Abstract
Summary Microgreens grow best under light‐emitting diodes (LED), an artificial light source. In this study, LED lights (red, blue and far‐red) were tested on brassica microgreens to see if they induced an increase in bioactive compounds (glucosinolates and phenolics). In vitro digestion also measured bioavailable bioactive compounds in the intestinal phase. LED lights (red, blue and far‐red) were applied for 6 h in storage at 5 °C and 85% RH for 5 days on cabbage ( Brassica oleracea ), radish ( Raphanus sativus ) and rocket ( Eruca vesicaria (L.) Cav). Red light significantly enhanced ascorbic acid, total phenols, kaempferol and quercetin glycoside concentrations in all three Brassica microgreens and antioxidant activities. Exposure to red LED light increased 4‐methoxyglucobrassicin (cabbage), glucoraphenin (radish), glucoraphanin A and glucoerucin (rocket). Red light stress may have resulted in secondary metabolite production in immature plants. An in vitro digestion showed higher concentrations of phenolic compounds, glucosinolate components and antioxidants in the intestinal phase. Red LED light is recommended as a postharvest treatment for improving cabbage, rocket and radish bioactive compounds.
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Claims 8
Claim · model-written summary
Red light enhanced ascorbic acid and total phenols in the three microgreens.
- Taxon
- Brassica microgreense0
- Treatment
- Red lighte0
- Outcome
- ascorbic acid, total phenolse0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“Red light significantly enhanced ascorbic acid, total phenols, kaempferol and quercetin glycoside concentrations in all three Brassica microgreens and antioxidant activities.”
Claim · model-written summary
Red light enhanced kaempferol and quercetin glycoside concentrations.
- Taxon
- Brassica microgreense0
- Treatment
- Red lighte0
- Outcome
- kaempferol and quercetin glycoside concentrationse0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“Red light significantly enhanced ascorbic acid, total phenols, kaempferol and quercetin glycoside concentrations in all three Brassica microgreens and antioxidant activities.”
Claim · model-written summary
Red light enhanced antioxidant activities.
Not reportedComparator
Verbatim
e0“Red light significantly enhanced ascorbic acid, total phenols, kaempferol and quercetin glycoside concentrations in all three Brassica microgreens and antioxidant activities.”
Claim · model-written summary
Red light increased cabbage 4-methoxyglucobrassicin.
- Taxon
- cabbage
Brassica oleracea var. capitatae0 - Treatment
- red LED lighte0
- Outcome
- 4‐methoxyglucobrassicine0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exposure to red LED light increased 4‐methoxyglucobrassicin (cabbage), glucoraphenin (radish), glucoraphanin A and glucoerucin (rocket).”
Claim · model-written summary
Red light increased radish glucoraphenin.
- Taxon
- radish
Raphanus sativuse0 - Treatment
- red LED lighte0
- Outcome
- glucoraphenine0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exposure to red LED light increased 4‐methoxyglucobrassicin (cabbage), glucoraphenin (radish), glucoraphanin A and glucoerucin (rocket).”
Claim · model-written summary
Red light increased rocket glucoraphanin A and glucoerucin.
Not reportedComparator
Verbatim
e0“Exposure to red LED light increased 4‐methoxyglucobrassicin (cabbage), glucoraphenin (radish), glucoraphanin A and glucoerucin (rocket).”
Claim · model-written summary
Digestion yielded higher phenolic, glucosinolate and antioxidant concentrations in the intestinal phase.
- Outcome
- concentrations of phenolic compounds, glucosinolate components and antioxidantse0
- Direction
- highere0
Not reportedTaxon
Verbatim
e0“An in vitro digestion showed higher concentrations of phenolic compounds, glucosinolate components and antioxidants in the intestinal phase.”
Claim · model-written summary
Red LED light is recommended to improve postharvest microgreen bioactives.
Verbatim
e0“Red LED light is recommended as a postharvest treatment for improving cabbage, rocket and radish bioactive compounds.”
The same questions in other papers
light · molecular: metabolites · Raphanus sativus (radish)Positive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- negative
- positive
- no effect
6 papers more in this group
See all 10 papers →light · molecular: metabolites · Brassica oleracea (wild cabbage)Positive and negative results
31 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- positive
- negative
- no effect
30 papers more in this group
See all 34 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.