HAN Meiling,ZHAO Yuheng,LI Houhua,et al.Analysis of Phenolic Material Accumulation and Flower Color Fading Forms of Different Malus spp.During Flowering Process[J].Northern Horticulture,2023,(16):64-70.[doi:10.11937/bfyy.20224807]
开花过程中不同海棠花瓣酚类物质动态变化与花色淡化原因分析
- Title:
- Analysis of Phenolic Material Accumulation and Flower Color Fading Forms of Different Malus spp.During Flowering Process
- Keywords:
- Malus spp.; flower color; polyphenol; anthocyanin
- 文献标志码:
- A
- 摘要:
- 以不同花色的海棠(‘绚丽’海棠、垂丝海棠、西府海棠、‘春喜’海棠和湖北海棠)为试材,采集不同开花时期的花瓣,观测其花色变化的过程,采用紫外分光光度计和高效液相色谱仪的方法测定花瓣酚类物质的含量和种类,研究了影响不同海棠花色差异和淡化的关键物质,以期为探究海棠花色淡化机制与花色育种提供参考依据。结果表明:5种海棠 中,‘绚丽’海棠的花色最红,开花过程 中,亮度L*值最低,总花青苷含量最高;湖北海棠花瓣在开花过程 中以白色为主,其L*值是最高的,总花青苷含量是极低的。因此花青苷含量的差异是引起海棠花色差异的关键原因。在开花过程 中,不同海棠花色显著淡化,总多酚、总黄酮、总花青苷含量均显著下降。花瓣 中含有丰富的花青苷、黄酮醇、黄烷酮、黄烷醇、二氢黄酮醇和酚酸类物质。其 中矢车菊素-3-O-半乳糖苷是海棠花瓣 中主要的花青苷,其含量在开花过程 中均显著降低,是引起花色淡化的主要物质。花瓣 中也检测到丰富的槲皮素-3-O-葡萄糖醛酸苷、金丝桃苷、绿原酸、根皮苷等物质,推测能够辅助花青苷呈色。
- Abstract:
- Five Malus spp.,including Malus ‘Radiant’,Malus halliana,Malus micromalus,Malus ‘Spring Sensation’,Malus hupehensis,were used as test materials.The petals at different blooming stages were collected,and the processes of flower color changing were observed.The contents and kinds of polyphenols in petals were detected through spectrophotometer and high performance liquid chromatography.The study objects are aimed at ascertaining the key substance influencing the flower color difference and fading of different Malus spp.,in order to provide reference for exploring the fading mechanism and breeding of flower color.The results showed that among five Malus spp.,the flower colors of Malus ‘Radiant’were the reddest,correspondingly,brightness L* values were the lowest and total anthocyanin contents were the highest.The flower colors of Malus hupehensis were nearly white during blooming process,correspondingly,L* values were the highest and total anthocyanin contents were extremely low.Therefore,the difference of anthocyanin contents was the key reason for the difference of Malus spp.flower colors.The flower colors of Malus spp.faded significantly,and total phenol contents,total flavonoid contents,and total anthocyanin contents decreased evidently during blooming process.There were abundant anthocyanins,flavonols,flavanols,flavonones,phenolic acids,and dihydroflavonols detected in petals .The cyanindin-3-O-galactoside was the main anthocyanin in Malus spp.petals,and its contents were significantly decreased during blooming process,which was the main subtance for the flower fading.Also,the high levels of quercetin-3-O-glucuronide,hyperoside,chlorogenic acid,and phloridzin were detected in petals.It was speculated that these polyphenols could assist anthocyanin color.
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备注/Memo
第一作者简介:韩美玲(1991-),女,博士,讲师,现主要从事园林植物类黄酮合成途径等研究工作。E-mail:hml1215@sxau.edu.cn.责任作者:李厚华(1973-),男,博士,教授,现主要从事园林植物类黄酮次生代谢及转基因等研究工作。E-mail:lihouhua73@163.com.基金项目:山西省自然科学基金资助项目(20210302124687);山西农业大学博士科研启动基金资助项目(2020BQ52);国家自然科学基金资助项目(32171862)。收稿日期:2022-11-24