Highlights • First report on structural change in κ-carrageenan under ultrasonic condition.• Sonication decreased the average molecular weight of κ-carrageenan.• Sonication afforded minor modification in the structure of the κ-carrageenan… Click to show full abstract
Highlights • First report on structural change in κ-carrageenan under ultrasonic condition.• Sonication decreased the average molecular weight of κ-carrageenan.• Sonication afforded minor modification in the structure of the κ-carrageenan repeating units.
               
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