However, the elongation at break of the composite film showed a decreasing trend with increasing quercetin loading concentration, which is in agreement with prior studies [ 34 ].
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Biodegradable Quercetin-Incorporated Poly(Lactic Acid)/Chitosan Functional Films: A Study of the Properties and Application in Enhancing Fish Preservation.
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The sentences
The color difference (∆E) basically exhibited an increasing trend, with ∆E close to 30 suggesting deterioration of the fish.