Der substitutionsspezifische einfluss von chalkonen auf die anthocyanbiosynthese bei Petunia hybrida |
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Authors: | Rudolf Endress |
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Institution: | Lehrstuhl für Botanische Entwicklungsphysiologie, der Universität Hohenheim, B.R.D. 7 Stuttgart-Hohenheim, Emil Wolffstr. 25 Germany |
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Abstract: | The effect of two chalcones, 3,4,2′,4′,6′-pentahydroxy- and the 4, 2 ′,4′,6′ -tetrahydroxy- 3-methoxy-chalcone- 4′-glucoside, on the synthesis of different flower anthocyanins in isolated petals of Petunia hybrida has been investigated. The results show that the synthesis of those anthocyanins, which have the same substitution pattern as the chalcone used was increased. This suggests that the chalcones are incorporated into the anthocyanins concerned. When the chalcones were fed together with acetic acid-1-14C], this specific substitution effect was detectable only for the 3,4,2′,4′,6′-pentahydroxy-chalcone-4′-glucoside. |
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Keywords: | Solanaceae anthocyanin biosynthesis B-ring substitution pattern chalcone substitution pattern |
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