Intervention effectmodel-written summary

In pak choi, blue and white LEDs enhanced carotenoid levels by 14% relative to white LEDs.

A claim from The effect of LED light quality on the carotenoid metabolism and related gene expression in the genus Brassica · 2023

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In pak choi, blue and white LEDs enhanced carotenoid levels by 14% relative to white LEDs.

Taxon
pak choie0
Treatment
combination of blue & white LEDse0
Outcome
carotenoid levelse0
Direction
enhancede0
Value
14%e0
Comparator
only white LEDse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Verbatim

e0

“only in pak choi, the combination of blue & white LEDs enhanced the carotenoid levels by 14% in comparison to only white LEDs and by ~ 19% in comparison to red & white LEDs.”

✓ located verbatim in the source · abstract, characters 1563–1736

Title

The effect of LED light quality on the carotenoid metabolism and related gene expression in the genus Brassica

Katja Frede; Sara Winkelmann; Linda Busse; et al. BMC Plant Biology 2023. doi:10.1186/s12870-023-04326-4

Other claims from this paper (6)

Record rev-5f96d6dd6339e7d807fe0a8ea2fd304d0002efe5d7c43a52b0af760036881231 · schema claims-v0.9 · position 5 in the model’s answer

light · physiology: pigments · Brassica rapa (field mustard)Positive and negative results

14 papers: 12 positive, 2 negative or no effect

11 papers in the same direction as this claim · 2 in the opposite direction

  1. negative
    Total carotenoids declined significantly with increasing light intensity in mizuna microgreens.

    Light Intensity and Light Quality from Sole-source Light-emitting Diodes Impact Phytochemical Concentrations within Brassica Microgreens · 2017

    Opposite directionCited by this paper

  2. positive
    Blue and white LEDs increased carotenoid levels by about 15% relative to white LEDs.

    Accumulation of carotenoids in Brassica rapa ssp. chinensis by a high proportion of blue in the light spectrum · 2022 · compared with only white LEDs

    Same directionCited by this paper

  3. no effect
    Chlorophyll b showed no significant difference under any light treatment.

    Improvement of the Growth and Nutritional Quality of Two-leaf-color Pak Choi by Supplemental Alternating Red and Blue Light · 2020

    Opposite direction

  4. positive
    LED treatment increased chlorophyll, ASA and antioxidant enzymes.

    The effect of red and violet light emitting diode (LED) treatments on the postharvest quality and biodiversity of fresh-cut pakchoi ( Brassica rapa L. Chinensis) · 2021

    Same direction

  5. positive
    Chlorophyll content was higher in light-stored Chinese cabbage leaves than in dark-stored leaves.

    Light regulates chlorophyll biosynthesis via ELIP1 during the storage of Chinese cabbage · 2022 · compared with dark-stored samples

    Same direction

  6. positive
    Artificial light increased chlorophyll content relative to natural light.

    Physiological and biochemical responses of Chinese cabbage (Brassica rapa var. chinensis) to different light treatments · 2022 · compared with natural light (control)

    Same direction

  7. positive
    Red-blue-purple LED light significantly increased chlorophyll, carotenoid and vitamin C levels in Chinese cabbage relative to white light.

    Effects of Different LED Spectra on the Antioxidant Capacity and Nitrogen Metabolism of Chinese Cabbage (Brassica rapa L. ssp. Pekinensis) · 2024 · compared with white light

    Same direction

  8. positive
    Dark storage reduced ascorbic acid and chlorophyll loss and delayed browning.

    Study on Reduction of Water Activity and Storage Stability for DehydratedBrassica parachinensiswith Intermediate Moisture · 2007

    Same direction

5 papers more in this group

See all 14 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.