Rosacyanin B is composed of cyanidin and gallic acid. The two pigments in 'Sterling Silver', Rosacyanin A1 and Rosacyanin A2, are Rosacyanin B connected to different ellagitannins.
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Rosacyanin B is composed of cyanidin and gallic acid.
The two pigments in 'Sterling Silver', Rosacyanin A1 and Rosacyanin A2, are Rosacyanin B connected to different ellagitannins.