Comprehensive Metabolomics Analysis of Mandarins (Citrus reticulata) as a Tool for Variety, Rootstock, and Grove Discrimination

Shi Feng, Liying Niu, Joon Hyuk Suh, Wei Lun Hung, Yu Wang

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The metabolite profile responsible for the quality of mandarin fruit is influenced by preharvest factors including genotype, rootstock, grove location, etc. In this paper, mandarin varieties were discriminated using metabolomics. Additionally, effects on metabolic profiles due to grove location and rootstock differences were also investigated. Results revealed that mandarin varieties could be differentiated using the metabolite profile, while the compositions of flavonoids have the potential for variety differentiation. With regard to fruits of the same variety, grove location might determine the overall profile of metabolites, whereas rootstock possibly affected composition of secondary metabolites. Pathway enrichment analysis demonstrated that biosynthesis pathways of terpenoids and steroids involving limonene and linalool were highly influenced by variety diversity. Moreover, the flavonoid biosynthesis pathway, involving hesperetin, naringenin, eriodictyol, and taxifolin, was indicated to have a close relationship with rootstock differentiation. This study provides useful and important information with depth for breeding and optimizing preharvest practices.

Original languageEnglish
Pages (from-to)10317-10326
Number of pages10
JournalJournal of Agricultural and Food Chemistry
Volume66
Issue number39
DOIs
Publication statusPublished - Oct 3 2018
Externally publishedYes

Keywords

  • grove location
  • mandarin
  • metabolomics
  • pathway enrichment analysis
  • rootstock
  • variety discrimination

ASJC Scopus subject areas

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

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