Abstract
In this study, we investigated optimal light conditions for enhancement of the growth and accumulation of glucosinolates and phenolics in the sprouts of canola (Brassica napus L.). We found that the shoot lengths and fresh weights of red light-irradiated sprouts were higher than those of sprouts exposed to white, blue, and blue + red light, whereas root length was not notably different among red, blue, white, and blue + red light treatments. The accumulations of total glucosinolates in plants irradiated with white, blue, and red lights were not significantly different (19.32 ± 0.13, 20.69 ± 0.05, and 20.65 ± 1.70 mg/g dry weight (wt.), respectively). However, sprouts exposed to blue + red light contained the lowest levels of total glucosinolates (17.08 ± 0.28 mg/g dry wt.). The accumulation of total phenolic compounds was the highest in plants irradiated with blue light (3.81 ± 0.08 mg/g dry wt.), 1.33 times higher than the lowest level in plants irradiated with red light (2.87 ± 0.05 mg/g dry wt.). These results demonstrate that red light-emitting diode (LED) light is suitable for sprout growth and that blue LED light is effective in increasing the accumulation of glucosinolates and phenolics in B. napus sprouts.
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Claims 5
Claim · model-written summary
Red light produced greater shoot length and fresh weight than white, blue, or combined blue and red light.
- Taxon
- canola
.jpg?width=60)
Brassica napus var. napust0 - Treatment
- red lighte0
- Outcome
- shoot lengths and fresh weightse0
- Direction
- highere0
- Comparator
- white, blue, and blue + red lighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“the shoot lengths and fresh weights of red light-irradiated sprouts were higher than those of sprouts exposed to white, blue, and blue + red light”
t0“canola (Brassica napus L.)”
Claim · model-written summary
Root length was not notably different among the four light treatments.
- Taxon
- canolaBrassica napus var. napust0
- Outcome
- root lengthe0
- Direction
- not notably differente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root length was not notably different among red, blue, white, and blue + red light treatments”
t0“canola (Brassica napus L.)”
Claim · model-written summary
Total glucosinolates did not significantly differ under white, blue, and red lights.
- Taxon
- canolaBrassica napus var. napust0
- Outcome
- accumulations of total glucosinolatese0
- Direction
- not significantly differente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The accumulations of total glucosinolates in plants irradiated with white, blue, and red lights were not significantly different (19.32 ± 0.13, 20.69 ± 0.05, and 20.65 ± 1.70 mg/g dry weight (wt.), respectively).”
t0“canola (Brassica napus L.)”
Claim · model-written summary
Combined blue and red light produced the lowest total glucosinolate level, 17.08 ± 0.28 mg/g dry weight.
- Taxon
- canolaBrassica napus var. napust0
- Outcome
- levels of total glucosinolatese0
- Direction
- loweste0
- Value
- 17.08 ± 0.28 mg/g dry wt.e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sprouts exposed to blue + red light contained the lowest levels of total glucosinolates (17.08 ± 0.28 mg/g dry wt.)”
t0“canola (Brassica napus L.)”
Claim · model-written summary
Blue light gave the highest total phenolic compound accumulation, 3.81 ± 0.08 mg/g dry weight.
- Taxon
- canolaBrassica napus var. napust0
- Outcome
- accumulation of total phenolic compoundse0
- Direction
- higheste0
- Value
- 3.81 ± 0.08 mg/g dry wt.e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The accumulation of total phenolic compounds was the highest in plants irradiated with blue light (3.81 ± 0.08 mg/g dry wt.), 1.33 times higher than the lowest level in plants irradiated with red light (2.87 ± 0.05 mg/g dry wt.).”
t0“canola (Brassica napus L.)”
The same questions in other papers
light · growth · Brassica napus (oilseed rape)Positive and negative results
7 papers in the same direction as this paper · 7 in the opposite direction
- negative
- no effect
- negative
11 papers more in this group
See all 15 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.