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用于食品新鲜度监测的纳米SiO2/花青素/再生纤维素智能比色传感膜的制备与性能

曹佳丽 董慧琳 许阳蕾 许凤

曹佳丽, 董慧琳, 许阳蕾, 等. 用于食品新鲜度监测的纳米SiO2/花青素/再生纤维素智能比色传感膜的制备与性能[J]. 复合材料学报, 2024, 42(0): 1-12.
引用本文: 曹佳丽, 董慧琳, 许阳蕾, 等. 用于食品新鲜度监测的纳米SiO2/花青素/再生纤维素智能比色传感膜的制备与性能[J]. 复合材料学报, 2024, 42(0): 1-12.
CAO Jiali, DONG Huilin, XU Yanglei, et al. Preparation and properties of nano-SiO2/anthocyanidin/ regenerated cellulose smart colorimetric sensing film for food freshness monitoring[J]. Acta Materiae Compositae Sinica.
Citation: CAO Jiali, DONG Huilin, XU Yanglei, et al. Preparation and properties of nano-SiO2/anthocyanidin/ regenerated cellulose smart colorimetric sensing film for food freshness monitoring[J]. Acta Materiae Compositae Sinica.

用于食品新鲜度监测的纳米SiO2/花青素/再生纤维素智能比色传感膜的制备与性能

基金项目: 北京市级大学生创新训练项目(S202310022170); 国家自然科学基金项目(21701159)
详细信息
    通讯作者:

    许阳蕾,博士,副教授,硕士生导师,研究方向为生物质能源材料 E-mail: xuyanglei@bjfu.edu.cn

    许凤,博士,教授,博士生导师,研究方向为农林生物质资源高值利用 E-mail: xfx315@bjfu.edu.cn

  • 中图分类号: TB332;TS206

Preparation and properties of nano-SiO2/anthocyanidin/ regenerated cellulose smart colorimetric sensing film for food freshness monitoring

Funds: Beijing Innovation Training Program for College Students (S202310022170); National Natural Science Foundation of China (21701159)
  • 摘要: 智能食品包装能够在实时质量监测方面弥补传统包装的不足,开发一种低成本、对人类健康无害和绿色环保的食品新鲜度智能指示标签,对食品安全有重要意义。本研究基于再生纤维素(RC)膜,利用从紫甘蓝中提取的花青素和纳米SiO2,制备了一种可生物降解的智能比色传感膜(RCG-PCE-Si)。该膜具有良好的力学性能(承受最大应力为67.1 MPa,最大拉伸应变为45.50 %)和超疏水性(水接触角为152.8°),且对紫外线有一定的阻隔能力,可用于生鲜类食品新鲜度的实时监测。通过测定总挥发性盐基氮(TVBN)和pH值,验证了该膜应用于虾新鲜度监测的有效性,其颜色明显的由品红色变为水红色,再变为紫灰色,最后变为灰绿色,有效地指示了虾腐败。本研究所开发的比色传感膜将有望作为具有良好力学性能和超疏水性的智能比色标签,并且应用于可对食品进行实时新鲜度监测的智能包装中。

     

  • 图  1  比色传感膜的制备流程

    Figure  1.  Preparation process of colorimetric sensing film

    图  2  不同pH下PCE溶液照片(a)和紫外-可见光谱(b)

    Figure  2.  Photograph(a) and UV-vis spectra(b) of PCE solution at different pH values

    图  3  不同薄膜(a)、不同pH下PCE溶液(b)和RC、PCE溶液以及SiO2(c)的FTIR图谱

    Figure  3.  FTIR spectra of films(a), PCE solution at different pH values(b) and RC, PCE, SiO2(c)

    图  4  RC的横截面(a)和表面(b)SEM图像

    Figure  4.  Cross section(a) and surface(b) SEM images of RC

    图  5  不同薄膜的TG(a)和DTG(b)曲线

    Figure  5.  TG(a) and DTG(b) curves of films

    图  6  不同薄膜的拉伸应力-应变曲线(a)、抗拉强度图(b)、断裂伸长率图(c)和厚度散点图(d)

    Figure  6.  Stress-strain(a), tensile strength(b), elongation at break(c) and thickness(d) of films

    图  7  比色传感膜良好抗拉性能和可塑性

    Figure  7.  Tensile property and plasticity of RCG-PCE-Si

    图  8  不同薄膜的静态接触角

    Figure  8.  Static contact angle for films

    图  9  不同薄膜的水接触角

    Figure  9.  Water contact angle of films

    图  10  液滴在比色传感膜表面的运动轨迹

    Figure  10.  Superhydrophobic mechanism of RCG-PCE-Si

    图  11  比色传感膜对不同pH溶液(pH = 5.0,7.0,10.0,12.0)的超疏水性图片

    Figure  11.  Images of RCG-PCE-Si superhydrophobic performance to different pH aqueous solutions (pH = 5.0,7.0,10.0,12.0)

    图  12  比色传感膜的自清洁能力

    Figure  12.  The self-cleaning performance of RCG-PCE-Si

    图  13  不同薄膜的照片

    Figure  13.  Photograph of films

    图  14  不同薄膜的紫外可见光谱

    Figure  14.  UV-vis spectra of films

    图  15  不同温度条件和不同贮存天数下比色传感膜的颜色(a)、色差值(b)、虾的TVBN含量(c)和虾的pH值(d)

    Figure  15.  the color(a) and ΔE(b) of RCG-PCE-Si, TVBN content(c) and pH value(d) of shrimp under different temperature conditions for different storage days

    表  1  不同膜样品的命名

    Table  1.   Naming of films

    Sample name Glycerol/wt% Soak in PCE Spray SiO2
    RC 0
    RCG 10
    RC-PCE 0 +
    RCG-PCE 10 +
    RC-PCE-Si 0 + +
    RCG-PCE-Si 10 + +
    Notes: RC—regenerated cellulose; PCE—purple cabbage extract; “+” means this sample performed this step; “−” means this sample had not perform this step.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2023-11-03
  • 修回日期:  2023-12-21
  • 录用日期:  2023-12-23
  • 网络出版日期:  2024-01-12

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