Abstract
Cowberry (Vaccinium vitis-idaea L.) is one of the dominants of the herbaceous-shrubby layer of the forest vegetation of the Kola Peninsula. Plays an important role in the involvement of nutrients cycle, as well in the formation of soil fertility due to the ability to synthesize a large number of phenolic compounds, especially condensed tannins. Some regularities of changing the content in phenolic compounds, flavonoids and lignin in various tissues of Vaccinium vitis-idaea growing under industrial air pollution conditions have been studied. It was found that the concentration of lignin in mature leaves Vaccinium vitis-idaea decrease when approaching the source of pollution in spruce and pine forests. Biogeocenosis and age influence factors on the chemical leaves composition Vaccinium vitis-idaea have been revealed. Cowberry accumulates phenolic compounds, including tannins, in the leaves of older age classes. Concentrations of cellulose and lignin are decreased in perennial (mature) leaves. As the result of investigation, the phenolic compounds are proved to play the significant role in Vaccinium vitis-idaea adaptation to the influence of abiotic and biotic environmental factors. Phenolic compounds, flavonoids and lignin of Vaccinium vitis-idaea leaves behave differently under conditions of air pollution of different intensity.
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Claims 6
Claim · model-written summary
Lignin concentration in mature leaves decreased closer to pollution sources in spruce and pine forests.
- Taxon
- Vaccinium vitis-idaea
Vaccinium vitis-idaeae0 - Organ / stage
- mature leavese0
- Outcome
- concentration of lignine0
- Direction
- decreasee0
- Qualifier
- approaching the source of pollutione0
- Setting
- spruce and pine forestse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the concentration of lignin in mature leaves Vaccinium vitis-idaea decrease when approaching the source of pollution in spruce and pine forests”
Claim · model-written summary
Biogeocenosis and leaf age influenced cowberry leaf chemical composition.
- Taxon
- Vaccinium vitis-idaeaVaccinium vitis-idaeae0
- Organ / stage
- leavese0
- Outcome
- chemical leaves compositione0
- Setting
- Biogeocenosise0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Biogeocenosis and age influence factors on the chemical leaves composition Vaccinium vitis-idaea”
Claim · model-written summary
Older cowberry leaves accumulated phenolic compounds including tannins.
- Taxon
- CowberryVaccinium vitis-idaeae0
- Organ / stage
- leaves of older age classese0
- Outcome
- phenolic compounds, including tanninse0
- Direction
- accumulatese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cowberry accumulates phenolic compounds, including tannins, in the leaves of older age classes”
Claim · model-written summary
Cellulose and lignin concentrations decreased in mature leaves.
- Taxon
- VACCINIUM VITIS-IDAEAVaccinium vitis-idaeat0
- Organ / stage
- perennial (mature) leavese0
- Outcome
- Concentrations of cellulose and lignine0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Concentrations of cellulose and lignin are decreased in perennial (mature) leaves”
t0“VACCINIUM VITIS-IDAEA”
Claim · model-written summary
Phenolic compounds were implicated in cowberry adaptation to abiotic and biotic environmental factors.
- Taxon
- Vaccinium vitis-idaeaVaccinium vitis-idaeae0
- Compound
- phenolic compoundse0
- Outcome
- adaptation to the influence of abiotic and biotic environmental factorse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phenolic compounds are proved to play the significant role in Vaccinium vitis-idaea adaptation to the influence of abiotic and biotic environmental factors”
Claim · model-written summary
Phenolic compounds, flavonoids and lignin in cowberry leaves responded differently across air pollution intensities.
- Taxon
- Vaccinium vitis-idaeaVaccinium vitis-idaeae0
- Organ / stage
- leavese0
- Outcome
- Phenolic compounds, flavonoids and lignine0
- Qualifier
- air pollution of different intensitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Phenolic compounds, flavonoids and lignin of Vaccinium vitis-idaea leaves behave differently under conditions of air pollution of different intensity”