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Coating of Layer-by-Layer Assembly Based on Chitosan and CMC: Emerging Alternative for Quality Maintenance of Citrus Fruit

文献类型： 外文期刊

作者： Niu, Chenyu 1 ; Liu, Lingling 1 ; Farouk, Amr 2 ; Chen, Cunkun 3 ; Ban, Zhaojun 1 ;

作者机构： 1.Zhejiang Univ Sci & Technol, Sch Biol & Chem Engn, Zhejiang Prov Key Lab Chem & Biol Proc Technol Far, Hangzhou 310023, Peoples R China

2.Natl Res Ctr, Flavor & Aroma Chem Dept, Cairo 12622, Egypt

3.Tianjin Acad Agr Sci, Inst Agr Prod Preservat & Proc Technol, Natl Engn Technol Res Ctr Preservat Agr Prod, Tianjin 300384, Peoples R China

关键词： chitosan; CMC; FTIR; SEM; postharvest citrus; quality

期刊名称：HORTICULTURAE （ 影响因子：3.1； 五年影响因子：3.4 ）

ISSN：

年卷期： 2023 年 9 卷 6 期

页码：

收录情况： SCI

摘要： Citrus fruits are susceptible to microbial infection during storage and transportation, leading to weight loss, quality deterioration and even physiological decay. In this study, a layer-by-layer (LbL) self-assembly edible coating based on chitosan and Sodium carboxymethyl cellulose (CMC) was prepared using electrostatic deposition. Postharvest citrus fruits (Citrus reticulate cv. 'Chunxiang') were coated either with the LbL coating, which exhibited an increased transmission rate of water vapor, or with single chitosan coating. The data of some physiological indexes of citrus coated with LbL coating and single coating were compared after being stored at 13 & PLUSMN; 2 & DEG;C and at relative humidity (RH) at 80-85% (shelf-life condition) for 10 days. Results demonstrated that the LbL deposited coating was effective at maintaining morphological and microstructural attributes, increasing the surface brightness, firmness and the content of titratable acid and ascorbic acid, as well as reducing the weight loss after storage by about 0.8%. Results in the present study indicated that the LbL edible coating could have the potential to maintain postharvest citrus quality during storage.

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