Study of polyvinyl alcohol/starch-based hydrogel pads loaded with blueberry anthocyanin/citric acid/gardenia red/yellow/blue overlapping color system for monitoring beef freshness
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In this study, a water-absorbent indicator pad with blueberry anthocyanins (BA), citric acid (CA), gardenia yellow (Y), gardenia red (R), gardenia blue (B) and their compound colors superimposed in a polyvinyl alcohol/starch-based hydrogel was prepared for dyn... ...
