2.3 STABILITY OF ANTHOCYANINSThe stability of anthocyanins is dependent on several factors including the structure ofthe anthocyanins, temperature, pH, light intensity, oxygen availability and presence ofenzyme, ascorbic acid, sugar and metal ion in the system (Roobha, Saravanakumar,Aravindhan, & Devi, 2011). Isolated anthocyanins are very unstable and highlysusceptible to degradation (Giusti & Wrolstad, 2003).
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