UV-A and FR irradiation improves growth and nutritional properties of lettuce grown in an artificial light plant factory.

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  • Additional Information
    • Source:
      Publisher: Elsevier Applied Science Publishers Country of Publication: England NLM ID: 7702639 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-7072 (Electronic) Linking ISSN: 03088146 NLM ISO Abbreviation: Food Chem Subsets: MEDLINE
    • Publication Information:
      Publication: Barking : Elsevier Applied Science Publishers
      Original Publication: Barking, Eng., Applied Science Publishers.
    • Subject Terms:
      Environment, Controlled* ; Light*; Lactuca/*chemistry ; Lactuca/*radiation effects ; Nutrients/*analysis; Antioxidants/analysis ; Ascorbic Acid/analysis ; Biomass ; Chlorophyll/analysis ; Flavonoids/analysis ; Lactuca/growth & development ; Nitrates/analysis ; Plant Leaves/chemistry ; Plant Leaves/growth & development ; Plant Leaves/radiation effects ; Sugars/analysis
    • Abstract:
      This study investigated the individual and combined effects of ultraviolet A (UV-A) and far-red (FR) light irradiation on the biomass, phytochemical accumulation, and antioxidant capacity of two lettuce cultivars in an artificial light plant factory. UV-A supplementation yielded a smaller leaf area and reduced biomass and nitrate content. In contrast, it improved the chlorophyll, soluble protein, soluble sugar, vitamin C, flavonoid, polyphenol, and anthocyanin contents and the 2,2-diphenyl-1-picrylhydrazyl radical-scavenging rate. FR irradiation resulted in a larger leaf area, whereas the lettuce biomass remained unchanged. Irradiation with both UV-A and FR light exhibited the most remarkable effect on leaf expansion and biomass, but reduced the phytochemical contents. A significant interaction between the cultivar and supplemented light was observed for most plant parameters.
      (Copyright © 2020 The Author(s). Published by Elsevier Ltd.. All rights reserved.)
    • Contributed Indexing:
      Keywords: Antioxidants lettuce; Far-red light; Primary metabolites; Ultraviolet A light
    • Accession Number:
      0 (Antioxidants)
      0 (Flavonoids)
      0 (Nitrates)
      0 (Sugars)
      1406-65-1 (Chlorophyll)
      PQ6CK8PD0R (Ascorbic Acid)
    • Publication Date:
      Date Created: 20201211 Date Completed: 20210311 Latest Revision: 20240109
    • Publication Date:
      20240109
    • Accession Number:
      10.1016/j.foodchem.2020.128727
    • Accession Number:
      33307433