用)。
摘要:
指示剂的有效性对于智能包装系统的准确性至关重要。然而,现有的天然颜料在显色性和长期稳定性方面存在缺陷,限制了其应用。因此,本研究通过功能互补策略开发了一种新型姜黄素-茜素复合颜料(CA)。该CA颜料被添加到各种成膜基材中,制备出高稳定性、高灵敏度的pH响应型智能包装薄膜。添加CA显著改善了薄膜的阻隔性能,紫外线屏蔽效率提高了约56%,T-260值大幅降低(<15%)。此外,CA还增强了薄膜的拉伸强度、疏水性和抗氧化活性(P<0.05)。与纯茜素薄膜相比,共着色法制备的薄膜具有更好的储存稳定性和更佳的视觉效果。所制备的智能薄膜可成功用于鲜鱼的质量监测。优化后的羧甲基纤维素(CMC)-CA薄膜在鱼类新鲜度监测方面表现出优异的综合性能,证实了我们指示剂基质选择方法的有效性。这些结果表明,CA作为一种持久且准确的食品质量监测指示剂具有巨大潜力,为构建可持续、可靠的智能包装系统提供了技术和理论支持。
研究结果:
3.1 天然颜料的颜色响应和紫外-可见光谱特性
Fig. 1. Color response of natural pigments solutions at different pH values and their UV absorption spectra.
3.2 天然颜料的稳定性
Fig. 2. Temperature stability (A), light stability (B), and antioxidant capacity (C, D) for natural pigments solutions, pH responses and UV–vis spectra for CA solutions (E).
3.5 薄膜的物理化学表征
Fig. 3. The appearance and microstructure of films.
Fig. 4. Physical and chemical properties of the films
3.6. 薄膜对pH值变化的响应
Fig. 5. The color response (A) and ΔE change (B) of the indicator films at pH 2–12. The color (C) and ΔE change (E) of the indicator films in response to ammonia, and CA reaction to ammonia vapor (D).
3.8 薄膜颜色稳定性评价
Fig. 6. Color stability (A), the color change of the indicator films depending on pH change of fish during storage (B).
原文链接:
https://doi.org/10.1016/j.fpsl.2025.101680

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  1. CONNECT:[ UseTime:0.000510s ] mysql:host=127.0.0.1;port=3306;dbname=aa460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000844s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003529s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000301s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000494s ]
  6. SELECT * FROM `set` [ RunTime:0.000199s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000565s ]
  8. SELECT * FROM `article` WHERE `id` = 468368 LIMIT 1 [ RunTime:0.000682s ]
  9. UPDATE `article` SET `lasttime` = 1770887372 WHERE `id` = 468368 [ RunTime:0.006631s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000272s ]
  11. SELECT * FROM `article` WHERE `id` < 468368 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000488s ]
  12. SELECT * FROM `article` WHERE `id` > 468368 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002914s ]
  13. SELECT * FROM `article` WHERE `id` < 468368 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000941s ]
  14. SELECT * FROM `article` WHERE `id` < 468368 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004862s ]
  15. SELECT * FROM `article` WHERE `id` < 468368 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003997s ]
0.097647s