Abstract
The purpose of the study is to establish the effect of artificial ultraviolet lighting on the content of biolo-gically active substances in strawberry fruits using the example of the Asia variety, which is widely used in production. The study was conducted in 2019–2021 in the Lipetsk Region. Transplantation of strawberries under conditions of a growing season was carried out by already rooted adult bushes with a clod of earth. The water-air regime of the soil under artificial lighting conditions was similar to open ground. Under artificial lighting, garden strawberry plants of the Asia variety bloomed 10 days later, had a smaller fruit weight, and had a lower content of organic acids and dry soluble substances than under the sun. Plants accumulated the same amount of water-soluble pectin substances regardless of the nature of the lighting. The content of yellow coloring substances from the vitamin P group – flavonols, as well as binders from the same group – catechins in strawberry fruits did not depend on the nature of the lighting. Strawberry plants under ultraviolet light accumulated the same amount of ascorbic acid as under sunlight. Compared to sunlight under artificial ultraviolet, strawberry fruits contained the least amount of pigments, including carotenoids and β-carotene. A significantly higher level of pectin substances, anthocyanins, tannins and coloring substances, including tannin, in strawberries under sunlight was established in comparison with artificial ultraviolet. Regardless of the nature of lighting, strawberry plants had the same water content and pH of the fruits and accumulated the same amount of ascorbic acid, flavonols, catechins and water-soluble pectin substances.
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Claims 10
Claim · model-written summary
Asia strawberry plants under artificial lighting bloomed 10 days later than under the sun.
Verbatim
e0“Under artificial lighting, garden strawberry plants of the Asia variety bloomed 10 days later, had a smaller fruit weight, and had a lower content of organic acids and dry soluble substances than under the sun.”
Claim · model-written summary
Asia strawberry fruit weight was smaller under artificial lighting than under the sun.
Verbatim
e0“Under artificial lighting, garden strawberry plants of the Asia variety bloomed 10 days later, had a smaller fruit weight, and had a lower content of organic acids and dry soluble substances than under the sun.”
Claim · model-written summary
Asia strawberry fruits had lower organic acid and dry soluble substance content under artificial lighting than under the sun.
Verbatim
e0“Under artificial lighting, garden strawberry plants of the Asia variety bloomed 10 days later, had a smaller fruit weight, and had a lower content of organic acids and dry soluble substances than under the sun.”
Claim · model-written summary
Water-soluble pectin substances accumulated to the same amount regardless of lighting.
Not reportedTaxon
Verbatim
e0“Plants accumulated the same amount of water-soluble pectin substances regardless of the nature of the lighting.”
Claim · model-written summary
Flavonol and catechin content in strawberry fruits did not depend on lighting.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassae0 - Organ / stage
- fruitse0
- Treatment
- lightinge0
- Outcome
- content of yellow coloring substances from the vitamin P group – flavonols, as well as binders from the same group – catechinse0
- Direction
- did not depende0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“The content of yellow coloring substances from the vitamin P group – flavonols, as well as binders from the same group – catechins in strawberry fruits did not depend on the nature of the lighting.”
Claim · model-written summary
Strawberry plants accumulated the same ascorbic acid under ultraviolet light as under sunlight.
- Taxon
- StrawberryFragaria ×ananassae0
- Treatment
- ultraviolet lighte0
- Outcome
- ascorbic acide0
- Direction
- same amounte0
- Comparator
- sunlighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Strawberry plants under ultraviolet light accumulated the same amount of ascorbic acid as under sunlight.”
Claim · model-written summary
Strawberry fruits had the least pigments, including carotenoids and β-carotene, under artificial ultraviolet light compared with sunlight.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- artificial ultraviolete0
- Outcome
- pigments, including carotenoids and β-carotenee0
- Direction
- least amounte0
- Comparator
- sunlighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared to sunlight under artificial ultraviolet, strawberry fruits contained the least amount of pigments, including carotenoids and β-carotene.”
Claim · model-written summary
Strawberries under sunlight had significantly higher pectin substances, anthocyanins and tannins than under artificial ultraviolet.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- sunlighte0
- Outcome
- pectin substances, anthocyanins, tanninse0
- Direction
- highere0
- Comparator
- artificial ultraviolete0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A significantly higher level of pectin substances, anthocyanins, tannins and coloring substances, including tannin, in strawberries under sunlight was established in comparison with artificial ultraviolet.”
Claim · model-written summary
Strawberries under sunlight had significantly higher coloring substances including tannin than under artificial ultraviolet.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- sunlighte0
- Outcome
- coloring substances, including tannine0
- Direction
- highere0
- Comparator
- artificial ultraviolete0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A significantly higher level of pectin substances, anthocyanins, tannins and coloring substances, including tannin, in strawberries under sunlight was established in comparison with artificial ultraviolet.”
Claim · model-written summary
Strawberry fruit water content and pH were the same regardless of lighting.
- Taxon
- strawberryFragaria ×ananassae0
- Outcome
- water content and pH of the fruitse0
- Direction
- samee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Regardless of the nature of lighting, strawberry plants had the same water content and pH of the fruits”
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
- no effect
- no effect
- no effect
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See all 32 papers →uv · physiology: pigments · Fragaria x ananassa (strawberry)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- no effect
uv · quality: phytochemicals · Fragaria x ananassa (strawberry)Positive and negative results
5 papers in the same direction as this paper · 10 reporting no difference from an alternative
- positive
- positive
- positive
12 papers more in this group
See all 16 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.