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dc.contributor.authorGeorge, Florian-
dc.contributor.authorFigueiredo, Paulo-
dc.contributor.authorToki, Kenjiro-
dc.contributor.authorTatsuzawa, Fumi-
dc.contributor.authorSaito, Norio-
dc.contributor.authorBrouillard, Raymond-
dc.identifier.citationPhytochemistry, Vol. 57, pages 791-795pt_PT
dc.description.abstractThe recently isolated pigments from Petunia integrifolia and Triteleia bridgesii present a distinct feature that sheds new light on the understanding of intramolecular copigmentation of anthocyanins. These are among the infrequent anthocyanins that naturally present a coumaric acid substituent in both cis and trans forms. As a consequence, the two isomers demonstrate substantial variations of their thermodynamic and kinetic constants and also colour properties. A possible explanation for these characteristics is presented, making use of molecular modelling and taking into account the three-dimensional structures of the pigments.pt_PT
dc.titleInfluence of trans-cis isomerisation of coumaric acid substituents on colour variance and stabilisation in anthocyaninspt_PT
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