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Molecular cloning, substrate specificity of the functionally expressed dihydroflavonol 4-reductases from Malus domestica and Pyrus communis cultivars and the consequences for flavonoid metabolism.
Treatment with the dioxygenase inhibitor prohexadione-Ca leads to major changes in the flavonoid metabolism of apple (Malus domestica) and pear (Pyrus communis) leaves. Accumulation of unusualExpand
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Suppression of Pythium ultimum by Biowaste Composts in Relation to Compost Microbial Biomass, Activity and Content of Phenolic Compounds
Seventeen composts from separately collected organic household waste plus one bark compost and one compost from grape marc were analysed for suppression of Pythium ultimum, phytotoxicity, microbialExpand
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Biosynthesis of phloridzin in apple (Malus domestica Borkh.)
Abstract In contrast to the ubiquitously present flavonoids, dihydrochalcones seem to be restricted to approx. 30 plant families. In apple (Malus domestica Borkh.), the dihydrochalcone phloridzinExpand
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Flavonoid genes of pear (Pyrus communis)
Pear (Pyrus sp.) is a major fruit crop of temperate regions with increasing extent of cultivation. Pear flavonoids contribute to its fruit color, pathogen defense, and are health beneficialExpand
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Enzymatic conversion of dihydroflavonols to flavan-3,4-diols using flower extracts of Dianthus caryophyllus L. (carnation)
Flavonoid analysis and supplementation experiments with dihydroflavonols and leucocyanidin on two cyanic, two acyanic and one white/red-variegated flowering strain of Dianthus caryophyllusExpand
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'Le Rouge et le Noir': A decline in flavone formation correlates with the rare color of black dahlia (Dahlia variabilis hort.) flowers
BackgroundMore than 20,000 cultivars of garden dahlia (Dahlia variabilis hort.) are available showing flower colour from white, yellow and orange to every imaginable hue of red and purple tones.Expand
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Screening for inhibitors of 2-oxoglutarate-dependent dioxygenases: Flavanone 3β-hydroxylase and flavonol synthase☆
Abstract 2-Oxoglutarate-dependent dioxygenases (2-ODDs) catalyze numerous steps in biosynthetic pathways of plants. Prohexadione-Ca is a known inhibitor of such reactions, due to its structuralExpand
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Two-phase flavonoid formation in developing strawberry (Fragaria x ananassa) fruit.
Flavonoids are important secondary metabolites in strawberry as they fulfill a wide variety of physiological functions. In addition, they are beneficial for human health. Previous studies have shownExpand
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Biochemical formation of anthocyanins in silk tissue of Zea mays
Two types of anthocyanins are formed in tissues of Zea mays (maize), the common 3-hydroxyanthocyanins and the rare 3deoxyanthocyanins. Their formation is generally controlled by independentExpand
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Shift in polyphenol profile and sublethal phenotype caused by silencing of anthocyanidin synthase in apple (Malus sp.)
We have investigated the consequences of blocking anthocyanin biosynthesis by silencing a key enzyme, anthocyanidin synthase, in transgenic plants of a red-leaved apple cultivar. This isExpand
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