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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Triacylated anthocyanins from Ajuga reptans flowers and cell cultures.

Four anthocyanins were isolated from Ajuga reptans flowers and one from the cell cultures. By FAB mass spectrometry measurements, the structures of these pigments were determined as delphinidin and cyanidin glucosides acylated with two cinnamic acids, while three of them were also malonylated. A delphinidin-based pigment in the crude extract from cell cultures was identical to the major flower pigment as shown by HPLC co-chromatography. Moreover, by application of 1H and 13C NMR consisting of DQF-COSY, NOESY, ROESY, 2D-HOHAHA, HSQC and HMBC methods, the structures of two new anthocyanins were identified as delphinidin and cyanidin 3-O-(2-O-(6-O-(E)-p-coumaryl-beta-D-glucopyranosyl)-(6-O-(E)-p- coumaryl)-beta-D-glucopyranosyl)-5-O-(6-O-malonyl-beta-D-glucopyranoside ). The deacylated anthocyanins were confirmed as delphinidin and cyanidin 3-sophoroside-5-glucosides.[1]


  1. Triacylated anthocyanins from Ajuga reptans flowers and cell cultures. Terahara, N., Callebaut, A., Ohba, R., Nagata, T., Ohnishi-Kameyama, M., Suzuki, M. Phytochemistry (1996) [Pubmed]
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