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园艺学报 ›› 2011, Vol. 38 ›› Issue (3): 527-535.

• 观赏植物 • 上一篇    下一篇

贴梗海棠花青苷组成及其与花色的关系

张 洁1,2,王亮生2,*,高锦明1,*,李圣波3,徐彦军4,李崇晖2,5,杨瑞珍2,5   

  1. 1西北农林科技大学理学院,陕西杨凌 712100;2中国科学院植物研究所北京植物园,北京 100093;3山东亚特生态技术有限公司,山东临沂 276017;4中国农业大学理学院,北京 100193;5中国科学院研究生院,北京 100049)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-03-25 发布日期:2011-03-25

Identification of Anthocyanins Involving in Petal Coloration in Chaenomeles speciosa Cultivars

ZHANG Jie 1,2,WANG Liang-sheng 2,*,GAO Jin-ming 1,*,LI Sheng-bo3,XU Yan-jun4,LI Chong-hui 2,5,and YANG Rui-zhen 2,5   

  1. 1College of Science,Northwest A & F University,Yangling,Shaanxi 712100,China;2Beijing Botanical Garden,Institute of Botany,the Chinese Academy of Sciences,Beijing 100093,China;3Shandong Yate Eco-tech Co. LTD.,Linyi,Shandong 276017,China;4College of Science,China Agricultural University,Beijing 100193,China;5Graduate University of Chinese Academy of Sciences,Beijing 100049,China)     
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-03-25 Published:2011-03-25

摘要: 以贴梗海棠[Chaenomeles speciosa(Sweet)Nakai]不同花色的24份种质为材料,调查了其花色在CIE L*a*b*表色系的分布状况,利用高效液相色谱—光电二极管阵列检测(HPLC–DAD)和高效液相色谱—电喷雾离子化—多级质谱联用技术(HPLC–ESI–MSn)定性定量分析其花青苷组分,运用多元线性回归方法分析了花色与花青苷组成之间的关系。结果表明,贴梗海棠花瓣中共含有6种花青苷,分别是矢车菊素–3–O–半乳糖苷(Cy3Ga)、矢车菊素–3–O–葡萄糖苷、天竺葵素–3–O–半乳糖苷、天竺葵素–3–O–(半乳糖葡萄糖苷)[Pg3(Ga-G)]、矢车菊素–3–O–(半乳糖葡萄糖苷)以及矢车菊素–3–O–琥珀酸–阿拉伯糖苷(Cy3SucAra)。Cy3SucAra为首次发现。其中,Cy3Ga、Pg3(Ga-G)和Cy3SucAra是决定贴梗海棠花色的主要色素,这3种色素含量的增加导致花色显著变红。基于花青苷的组成信息,探讨了贴梗海棠的花色改良和蓝色花创制的策略。

关键词: 贴梗海棠, 花青苷, 高效液相色谱, 质谱, 花色形成机制

Abstract: Coloration and anthocyanins of petals collected from Chaenomeles speciosa(Sweet Nakai of 24 accessions were determined. Color was measured by CIE L*a*b* scale and anthocyanins composition of C. speciosa was determined using high-performance liquid chromatography coupled with photodiode array detection(HPLC–DAD)and HPLC electrospray ionization mass spectrometry(HPLC–ESI–MSn). Cyanidin-3-O-galactoside(Cy3Ga),cyanidin-3-O-glucoside,pelargonidin-3-O-galactoside,pelargonidin-3-O-(galactose-glucose)[Pg3(Ga-G)],cyanidin-3-O-(galactose-glucose)and cyanidin-3-O- succinylarabinoside(Cy3SucAra)were detected. Cy3SucAra was identified in C. speciosa for the first time. We explored the relationship between petal colors and anthocyanin contents by multiple linear regression analyses. The results indicated that Cy3Ga,Pg3(Ga-G)and Cy3SucAra were important pigments,high contents of which significantly enhanced the red color of petals. Based on anthocyanins constitutions,flower color modification and blue color breeding for C. speciosa were discussed.

Key words: Chaenomeles speciosa, anthocyanin, HPLC–DAD, MS, petal coloration

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