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Fabrication of Abelmoschus manihot gum/pullulan/magnesium L-ascorbate green composite packaging film and its excellent performance in preserving fresh-cut carrots

文献类型： 外文期刊

作者： Tan, Kok Bing 1 ; Zheng, Meixia 2 ; Lin, Junyan 3 ; Zhu, Yujing 2 ; Zhan, Guowu 1 ; Chen, Jianfu 3 ;

作者机构： 1.Huaqiao Univ, Acad Adv Carbon Convers Technol, Coll Chem Engn, 668 Jimei Ave, Xiamen 361021, Fujian, Peoples R China

2.Fujian Acad Agr Sci, Inst Crop Sci, Fujian Germplasm Resources Ctr, Fuzhou 350013, Fujian, Peoples R China

3.Zhangzhou Inst Technol, Coll Food Engn, Zhangzhou 363000, Peoples R China

关键词： Abelmoschus manihot gum/pullulan; Magnesium L-ascorbate; Food packaging and preservation film

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：7.7； 五年影响因子：7.7 ）

ISSN： 0141-8130

年卷期： 2024 年 278 卷

页码：

收录情况： SCI

摘要： Pullulan-based composite film can be a potential alternative packing material to non-environmentally friendly plastic wrap (PE) to preserve fresh-cut carrots. However, many developed pullulan-based composites either have high water vapor permeability (WVP) and high mechanical strength or vice versa, which limits the practicality of the developed packaging materials for potential commercialization. Herein, Abelmoschus manihot gum (AMG)/ pullulan/magnesium L-ascorbate (MLA) was created as a green composite film (APL) to preserve fresh-cut carrots. The optimal amount of MLA was found to be 10 % (APL10), demonstrating a balance of lower WVP and greater mechanical strength and antioxidant performance than many pullulan-based films. This effectively solved many problems faced by other pullulan-based packaging films. After the fresh-cut carrots were packed with the composite film for 4 days, it was found that APL10 was effective in preserving the quality of carrots, in terms of freshness, weight loss rate, Vitamin C (VC), and malondialdehyde (MDA) content after 4 days of storage, much better than non-biodegradable PE. Thus, based on these findings, it is concluded that APL films have huge potential as a green packaging material for food to replace PE in the future.

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