Novel edible coating based on shellac and tannic acid for prolonging postharvest shelf life and improving overall quality of mango

Ma, Jun; Zhou, Zhiqiang; Li, Kai; Li, Kun; Liu, Lanxiang; Zhang, Wenwen; Xu, Juan; Tu, Xinghao; Du, Liqing; Hong, Zhigang

doi:10.1016/j.foodchem.2021.129510

Cited by 58 publications

(39 citation statements)

References 32 publications

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“…These results indicated that the CH-PE coating can not only delay the yellowing of mangoes, but also reduce dark spots on the surface of mangoes. Similarly, Ma et al [ 29 ] reported that the composite coating based on shellac and an active agent, tannic acid, effectively reduced yellowing and dark spots, which further improved the postharvest quality and consumer acceptability of mangoes.…”

Section: Resultsmentioning

confidence: 98%

Effect of Chitosan Coatings with Cinnamon Essential Oil on Postharvest Quality of Mangoes

Zhou

et al. 2021

Foods

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Mango (Mangifera indica Linn.) is a famous climacteric fruit containing abundant flavor and nutrients in the tropics, but it is prone to decay without suitable postharvest preservation measures. In this study, the chitosan (CH)-cinnamon essential oil (CEO) Pickering emulsion (CH-PE) coating was prepared, with cellulose nanocrystals as the emulsifier, and applied to harvested mangoes at the green stage of maturity. It was compared with a pure CH coating and a CH-CEO emulsion (CH-E) coating, prepared with the emulsifier Tween 80. Results showed that the CH-PE coating had a lower water solubility and water vapor permeability than the other coatings, which was mainly due to electrostatic interactions, and had a better sustained-release performance for CEO than the CH-E coating. During mango storage, the CH-PE coating effectively improved the appearance of mangoes at 25 °C for 12 d by reducing yellowing and dark spots, and delayed water loss. Hardness was maintained and membrane lipid peroxidation was reduced by regulating the activities of pectin methyl esterase, polygalacturonase, and peroxidase. In addition, the nutrient quality was improved by the CH-PE coating, with higher contents of total soluble solid, titratable acid, and ascorbic acid. Therefore, the CH-PE coating is promising to comprehensively maintain the postharvest quality of mangoes, due to its enhanced physical and sustained-release properties.

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Section: Resultsmentioning

confidence: 98%

Effect of Chitosan Coatings with Cinnamon Essential Oil on Postharvest Quality of Mangoes

Zhou

et al. 2021

Foods

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“…It also can improve the mechanical properties of the coating on wooden substrate by extending the threshold of resistance to force and prolonging the self-healing time as a result of the good toughness of rice husk powder [22][23][24], as the core material, the shellac, a natural material, is green and environmentally friendly. The shellac has some excellent characteristics, such as moisture resistance, antirust, embalming, oil protection, acid resistance, and strong binding [25][26][27], and has been widely applied to the surface remediation of wooden crafts and precious musical instruments [28][29][30]. Therefore, the application of shellac microcapsule coated with melamine/rice husk powder has positive exploration significance and practical value on modification waterborne coatings on wood surface.…”

Section: Introductionmentioning

confidence: 99%

Coating Process Optimization and Self-Healing Performance Evaluation of Shellac Microcapsules Coated with Melamine/Rice Husk Powder

Yan

Yin

2021

Applied Sciences

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To explore the implication of the coating process on the comprehensive properties of water-based coating containing shellac microcapsules coated with melamine/rice husk powder on the Tilia cordata surface, the optical properties, mechanical properties, liquid resistance, aging resistance, chemical composition, and microstructure of the coating were analyzed comprehensively. After the best coating process was determined, compared with the coating without microcapsules, the self-repairing performance of the water-based coating containing shellac microcapsules coated with melamine/rice husk powder was explored via aging resistance test and scratch test. The results showed that the best comprehensive performance of the coating was obtained by three times primer, two times finish, and 6.0% shellac microcapsules coated with melamine/rice husk powder added in the primer. The coating with shellac microcapsules had significant stability, aging resistance, and self-healing performance, which can repair cracks in a certain period of time and inhibit the formation of cracks. At the core wall ratio of 0.75, the shellac which plays a role of the repair agent as the core material can effectively fill the microcracks in the coating to repair by flowing from the broken microcapsule because it can be physically cured at room temperature. The modification of waterborne coatings with shellac microcapsules coated with melamine/rice husk powder contributes the improved self-repairing properties of surface coatings containing heterogeneous natural polymer composites.

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“…Ma et al 2021 prepared edible coating by the use of shellac and tannic acid and evaluated its efficacy in extension of postharvest mango shelf-life during storage at room temperature [ 65 ]. Shellac is a natural biodegradable lipid polymer and has many advantages as excellent coating material owing to its prominent moisture resistance and fast drying ability.…”

Section: Agro-industrial Residues-based Materials In Fabrication Of Edible Coatingsmentioning

confidence: 99%

Potential of engineered nanostructured biopolymer based coatings for perishable fruits with Coronavirus safety perspectives

Singh

Ghosh

2022

Progress in Organic Coatings

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Fresh fruits are prioritized needs in order to fulfill the required health benefits for human beings. However, some essential fruits are highly perishable with very short shelf-life during storage because of microbial growth and infections. Thus improvement of fruits shelf-life is a serious concern for their proper utlization without generation of huge amount of fruit-waste. Among various methods employed in extension of fruits shelf-life, design and fabrication of edible nanocoatings with antimicrobial activities have attracted considerable interest because of their enormous potential, novel functions, eco-friendly nature and good durability. In recent years, scientific communities have payed increased attention in the development of advanced antimicrobial edible coatings to prolong the postharvest shelf-life of fruits using hydrocolloids. In this review, we attempted to highlight the technical breakthrough and recent advancements in development of edible fruit coating by the application of various types of agro-industrial residues and different active nanomaterials incorporated into the coatings and their effects on shelf-life of perishable fruits. Improvements in highly desired functions such as antioxidant/antimicrobial activities and mechanical properties of edible coating to significantly control the gases (O 2 /CO 2 ) permeation by the incorporation of nanoscale natural materials as well as metal nanoparticles are reviewed and discussed. In addition, by compiling recent knowledge, advantages of coatings on fruits for nutritional security during COVID-19 pandemic are also summarized along with the scientific challenges and insights for future developments in fabrication of engineered nanocoatings.

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Novel edible coating based on shellac and tannic acid for prolonging postharvest shelf life and improving overall quality of mango

Cited by 58 publications

References 32 publications

Effect of Chitosan Coatings with Cinnamon Essential Oil on Postharvest Quality of Mangoes

Effect of Chitosan Coatings with Cinnamon Essential Oil on Postharvest Quality of Mangoes

Coating Process Optimization and Self-Healing Performance Evaluation of Shellac Microcapsules Coated with Melamine/Rice Husk Powder

Potential of engineered nanostructured biopolymer based coatings for perishable fruits with Coronavirus safety perspectives

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