Food and Fermentation Industries >

2024 , Vol. 50 >Issue 8: 114 - 120

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.034922

Effects of zinc sulfate stress on functional components and antioxidant capacity of germinating barley

  • XU Ningli ,
  • TAO Jin ,
  • ZHANG Lifang ,
  • ZHANG Guoqiang
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  • (College of Biological and Food Engineering, Anhui Polytechnic University, Wuhu 241000, China)

Received date: 2023-01-17

  Revised date: 2023-03-21

  Online published: 2024-06-11

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Abstract

The study used Zangqing 2000 as the experimental material, the content of functional components and the antioxidant capacity of germinating barley under different concentrations of zinc sulfate stress were determined by enzyme-linked immunosorbent and other approaches, meanwhile, with the germination rate and other indicators.Results showed that zinc sulfate stress inhibited germination rate, moisture content, root length and bud length of barley.Under different concentrations of zinc sulfate stress, the contents of melatonin and γ-aminobutyric acid increased and then decreased.The contents of reducing sugars and soluble sugars increased and then reached a dynamic balance, and the contents of β-glucan, total flavonoids, and total phenols decreased and then increased with the extension of treatment time.In the results, total phenolic content at 7 days of 0.6 mmol/L zinc sulfate stress sprouting was 1.12 times higher than that of the control, melatonin and γ-aminobutyric acid contents at 6 days of 0.8 mmol/L zinc sulfate stress sprouting were 1.35 and 1.40 times higher than those of the control, respectively, and total flavonoid content at 7 days was 1.28 times higher than that of the control.The results of the study on antioxidant capacity showed that the antioxidant capacity of germinating barley was significantly correlated with its total flavonoid and total phenolic content (P<0.01).Taken together, germination can be performed to improve the quality of barley, while zinc sulfate stress at 0.6-0.8 mmol/L can effectively increase the content of functional components and the antioxidant capacity of germinated barley.

Key words： highland barley; germination; zinc sulfate stress; functional component; antioxidant capacity

Cite this article

XU Ningli , TAO Jin , ZHANG Lifang , ZHANG Guoqiang . Effects of zinc sulfate stress on functional components and antioxidant capacity of germinating barley[J]. Food and Fermentation Industries, 2024 , 50(8) : 114 -120 . DOI: 10.13995/j.cnki.11-1802/ts.034922

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