Preparation and properties of antifungal film based on aldehyde-modified pullulan loaded with methyl trans-p-coumarate

doi:10.14088/j.cnki.issn0439-8114.2025.05.019

Abstract

Abstract: The antifungal film was prepared by a casting-drying method using methyl trans-p-coumarate and aldehyde-modified pullulan as the matrix material. The results showed that the transparency of the antifungal film was negatively correlated with the addition amount of methyl trans-p-coumarate. Mechanical property tests using a universal material testing machine revealed that higher amounts of methyl trans-p-coumarate increased the rigidity but reduced the toughness of the antifungal film. In vitro antifungal activity tests demonstrated that the antifungal film exhibited strong inhibitory activity against Botrytis cinerea, and its efficacy gradually enhanced with increasing methyl trans-p-coumarate content. In conclusion, the antifungal film possessed advantages such as environmental friendliness, low cost, simple preparation process, moderate mechanical properties, and strong antifungal activity, showing potential for postharvest preservation of fruits and vegetables.

Key words: antifungal film, aldehyde-modified pullulan, methyl trans-p-coumarate, Botrytis cinerea, preparation, properties

CLC Number:

S432

CUI Wen-zhuang, WANG Wei-feng, MENG Xian-hua, LIU Yu-jie, ZHANG Xin-yu, CAO Yong-hong, WANG Jun, GONG Chu, YANG Jun-li. Preparation and properties of antifungal film based on aldehyde-modified pullulan loaded with methyl trans-p-coumarate[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(5): 123-127.

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