https://www.ahs.ac.cn/images/0513-353X/images/top-banner1.jpg|#|苹果
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园艺学报 ›› 2016, Vol. 43 ›› Issue (2): 384-400.doi: 10.16420/j.issn.0513-353x.2015-0689

• 综述 • 上一篇    下一篇

柑橘中类黄酮的组成与代谢研究进展

陈嘉景,彭昭欣,石梅艳,徐 娟*   

  1. 华中农业大学园艺林学学院,园艺植物生物学教育部重点实验室,武汉 430070
  • 出版日期:2016-02-25 发布日期:2016-02-25
  • 基金资助:

    农业部公益性行业(农业)科研专项(201303093);国家重点基础研究发展计划(‘973’计划)项目(2011CB100603);教育部新世纪优秀人才支持计划项目(NCET-13-0810);中央高校基本科研业务费专项(2014PY021)

Advances in on Flavonoid Composition and Metabolism in Citrus

CHEN Jia-jing,PENG Zhao-xin,SHI Mei-yan,and XU Juan*   

  1. Key Laboratory of Horticultural Plant Biology(Ministry of Education),College of Horticulture & Forestry Sciences,Huazhong Agricultural University,Wuhan 430070,China
  • Online:2016-02-25 Published:2016-02-25

摘要:

柑橘是人类膳食中类黄酮的主要来源之一。类黄酮对人体健康有多方面的生理功能,且其抗癌、抗病毒、抗炎及抑菌效果可能基于其强抗氧化活性。柑橘中的类黄酮类物质分为黄烷酮、黄酮、黄酮醇、二氢黄酮醇和花色苷等几类,且以黄烷酮糖苷类含量最为丰富。柑橘中类黄酮组成和含量因种质和组织部位而异,柚果实中含有大量苦味的新橘皮糖苷类,而甜橙和橘果实中以无苦味的柚皮芸香糖苷类为主。目前,对类黄酮代谢途径的认识主要局限于其主通路上,但对类黄酮糖基化、酰基化以及甲基化等相关的基因和酶类研究较少。随着柑橘类黄酮代谢研究的深入,其积累和分布的遗传机理将逐渐得以揭示,这将会为培育功能性柑橘新种质提供理论依据。

关键词: 柑橘, 类黄酮, 组成, 代谢

Abstract:

Citrus is one of the major sources of dietary flavonoids that are polyphenolic compounds biosynthesized in secondary metabolism pathways. Possibly due to their strong antioxidant activity,flavonoids have many health-promoting properties,including anticancer,antiviral,anti-inflammatory and antimicrobial functions. The types of flavonoids detected in Citrus so far consist of flavanones,flavones,flavonols,dihydrochalcones and anthocyanins. Flavanone glycosides are the most abundant flavonoids in Citrus. Flavonoid composition varied significantly between different Citrus species and between tissue types,i.e. pummelo fruit contains large amounts of the bitter compound neohesperidosides,while sweet orange and mandarin have tasteless rutinosides as their dominant flavonoids. So far,our understanding of flavonoid metabolism is mostly on the structural genes in main biosynthesis pathways,while information on genes regulating the pathways and enzymes involving in glycosylation,acylation and methylation of flavonoid are relatively scarce. Future researches in flavonoid biosynthesis in citrus will reveal more genetic mechanisms controlling the synthesis,modification and distribution of the flavonoids. A better understandingof these mechanisms will provide guidance for citrus breeding programs to produce functional fruit with enhanced levels of flavonoids.

Key words: citrus, flavonoids, composition, metabolism

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