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SEM images showing the microstructure of AVG-based edible coatings. (a) AVG (T1), (b) AVG + glycerol (T2), (c) AVG + glycerol + anthocyanin + 0.2% (T3), (d) AVG + glycerol + anthocyanin + 0.5% (T4). Scale bar: (a,b) = 200 nm, (c,d) = 10 µm. Magnifications: (a,b) 200,000×, (b,c) 5000×.
