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. 2021 Nov 23;163:106632. doi: 10.1016/j.porgcoat.2021.106632

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Fig. 5 — (a) Schematic representation of reaction between silk fibroin (SF) with poly (vinyl alcohol) (PVOH) for the formation of multi-layered membranes and assembling of membrane on fresh-cut fruit upon dip coating. Reproduced with permission from Ref. [63]; Copyright 2020, ACS.

(b). Schematic representation of fresh-cut apple coating with bilayer of silk fibroin (SF) and poly (vinyl alcohol) (PVOH) for the evaluation of preservation studies. Reproduced with permission from Ref. [63]; Copyright 2020, ACS.