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Classification of Food Colours — Card 12 of 14
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Question
Anthocyanins are most stable in which pH condition?
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Answer
C. Acidic
Anthocyanins are most stable in acidic conditions (pH 1–3), where they exist predominantly as the flavylium cation, which imparts a bright red color. As the pH increases, anthocyanins undergo structural changes that reduce their stability and alter their color:
Acidic (pH 1–...
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