Effect of salinity stress on bioactive compounds and antioxidant activity of wheat microgreen extract under organic cultivation conditions.

Abstract:

:This study was conducted to confirm the effects of salinity stress on bioactive compounds and antioxidant activity of wheat microgreen extract. The microgreens were cultivated for 8 days in organic media with different concentrations of Na [0 (control), 12.5, 25, 50, and 100 mM from sodium chloride] which was contained in a growth chamber with controlled temperature (20/15 °C, day/night), light (14/10 h, light/dark; intensity 150 μmol·m-2·s-1 with quantum dot light-emitting diodes), and humidity (60%). Treatment with increasing concentrations of Na resulted in an increase in the Na content of microgreens. Treatment with 12.5 mM of NaCl significantly maximized β-carotene (1.21 μg/mL), phenolic acid (41.70 μg/mL), flavonoid (165.47 μg/mL), and vitamin C (29.51 μg/mL) levels and the nitrite-scavenging activities (37.33%) in wheat microgreen extracts. In addition, the salt-stress caused due to treatment with 25 mM of NaCl resulted in the highest anthocyanin (51.43 μg/mL), 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (89.31%), and 2,2-diphenyl-1-picrylhydrazyl (63.28%) radical-scavenging activity. Therefore, attaining adequate levels of salt-stress may be useful for the industrial manufacturing of new products from wheat microgreen extract.

journal_name

Int J Biol Macromol

authors

Islam MZ,Park BJ,Lee YT

doi

10.1016/j.ijbiomac.2019.08.090

subject

Has Abstract

pub_date

2019-11-01 00:00:00

pages

631-636

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(19)34950-5

journal_volume

140

pub_type

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