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杂交兰花瓣类黄酮成分分析及其对花色的影响

花匠小妙招
2025-11-11 12:03

Flavonoids Component Analysis in Cymbidium Hybrid Petals and Its Effects on Flower Coloration

Author:

KONG Lan, LIN Rongyan, FAN Ronghui, LIN Bing, FANG Nengyan, ZHONG Huaiqin

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摘要:

为探究杂交兰花色形成的物质基础，以7个杂交兰品种为研究材料，采用显色反应、紫外可见光谱方法初步判断花瓣中色素的类型；利用超高效液相色谱串联质谱(UPLCMS/MS)技术分析黄色系品种‘玉凤’和红色系品种‘福韵红霞’中代谢物组分及其含量差异，为探索杂交兰花色形成机理和兰花育种提供理论依据。结果表明：(1)7个品种均含有黄酮类化合物，不含类胡萝卜素，除‘玉凤’和‘双艺雅凤’外均含有花青素。(2)在代谢物中检测到160种差异代谢物，显著富集在花青素生物合成途径与黄酮和黄酮醇生物合成途径。(3)矢车菊素衍生物和芍药素衍生物是红色系杂交兰‘福韵红霞’的主要花色素成分；槲皮素类衍生物是黄色系‘玉凤’的主要花色素成分，推测花青素和黄酮醇生物合成的分流是杂交兰花色变化的主要原因。

Abstract:

We analyzed 7 cultivars of Cymbidium hybrid to explore on components basis of flower coloration. The pigment type was determined by chromogenic reaction and UVvisible spectra, and pigment components and content differences between yellow ‘Yufeng’ and red ‘Fuyunhongxia’ were conducted by ulterperformance liquid chromatography tandem mass spectrometry (UPLCMS/MS). This will provide theoretical references for further revealing mechanism of color formation and breeding in Cymbidium hybrid. The results showed that: (1) 7 cultivars all contained flavonoids, but did not contain carotenoids. Except for ‘Yufeng’ and ‘Shuangyiyafeng’, the rest contained anthocyanins. (2) A total of 160 differential metabolites were identified between the two cultivars and they exhibited more significant enrichment in anthocyanin biosynthesis and flavone and flavonol biosynthesis. (3) In ‘Fuyunhongxia’, the main flavonoids metabolotes are cyandin derivatives and peonidin derivatives, while flavonoids metabolites in ‘Yufeng’ are quercetin derivatives. The results indicated that the diversion of anthocyanin and flavonol is a major reason for the color change in Cymbidium hybrid.

引用本文

孔兰,林榕燕,樊荣辉,等.杂交兰花瓣类黄酮成分分析及其对花色的影响[J].西北植物学报,2022,42(10):1711-1719

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