Identification of Flavonoids in Leaves of a Labile Bicolor Flowering Dahlia (Dahlia variabilis) 'Yuino'
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- Ohno Sho
- Graduate School of Agriculture, Kyoto University
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- Hori Wakako
- Graduate School of Agriculture, Kyoto University
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- Hosokawa Munetaka
- Graduate School of Agriculture, Kyoto University
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- Tatsuzawa Fumi
- Faculty of Agriculture, Iwate University
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- Doi Motoaki
- Graduate School of Agriculture, Kyoto University
書誌事項
- タイトル別名
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- Identification of Flavonoids in Leaves of a Labile Bicolor Flowering Dahlia (<i>Dahlia variabilis</i>) ‘Yuino’
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<p>Bicolor flowering dahlias are a group of cultivars that produce inflorescences with bicolored petals characterized by a colored basal part and a white tip. However, they frequently produce single-colored petals, even if they are vegetatively propagated. In a previous study, strong relationships between inflorescence color and leaf phenotype were observed in a red–white bicolor flowering dahlia ‘Yuino’; red petal-producing individuals accumulate flavonoids in leaves, whereas only bicolor petal-producing individuals tend not to accumulate them in leaves. Flavonoids in leaves are assumed to be chalcones. In this study, we investigated flavonoids in the leaves of ‘Yuino’ by nuclear magnetic resonance analysis and identified six caffeoyl esters, four flavonol derivatives, and three novel butein derivatives in the flavonoid-rich leaves of ‘Yuino’. The three novel compounds were butein 4',4-O-di-[2-O-(β-glucopyranosyl)-β-glucopyranoside], butein 4'-O-[2-O-(β-glucopyranosyl)-β-glucopyranoside]-4-O-β-glucopyranoside, and butein 4'-[6-O-(3-hydroxy-3-methylglutaryl)-β-glucopyranoside]-4-O-β-glucopyranoside. On the other hand, only caffeoyl esters were detected in flavonoid-poor leaves. These data demonstrated that flavonoid-rich leaves accumulated the flavonoids of butein and flavonol derivatives. The common enzyme for the biosynthesis of butein and flavonol derivatives is chalcone synthase; thus, the importance of chalcone synthase for phenotypic lability in ‘Yuino’ was confirmed.</p>
収録刊行物
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- The Horticulture Journal
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The Horticulture Journal 87 (1), 140-148, 2018
一般社団法人 園芸学会
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詳細情報 詳細情報について
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- CRID
- 1390282680736947968
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- NII論文ID
- 130006337974
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- NII書誌ID
- AA12708073
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- ISSN
- 21890110
- 21890102
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- NDL書誌ID
- 028761939
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可