Table

The Copigmenting Effect of Different Type of Compounds on Cyanidin 3,5-Diglucoside (2 x 10 3 M, pH 3.31, ^max 508 nm)

Compound/Chemical Class

% Absorbance

^max AXmax ta^e^e at Xmax

Aureusidin/aurone Brucine/alkaloid Proline/amino acids Procatechuic acid/benzoic acid Esculin/coumarin Sinapic acid/cinnamic acid Phloridizin/dihydrochalcone (+) Catechin/flavan 3-ols Apigenin 7-glucoside/flavone

6-C-Glucosylgenkwanin (swertsin)/C-glycosil flavones

Hesperidin/flavanone

Quercetin 3-galactoside/flavanols

540 32 512 4 508 0 510 2 514 6 519 11 517 9 514 6 517 9

541 33 521 13 531 23

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