Abstract
Primula veris L. (cowslip) is a medicinal plant traditionally used for respiratory ailments, with its therapeutic properties attributed to triterpene saponins and phenolic glycosides found in the roots and the aerial parts. The present study aimed to investigate the impact of different LED light spectra (red, blue, red:blue, and white fluorescent as a control) on P. veris’s relative growth rate, physiology, and secondary metabolite production to optimize its cultivation under controlled conditions. The results demonstrate that the light quality significantly influences P. veris’s growth characteristics, physiology, and secondary metabolite production. Red light promoted leaf expansion, while the red:blue LED combination enhanced the root fresh weight and concentration of total chlorophylls and carotenoids in primrose leaves in comparison to the white fluorescent and solitary red light, respectively. Red light significantly increased the accumulation of key secondary metabolites (primeverin, primulaverin, and primulic acids) in roots during the flowering phase compared with the white inflorescent. In addition, the concentration of phenolic compounds was strongly influenced, showing a decrease between the vegetative and the flowering stage of development. Finally, this study highlights the potential of tailored LED lighting to optimize P. veris cultivation, enhancing both biomass and the production of valuable bioactive compounds, taking into account the developmental stage of the plants.
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Claims 5
Claim · model-written summary
Light quality significantly affected growth characteristics, physiology and secondary metabolite production.
- Taxon
- P. veris
Primula verise0t0e1e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results demonstrate that the light quality significantly influences P. veris’s growth characteristics, physiology, and secondary metabolite production.”
t0“Primula veris L.”
e1“Red light promoted leaf expansion”
e2“Red light significantly increased the accumulation of key secondary metabolites (primeverin, primulaverin, and primulic acids) in roots during the flowering phase compared with the white inflorescent”
Claim · model-written summary
Red light promoted leaf expansion.
- Taxon
- Primula veris L.Primula verise0t0e1e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Red light promoted leaf expansion”
t0“Primula veris L.”
e1“Red light promoted leaf expansion”
e2“Red light significantly increased the accumulation of key secondary metabolites (primeverin, primulaverin, and primulic acids) in roots during the flowering phase compared with the white inflorescent”
Claim · model-written summary
Red:blue light enhanced root fresh weight and leaf chlorophyll and carotenoid concentrations.
Verbatim
e0“the red:blue LED combination enhanced the root fresh weight and concentration of total chlorophylls and carotenoids in primrose leaves in comparison to the white fluorescent and solitary red light, respectively”
t0“Primula veris L.”
e1“Red light promoted leaf expansion”
e2“Red light significantly increased the accumulation of key secondary metabolites (primeverin, primulaverin, and primulic acids) in roots during the flowering phase compared with the white inflorescent”
Claim · model-written summary
Red light increased root primeverin, primulaverin and primulic acids during flowering.
- Taxon
- Primula veris L.Primula verise0t0e1e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Red light significantly increased the accumulation of key secondary metabolites (primeverin, primulaverin, and primulic acids) in roots during the flowering phase compared with the white inflorescent”
t0“Primula veris L.”
e1“Red light promoted leaf expansion”
e2“Red light significantly increased the accumulation of key secondary metabolites (primeverin, primulaverin, and primulic acids) in roots during the flowering phase compared with the white inflorescent”
Claim · model-written summary
Phenolic compound concentration decreased from vegetative to flowering stage.
- Taxon
- Primula veris L.Primula verise0t0e1e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the concentration of phenolic compounds was strongly influenced, showing a decrease between the vegetative and the flowering stage of development”
t0“Primula veris L.”
e1“Red light promoted leaf expansion”
e2“Red light significantly increased the accumulation of key secondary metabolites (primeverin, primulaverin, and primulic acids) in roots during the flowering phase compared with the white inflorescent”
The same questions in other papers
light · growth · Primula veris (cowslip)Results agree
1 paper in the same direction as this paper
- positive
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.