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Samuolienė G, Brazaitytė A, Viršilė A, et al. Red Light-Dose or Wavelength-Dependent Photoresponse of Antioxidants in Herb Microgreens. PLoS One. 2016;11(9):e0163405doi: 10.1371/journal.pone.0163405.
Samuolienė, G., Brazaitytė, A., Viršilė, A., Jankauskienė, J., Sakalauskienė, S., & Duchovskis, P. (2016). Red Light-Dose or Wavelength-Dependent Photoresponse of Antioxidants in Herb Microgreens. PloS one, 11(9), e0163405. https://doi.org/10.1371/journal.pone.0163405
Samuolienė, Giedė, et al. "Red Light-Dose or Wavelength-Dependent Photoresponse of Antioxidants in Herb Microgreens." PloS one vol. 11,9 (2016): e0163405. doi: https://doi.org/10.1371/journal.pone.0163405
Samuolienė G, Brazaitytė A, Viršilė A, Jankauskienė J, Sakalauskienė S, Duchovskis P. Red Light-Dose or Wavelength-Dependent Photoresponse of Antioxidants in Herb Microgreens. PLoS One. 2016 Sep 27;11(9):e0163405. doi: 10.1371/journal.pone.0163405. eCollection 2016. PMID: 27677090; PMCID: PMC5038936.
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PLoS One. 2016 Sep 27;11(9):e0163405. doi: 10.1371/journal.pone.0163405. eCollection 2016.

Red Light-Dose or Wavelength-Dependent Photoresponse of Antioxidants in Herb Microgreens.

PloS one

Giedė Samuolienė, Aušra Brazaitytė, Akvilė Viršilė, Julė Jankauskienė, Sandra Sakalauskienė, Pavelas Duchovskis

Affiliations

  1. Laboratory of Plant Physiology, Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Babtai, Lithuania.

PMID: 27677090 PMCID: PMC5038936 DOI: 10.1371/journal.pone.0163405

Abstract

The purpose of this study was to evaluate the role of 638-nm and 665-nm LEDs on changes of antioxidants of basil (Ocimum basilicum) and parsley (Petroselinum crispum), and to assess the effect of light quality on antioxidative status. Plants were grown in peat substrate for 19 days (21/17 ±2°C, 16 h). Experiments were performed in (I) a controlled-environment: B455,R638,R665,FR731(control); B455,R*638,R665,FR731; B455,R638,R*665,FR731; R638; R665 (B-blue, R- red, FR-far-red light). PPFD was set from 231 during growth, upto 300 μmol m-2 s-1 during 3-day treatment changing R638 or R665 PPFD level; in (II) greenhouse (November): high-pressure sodium lamps (HPS) (control-300 μmol m-2s-1); and HPS + 638 (HPS generated 90 and red LEDs-210 μmol m-2s-1). In general, under supplemental or increased red 638 nm light, amounts of tested antioxidants were greater in basil, whereas sole 665 nm or sole 638 nm is more favourable for parsley. Increased or supplemental red light significantly increased contents of phenolics, α-tocopherol, ascorbic acid and DPPH• but suppressed accumulation of lutein and β-carotene in basil, whereas an increase of β-carotene and DPPH• was observed in parsley. Hereby, the photoresponse of antioxidant compounds suggests that photoprotective mechanism is stimulated by both light-dose-dependent and wavelength-dependent reactions.

Conflict of interest statement

The authors have declared that no competing interests exist.

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