Characterization of Cyanic Flower Color of Delphinium Cultivars.

Hashimoto, Fumio; Tanaka, Munehiro; Maeda, Hiroko; Shimizu, Kazuo; Sakata, Yusuke

doi:10.2503/jjshs.69.428

Cited by 43 publications

(28 citation statements)

References 13 publications

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“…and allowed to dry in a dessicator for a week at room temperature. The dried petals were extracted with acidic methanolic solution (CHBH, H20, HCOOH and CF&OOH, 70 : 27 : 2 : 1 [v/v%]) (5 ml) according to Hashimoto et al (2000). The extract was filtered with Millipore disks (0.45,um) for use in the highperformance liquid chromatography (HPLC) analysis.…”

Section: Extraction Of Pigmentsmentioning

confidence: 99%

“…The content of anthocyanins in the petal as total anthocyanins (TA) was measured semi-quantitatively from a simple linear regression using Cy3G5G as a standard at 525nm, and calculated in mg/100mg dry petals (as a quantity of Cy3G5G mg%). Total flavonols (TF) and the copigmentation index (CI) were measured according to Hashimoto et al (2000). The TF, including flavones and related glycosides, was calculated from a simple linear regression equation, derived with rutin as a standard at 370 nm.…”

Section: Hplc Analysismentioning

confidence: 99%

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Analysis of Petal Anthocyanins to Investigate Flower Coloration of Zhongyuan (Chinese) and Daikon Island (Japanese) Tree Peony Cultivars

et al. 2001

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A comparative study was conducted on Zhongyuan (130, Chinese) and Daikon Island (37, Japanese) tree peony cultiiars to analyze anthocyanin constitutions in the petals in relation to flower colors. The distribution of flower hues displayed by loci of colors on a UELAB (International Commission on Illumination) diagram was found to be similar between cultivars of the two areas. However, the flower colors of a traditional classification did not correspond with the CIELAB hues. An identification by chemical structure of three anthocyanidins in the petals (pelargonidin, Pg; cyanidin, Cy and peonidin, Pn) classified the cultiiars into four flower groups, i.e. Pn, Pg; Pn, Pg>Cy; Pn, Cy and Pn,Cy > Pg groups. Each group consequently specified significant features among CIELAB color notation and petal pigmentation, being adequate to characterize tree peony flowers as similar between Zhongyuan and Daikon Island cultivars, thus the cultivars of the two areas are suggested to be related to one another.

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Section: Extraction Of Pigmentsmentioning

confidence: 99%

Section: Hplc Analysismentioning

confidence: 99%

Analysis of Petal Anthocyanins to Investigate Flower Coloration of Zhongyuan (Chinese) and Daikon Island (Japanese) Tree Peony Cultivars

et al. 2001

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“…The cooled reaction mixture was adjusted to 5 ml by adding 1% HClMeOH, directly filtered with Millipore disks (0.45 mm), and then submitted for HPLC analysis. Qualitative and quantitative HPLC analysis of three flavones and three flavonols was described in a recent report (Wang et al 2001b (Hashimoto et al 2000). Qualitative HPLC analysis of six anthocyanins was used with a linear flow gradient under the conditions described in a recent paper (Wang et al 2001a).…”

Section: Pigment Extraction and Hplc Analysesmentioning

confidence: 99%

Chemical taxonomy of the Xibei tree peony from China by floral pigmentation

Wang¹,

Hashimoto

Shiraishi

et al. 2004

Journal of Plant Research

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Petal flavonoid compositions of 39 tree peony cultivars from Xibei (northwest China) were investigated in order to study the chemotaxonomic relationship among tree peony species. Six anthocyanins, the 3- O-glucosides and 3,5-di- O-glucosides of three anthocyanidins-pelargonidin (Pg), cyanidin (Cy), and peonidin (Pn)-exist in petals without a blotch at the base. The flowers are classified into three anthocyanidin phenotypes: 'Pn, Pg>Cy'; 'Pn, Cy'; and 'Pn, Cy>Pg'. Furthermore, the yellow pigments are identified as three flavones and three flavonols: apigenin, luteolin, chrysoeriol, and kaempferol, quercetin, and isorhamnetin, respectively. Ward's minimum-variance cluster analysis with principal component analysis produced a dendrogram using standardized scores of 20 pigment variables. Of 39 cultivars, 11 clustered with white flowered Paeonia rockii and 17 with pink flowered P. rockii. The other 11 cultivars matched either P. delavayi or P. potaninii. The result suggests that the Xibei tree peony originated mainly from P. rockii.

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“…The ‰ower color, and speciˆcally the sepal coloration of cyanic Delphinium cultivars, depends on the pigmentation with acylated and non-acylated anthocyanins concomitantly produced and their accumulation aŠecting the appearance. 1) The search for acylated anthocyanins was begun by Kondo et al 2,3) Two pigments, violdelphin (3) and cyanodelphin (4), were isolated and reported as delphinidin glycosides esteriˆed by two and four p-hydroxybenzoic acids from the purple and blue ‰owered cultivars, respectively. Futhermore, delphinidin 3-O-rutinosyl-7-O-glucoside (bisdeacylplatyconin, 1) and delphinidin 3-O-rutinoside (tulipanin, 2) were identiˆed as the major anthocyanins in the white and pink ‰owered cultivars, respectively.…”

Section: Changes In Flower Coloration and Sepal Anthocyanins Of Cyanimentioning

confidence: 99%

“…4,5,6) However, the ‰ower color is expressed by a blend of the respective major pigments, acylated and W or non-acylated anthocyanins, which results in the various color attributes. 1) In some cyanic delphiniums, the coloration of the sepals changes with anthesis. Such a color change has been extensively discussed with Lathyrus odoratus, 7,8) Impatiens balsamina, 9) Rosa spp., 10) Antirrhinum majus, 11) and Campanula isophylla.…”

Section: Changes In Flower Coloration and Sepal Anthocyanins Of Cyanimentioning

confidence: 99%

Changes in Flower Coloration and Sepal Anthocyanins of Cyanic Delphinium Cultivars during Flowering

Hashimoto

Tanaka

Maeda

et al. 2002

Bioscience, Biotechnology, and Biochemistry

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The changes in flower color related to sepal pigmentation of cyanic Delphinium cultivars were investigated during anthesis. The sepal hues of the purple and blue flowered varieties observed on the initial day of unfurling had changed with a decrease in hue angle three days after anthesis. In both the purple and blue cultivars, violdelphin (3) was the major component on day one of anthesis, and the chromaticity improved with increasing sepal concentrations of violdelphin (3) and cyanodelphin (4) after three days of unfurling. The flower hue was dominated by the constitution of acylated anthocyanins, and the chromaticity was ordered by the sepal concentration. The biosynthesis of cyanodelphin (4) from violdelphin (3) was postulated since an increase in the sepal concentration of cyanodelphin (4) was accompanied by a decrease in violdelphin (3). Acylation of the anthocyanins was initiated by an increase in the respective possible precursors, tulipanin (2) and violdelphin (3), to subsequently synthesize violdelphin (3) and cyanodelphin (4) during flowering.

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Characterization of Cyanic Flower Color of Delphinium Cultivars.

Cited by 43 publications

References 13 publications

Analysis of Petal Anthocyanins to Investigate Flower Coloration of Zhongyuan (Chinese) and Daikon Island (Japanese) Tree Peony Cultivars

Analysis of Petal Anthocyanins to Investigate Flower Coloration of Zhongyuan (Chinese) and Daikon Island (Japanese) Tree Peony Cultivars

Chemical taxonomy of the Xibei tree peony from China by floral pigmentation

Changes in Flower Coloration and Sepal Anthocyanins of Cyanic Delphinium Cultivars during Flowering

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