Effectiveness of cellulose and chitosan nanomaterial coatings with essential oil on postharvest strawberry quality

被引：59

作者：

Lee, Danbee ^{[1
]}

Shayan, Mohammad ^{[1
]}

Gwon, Jaegyoung ^{[2
]}

Picha, David H. ^{[3
]}

Wu, Qinglin ^{[1
]}

机构：

[1] Louisiana State Univ AgCtr, Sch Renewable Nat Resources, Baton Rouge, LA 70803 USA

[2] Natl Inst Forest Sci, Forest Prod Dept, 57 Hoegiro, Seoul 02455, South Korea

[3] Louisiana State Univ AgCtr, Sch Plant Environm & Soil Sci, Baton Rouge, LA 70803 USA

来源：

CARBOHYDRATE POLYMERS | 2022年 / 298卷

关键词：

Edible Coatings; Cellulose nanocrystals; Chitosan nanofibers; Essential oil; Shelf life; Strawberry; ANTIOXIDANT ENZYME-SYSTEM; SHELF-LIFE; EDIBLE FILMS; NANOCRYSTALS; MORPHOLOGY; ALGINATE; METHYLCELLULOSE; PRESERVATION; EXTRACT; FRUIT;

D O I：

10.1016/j.carbpol.2022.120101

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Polysaccharide materials, including bagasse cellulose nanocrystals (BCNCs), chitosan nanofibers (ChNFs), and sodium alginate (SA), were blended with oregano essential oil (OEO) to make single-and multi-polysaccharide edible coating suspensions. The prepared suspensions were spray-coated on strawberry surface to form thin films with thickness varying from about 570 to 790 nm for single-polysaccharide coatings and 690-930 nm for multi -polysaccharide coatings. The coatings made with multi-polysaccharide were more effective in inhibiting fungal growth compared with single-polysaccharide coatings. Strawberry treated with SA/BCNC/ChNF/OEO formula-tion had only 10.8 % weight loss after nine days of storage. In contrast, uncoated and single-polysaccharide coated strawberries had > 37.0 % and 28.6 % weight loss, respectively. In addition, the SA/BCNC/ChNF/OEO coating retained desired moisture, respiration rate, stiffness, firmness, and appearance properties of strawberry due to its gas barrier properties resulting from the entangled matrix structure. These results suggest that the multi-polysaccharide suspensions with OEO have a high potential for application as edible coatings for retarding senescence of strawberries.

引用

页数：11

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