scholarly journals PHENOLIC COMPOUNDS VACCINIUM VITIS-IDAEA AND THEIR RESPONSE TO THE INFLUENCE OF VARIOUS ENVIRONMENTAL FACTORS

2018 ◽  
pp. 59-66
Author(s):  
Natal'ya Aleksandrovna Artemkina
Keyword(s):  
Air Pollution ◽  
Phenolic Compounds ◽  
Environmental Factors ◽  
Condensed Tannins ◽  
Influence Factors ◽  
Pine Forests ◽  
Age Classes ◽  
Industrial Air Pollution ◽  
Mature Leaves ◽  
Source Of Pollution

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.

scholarly journals Heavy metals in the organic soil horizon of the Northern taiga forests resulting from industrial air pollution

2020 ◽  
Vol 169 ◽  
pp. 01011
Author(s):  
Alexander Evdokimov
Keyword(s):  
Heavy Metals ◽  
Air Pollution ◽  
Organic Soil ◽  
Northern Taiga ◽  
Soil Horizon ◽  
Soil Horizons ◽  
Industrial Air Pollution ◽  
Qualitative And Quantitative ◽  
By Products ◽  
Source Of Pollution

This study focuses on heavy metals contained in organic soil horizons resulting from the industrial air pollution caused by local enterprises. Polymetallic dust containing heavy metals is one of the main by-products in the smelting of non-ferrous metals. We evaluated the contents of Ni, Cu, and Co in the upper soil horizons containing the maximum amount of these pollutants (due to the formation of stable compounds with organic components of these horizons). Sampling was carried out at various distances from the source of pollution at previously established test sites. The study found acid-soluble heavy metals at various distances from the source of pollution and revealed the regularity of their content, both qualitative and quantitative.

Evidence of pre-industrial air pollution from the Heads of the Kings of Juda statues from Notre Dame Cathedral in Paris

2001 ◽  
Vol 273 (1-3) ◽  
pp. 101-109 ◽  
Author(s):  
Marco Del Monte ◽  
Patrick Ausset ◽  
Roger A. Lefèvre ◽  
Stéphanie Thiébault
Keyword(s):  
Air Pollution ◽  
Industrial Air Pollution

scholarly journals Effect ofCaesalpinia coriariaFruits and Soybean Oil on Finishing Lamb Performance and Meat Characteristics

2018 ◽  
Vol 2018 ◽  
pp. 1-6 ◽  
Author(s):  
Nallely Sánchez ◽  
Germán David Mendoza ◽  
José Antonio Martínez ◽  
Pedro Abel Hernández ◽  
Luis Miguel Camacho Diaz ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Linoleic Acid ◽  
Phenolic Compounds ◽  
Soybean Oil ◽  
Condensed Tannins ◽  
Dry Matter ◽  
Control Diet ◽  
Feed Conversion ◽  
Dietary Treatments ◽  
Daily Gain

To evaluate phenolic compounds and whether the combination of a tanniferous fruit and soybean oil could improve the performance, meat characteristics, and fatty acid (FA) profile in lambs, an experiment was conducted over 40 days with twenty creole male lambs (23.71±3.46 kg). The lambs were allotted in a completely randomised design, with factorial arrangement 2 × 2, with the following dietary treatments: (1) control diet, (2) 2%Caesalpinia coriariaground fruit dry matter (DM), (3) 2% soybean oil DM, and (4) 2%Caesalpinia coriariafruit plus 2% soybean oil. The concentration of condensed tannins (CT) inCaesalpinia coriaceawas 21.71 g/kg DM. No interactions were detected (P>0.05) among soybean oil andCaesalpinia coriaria, and there were no differences in daily gain, intake, and feed conversion. Soybean oil reduced (P<0.05) DM digestibility (68.05 versus 59.56%). In fat from thelongissimus thoracis et lumborum(LTL) muscle, only linoleic acid presented differences (P<0.05) between treatments. The combination ofCaesalpinia coriaceafruit and soybean oil did not improve lamb performance at the included levels.

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