Assessment of radionuclide contamination of medicinal plant raw materials in the central black earth on the example of yarrow grass

Assessment of radionuclide contamination of medicinal plant raw materials in the central black earth on the example of yarrow grass

AUTHORS : Dyakova ON. | Gaponov S.P. | Slivkin A.I. 

RELEVANT UNIVERSITIES : Voronezh State University (Voronezh)
YEAR : 2019

 

SUMMARY The Voronezh region is traditionally the most important region of plant growing and agriculture. The aim of the study was to study the contamination of medicinal plant materials by natural and artificial radionuclides in the Voronezh region using the example of common yarrow collected throughout the region in urban and agroecosystems experiencing various anthropogenic influences. As part of the study, the activity of artificial and natural radionuclides (strontium-90, cesium-137, potassium-40, thorium-232,
radium-226) was determined in 36 samples of yarrow grass and the upper layers of soils on which the plants grew. All samples meet the existing requirements of the regulatory documentation for the activity of radionuclides. To assess the accumulation of radionuclides by yarrow from soils, the accumulation coefficients were used. The average value of the
accumulation coefficient of strontium-90 was 0.59; in different samples of the

 

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