Application of Pullulan and Chitosan Multilayer Coatings in Fresh Papayas
Source abstract
Abstract
In this work, some multilayer coatings (two-layer, four-layer or six-layer) based on pullulan and chitosan for protecting papayas were prepared by the layer-by-layer technique. The papayas were coated by immersion and stored at 25 °C, 50% relative humidity or up to 14 days. Uncoated and monolayer-coated papayas were used as controls. The pullulan/chitosan coatings decreased the papaya weight loss, softening, color change (b*, ΔE), and pH, retarded the fall of titratable acidity and vitamin C, and maintained respiratory rate and soluble solid contents. Sensory quality evaluation demonstrated that pullulan/chitosan coatings effectively preserved papaya flavor and overall acceptance. In general, the four-layer coatings provided the best fruit preservation. In conclusion, multilayer pullulan/chitosan coatings are efficient in maintaining the post-harvest quality and prolonging the shelf life of fresh papaya.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Nanocomposite Films for Food Packaging · Postharvest Quality and Shelf Life Management · Papaya Research and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Light Industry & Food Engineering, Guangxi University, Nanning 530004, China
Funding
Guangxi Science and Technology Plan Project (Project No. 2018AB45007) · Opening Project of Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control (Project No. KF201607)
References (51)
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