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Application of chitosan nanoparticles in quality and preservation of postharvest fruits and vegetables: A review

文献类型： 外文期刊

作者： Wang, Su-Yan 1 ; Herrera-Balandrano, Daniela D. D. 1 ; Jiang, Yong-Hui 1 ; Shi, Xin-Chi 1 ; Chen, Xin 1 ; Liu, Feng-Quan 2 ; Laborda, Pedro 1 ;

作者机构： 1.Nantong Univ, Sch Life Sci, Nantong 226001, Peoples R China

2.Minist Sci & Technol, Jiangsu Acad Agr Sci, Inst Plant Protect, Jiangsu Key Lab Food Qual & Safety,State Key Lab C, Nanjing 210014, Peoples R China

关键词： chitosan coating; essential oils; nanotechnology; packaging; postharvest decay

期刊名称：COMPREHENSIVE REVIEWS IN FOOD SCIENCE AND FOOD SAFETY （ 影响因子：14.8； 五年影响因子：17.1 ）

ISSN： 1541-4337

年卷期： 2023 年 22 卷 3 期

页码：

收录情况： SCI

摘要： Chitosan is an interesting alternative material for packaging development due to its biodegradability. However, its poor mechanical properties and low permeability limit its actual applications. Chitosan nanoparticles (CHNPs) have emerged as a suitable solution to overcome these intrinsic limitations. In this review, all studies regarding the use of CHNPs to extend the shelf life and improve the quality of postharvest products are covered. The characteristics of CHNPs and their combinations with essential oils and metals, along with their effects on postharvest products, are compared and discussed throughout the manuscript. CHNPs enhanced postharvest antioxidant capacity, extended shelf life, increased nutritional quality, and promoted tolerance to chilling stress. Additionally, the CHNPs reduced the incidence of postharvest phytopathogens. In most instances, smaller CHNPs (<150 nm) conferred higher benefits than larger ones (>150 nm). This was likely a result of the greater plant tissue penetrability and surface area of the smaller CHNPs. The CHNPs were either applied after preparing an emulsion or incorporated into a film, with the latter often exhibiting greater antioxidant and antimicrobial activities. CHNPs were used to encapsulate essential oils, which could be released over time and may enhance the antioxidant and antimicrobial properties of the CHNPs. Even though most applications were performed after harvest, preharvest application had longer lasting effects.

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