Flavanones and dihydroflavonols as biosynthetic intermediates in Matthiola incana |
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Authors: | Gert Forkmann |
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Affiliation: | Institut für Biologie II, Lehrstuhl für Genetik der Universität Tübingen, Auf der Morgenstelle 28, D-7400 Tübingen, W. Germany |
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Abstract: | In anthocyanin-producing flowers of Matthiola incana, the presence of naringenin, naringenin 7-glucoside, dihydrokaempferol and dihydrokaempferol 7-glucoside could be demonstrated. The four isolated compounds initiated anthocyanin synthesis after administration to acyanic flowers of genetically defined lines of Matthiola incana and Antirrhinum majus. Therefore, these compounds cannot be regarded as end-products but rather as intermediates in anthocyanin biosynthesis. Furthermore, naringenin 7-glucoside and dihydrokaempferol 7-glucoside most probably act as a pool for their aglycones, which serve as the actual substrates. |
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Keywords: | Cruciferae biosynthesis flavanones dihydroflavonols precursors. |
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