Variation of major minerals and trace elements in seeds of tartary buckwheat (Fagopyrum tataricum Gaertn.)

Xiao Yan Huang, Friedrich J. Zeller, Kai Feng Huang, Tao Xiong Shi, Qing Fu Chen

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Tartary buckwheat (Fagopyrum tataricum Gaertn.) contains protein of high nutritional value, polyphenols, vitamins and minerals. It is one of the most important minor crops in China and has a great potential as a health and functional food. However, information on the elemental mineral composition of its seeds remains limited. The concentrations of Cu, Zn, Fe, K, and Mg in seeds of 123 tartary buckwheat accessions from the same cultivation were studied by means of flame atomic absorption spectrometry. The results revealed that the average concentrations of Cu (x1), Zn (x2), Fe (x3), K (x4), and Mg (x5) elements in the accessions are 19.49 (with a range of 5.74–36.01 mg/kg), 27.41 (8.44–66.63 mg/kg), 656.24 (21.8–3,990 mg/kg), 3,639.23 (1,737–5,831 mg/kg), and 1,523.89 mg/kg (729–3,104 mg/kg) respectively. Among them, Fe concentration has the highest coefficient of variation (114.7 %). The results also revealed five significant positive correlations among Cu, Zn, Fe, K, and Mg concentrations. Therefore, distinct genotypes with high concentration of mineral elements should be effective for the development of special buckwheat varieties and improvement of its food nutritional quality.

Original languageEnglish
Pages (from-to)567-577
Number of pages11
JournalGenetic Resources and Crop Evolution
Volume61
Issue number3
DOIs
StatePublished - 1 Mar 2014
Externally publishedYes

Keywords

  • Cu
  • Fe
  • Flame atomic absorption spectrometry
  • Genetic variation
  • K
  • Mg
  • Nutritional value
  • Zn

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