负载反-对香豆酸甲酯的醛基化普鲁兰多糖抗真菌薄膜的制备及性能

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中图分类号：S432 文献标识码：A

文章编号：0439-8114（2025）05-0123-05

DOI：10.14088/j.cnki.issn0439-8114.2025.05.019 开放科学（资源服务）标识码（OSID）：

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

CUI Wen-zhuang 1，2 ，WANG Wei-feng1，3，MENG Xian-hua 1，3 ，LIU Yu-jie1²， ZHANG Xin-yu 1，2 CAO Yong-hong4，WANG Jun1，²，GONG Chu1，²，YANG Jun-li³

（1.YantaiZhongkeResearchIstituteofdvancedMaterialsandGreenChemicalEngineering，Yantai64oo，Shandong，Cin; 2.Shandong Laboratoryof Advanced Materialsand Green ManufacturingatYantai，Yantai264ooo，Shandong，China； 3.LanzouIstuteofCcals，scaefiecKeboratoofestyrthstePlanResos/Kyto for Natural Medicine of Gansu Province，Lanzhou 73Oooo，China; 4.ZanthoxylumBungeanum Research Institute，Longnan Economic ForestResearch Institute，Longnan746oo，Gansu，China）

Abstract：The antifungalfilmwaspreparedbyacasting-drying methodusing methyltrans-p-coumarate and aldehyde-modified pullulanasthematrixmaterialTheresultsshowedthatthetranspaencyoftheantifungalfimasnegaivelycoelatedwiththedition amountof methyltrans-p-coumarate.Mechanical propertytestsusingauniversal materialtesting machinerevealedthathigher amounts of methyl trans -p- coumarate increased the rigidity but reduced the toughness of the antifungal film.In vitro antifungal activity testsdemonstratedthattheantifungalflmexhibitedstrongihibitoryactivityagainstBotrytiscinerea，anditseficacygraduallenhancedwith increasingmethyltrans-p-coumaratecontent.Inconclusion，theantifungalfimpossessedadvantagessuchasevironmentalfriendliness，lowcost，simpleprepaationprocess，moderatemechanicalpropertis，andstrongantifungalactityoing potential for postharvest preservation of fruits and vegetables.

Key Words：antifungalfilm；aldehde-modified pullan；methyltrans-p-coumarate；Botrytiscinerea;preparation；properties

果蔬合适的采后保藏技术不仅能够延长其货架期，而且有利于果蔬品质的保持或改善[1]。（剩余9382字）