Abstract
• LED lights increase the synthesis of specific polyphenols in strawberries, improving nutritional value. • The response of each metabolite is specific to the type of light used. • Lighting strategies create nutritionally enhanced crops, adding value for farmers and consumers. Polyphenols are natural compounds characterized by the presence of multiple phenol rings. Dietary polyphenols have been associated with the prevention of some diseases. Strawberries are known to be a rich source of polyphenols and are widely consumed in developed countries. In the last decades various studies have been conducted to develop techniques that increase polyphenol content in fruit. However, to our knowledge, there are no previous works focusing on the quantification of specific polyphenols in strawberry fruit grown under supplementary lights. The main objective of this work was to study how manipulation of supplemental lighting can influence strawberry polyphenols. Light treatments used were far red (727 nm), red (623 nm) and blue (470 nm). HPLC–MS profiling of strawberry fruit grown under these different light regimes identified 24 polyphenols, including two flavanols, five flavonols, five hydroxybenzoic acids, one hydroxycinnamic acid and eleven anthocyanins. We observed metabolite-specific responses to supplemental lighting where red and far red light were more effective in enhancing the synthesis of some individual polyphenols. The results of the current study present an opportunity for developing nutritionally enhanced fruit crops. Additionally, implementing supplemental lighting systems enables farmers to add value to their products.
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Claims 10
Claim · model-written summary
Profiling identified 24 polyphenols in strawberry fruit under different light regimes.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassae0 - Organ / stage
- fruite0
- Outcome
- polyphenolse0
- Value
- 24 polyphenolse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“HPLC–MS profiling of strawberry fruit grown under these different light regimes identified 24 polyphenols, including two flavanols, five flavonols, five hydroxybenzoic acids, one hydroxycinnamic acid and eleven anthocyanins.”
Claim · model-written summary
Two flavanols were identified.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- flavanolse0
- Value
- two flavanolse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“including two flavanols, five flavonols, five hydroxybenzoic acids, one hydroxycinnamic acid and eleven anthocyanins.”
t0“strawberry fruit”
Claim · model-written summary
Five flavonols were identified.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- flavonolse0
- Value
- five flavonolse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“five flavonols, five hydroxybenzoic acids, one hydroxycinnamic acid and eleven anthocyanins.”
t0“strawberry fruit”
Claim · model-written summary
Five hydroxybenzoic acids were identified.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- hydroxybenzoic acidse0
- Value
- five hydroxybenzoic acidse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“five hydroxybenzoic acids, one hydroxycinnamic acid and eleven anthocyanins.”
t0“strawberry fruit”
Claim · model-written summary
One hydroxycinnamic acid was identified.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- hydroxycinnamic acide0
- Value
- one hydroxycinnamic acide0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“one hydroxycinnamic acid and eleven anthocyanins.”
t0“strawberry fruit”
Claim · model-written summary
Eleven anthocyanins were identified.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- anthocyaninse0
- Value
- eleven anthocyaninse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“eleven anthocyanins.”
t0“strawberry fruit”
Claim · model-written summary
Supplemental lighting produced metabolite-specific responses.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- supplemental lightinge0
- Outcome
- metabolite-specific responsese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We observed metabolite-specific responses to supplemental lighting where red and far red light were more effective in enhancing the synthesis of some individual polyphenols.”
t0“strawberry fruit”
Claim · model-written summary
Red light enhanced synthesis of some individual polyphenols.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- rede0
- Outcome
- synthesis of some individual polyphenolse0
- Direction
- enhancinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“red and far red light were more effective in enhancing the synthesis of some individual polyphenols.”
t0“strawberry fruit”
Claim · model-written summary
Far red light enhanced synthesis of some individual polyphenols.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- far red lighte0
- Outcome
- synthesis of some individual polyphenolse0
- Direction
- enhancinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“red and far red light were more effective in enhancing the synthesis of some individual polyphenols.”
t0“strawberry fruit”
Claim · model-written summary
The authors suggest supplemental lighting to add value to strawberry fruit products.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- implementing supplemental lighting systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“implementing supplemental lighting systems enables farmers to add value to their products.”
t0“strawberry fruit”
The same questions in other papers
light · quality: phytochemicals · Fragaria x ananassa (strawberry)Results differ
27 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
28 papers more in this group
See all 32 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.