Separation of anthocyanin chalcones by h
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Nigel W. Preston; Colin F. Timberlake
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Article
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1981
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Elsevier Science
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English
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Anthocyanins such as malvidin 3-glucoside and malvidin 3,Sdiglucoside can occur in four chemical structures between pH values O-6, viz. the flavylium cation (AH+), the quinoidal base (A), the carbinol base (B) and the chalcone (C) (Fig. )'~~.