The Chemical Effect of a Mendelian Factor for Flower Colour

Abstract

IN 1914, Willstätter isolated the anthocyanin pelargonin from the flowers of the scarlet Pelargonium zonale, and stated that a certain violet-red variety contained cyanin, with a trace of pelargonin. Recently, Robinson and his collaborators have shown that in both these diglucosidal pigments the sugar residue is probably attached at position 5 on the anthocyanidin molecule. If this is so, the only structural difference between these two pigments is the extra hydroxyl group possessed by cyanin at position 3.

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MONCRIEFF, R. The Chemical Effect of a Mendelian Factor for Flower Colour. Nature 127, 974–975 (1931). https://doi.org/10.1038/127974c0

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