Development of a novel colorimetric pH-indicator film based on CMC/flaxseed gum/betacyanin from beetroot peels: A powerful tool to monitor the beef meat freshness
M Chaari, K Elhadef, S Akermi, L Tounsi… - Sustainable Chemistry …, 2024 - Elsevier
A novel indicator film based on carboxymethyl-cellulose (CMC)/flaxseed gum (FG) was
developed by introducing betacyanin (BC) from beetroot peel extract. Remarkably,
CMC/FG/BC film exhibited a dynamic color transition from pink to yellow in response to pH
changes from 1 to 12. Beyond its pH sensitivity, the newly developed film demonstrated
exceptional sensitivity to ammonia solution concentrations, detecting variation from 0.125 to
0.5 mg/mL with a significant ΔE (P< 0.05) change when a concentration of 0.5 mg/mL was …
developed by introducing betacyanin (BC) from beetroot peel extract. Remarkably,
CMC/FG/BC film exhibited a dynamic color transition from pink to yellow in response to pH
changes from 1 to 12. Beyond its pH sensitivity, the newly developed film demonstrated
exceptional sensitivity to ammonia solution concentrations, detecting variation from 0.125 to
0.5 mg/mL with a significant ΔE (P< 0.05) change when a concentration of 0.5 mg/mL was …
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