Pigment formation by callus of Lavandula angustifolia |
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Authors: | Derik V Banthorpe Hilary J Bilyard David G Watson |
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Institution: | Chemistry Department, University College, London WC1H OAJ, U.K. |
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Abstract: | Callus cultures of Lavandula angustifolia accumulated and secreted the (Z,E)-2-(3,4-dihydroxyphenyl)ethenyl ester of 3-(3,4-dihydroxyphenyl)-2-propenoic acid and its (E,E)-isomer under a wide range of culture conditions. The secreted compounds formed intensely blue pigments by chelation with Fe(su2+)in the media. These unusual enol esters could not be detected in the parent plant but the (Z,E)-isomer occurred in shoots and foliage of Plectranthus caninus. |
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Keywords: | Labiatae tissue culture phenylpropanoid pigments caffeic esters of enols |
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