Comparative profiling and natural variation of polymethoxylated flavones in various citrus germplasms
文献类型： 外文期刊
作者： Peng, Zhaoxin 1 ; Zhang, Haipeng 1 ; Li, Wenyun 1 ; Yuan, Ziyu 1 ; Xie, Zongzhou 1 ; Zhang, Hongyan 1 ; Cheng, Yunjian 1 ;
作者机构： 1.Huazhong Agr Univ, Coll Hort & Forestry, Key Lab Hort Plant Biol, Minist Educ, Wuhan 430070, Peoples R China
2.Henan Agr Univ, Coll Hort, Zhengzhou 450000, Peoples R China
3.Guizhou Acad Agr Sci, Guizhou Fruit Inst, Guiyang 550006, Peoples R China
关键词： Citrus germplasm; Polymethoxylated flavon e; Chemotaxonomy; Wild mandari n; Functional food
期刊名称：FOOD CHEMISTRY （ 影响因子：6.306； 五年影响因子：6.219 ）
ISSN： 0308-8146
年卷期： 2021 年 354 卷
页码：
收录情况： SCI
摘要： Citrus fruits are the main dietary source of polymethoxylated flavones (PMFs) with significant effects on consumer health. In this study, eleven main PMFs were evaluated in the fruit flavedo or leaves of 116 citrus accessions via UPLC?DAD?ESI-QTOF-MS/MS combined with HPLC?DAD analysis, which revealed significant species-specific and spatiotemporal characteristics. All Citrus reticulata and their natural or artificial hybrids were found to have detectable PMFs, especially in the fruit flavedo of the wild or early-cultivated mandarins at early fruit development stages. However, PMFs were not detected in citrons, pummelos, kumquats, trifoliata oranges, papedas, Chinese box oranges and ?Mangshanyegan?. The results enlightened that PMF accumulation only in mandarins and mandarin hybrids is a phenotype inherited from mandarin ancestors. This study provides a comprehensive PMF profile in various citrus germplasms and will benefit future functional citrus breeding practices aimed at designing plants rich in total or specific PMFs for health benefits.
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