scholarly journals Content of heavy metals in beef in dependence from biogeoprovintio of Yakutia

Author(s):  
L.P. Koryakina ◽  
N.N. Grigorieva ◽  
A.I. Pavlova ◽  
S.P. Pavlova ◽  
E.S. Sleptsov

In recent years strengthening of technogenic impact of the person on ecosystems, increase in circulation of chemical elements in natural complexes, including in agrobiocenoses is noted. Significantly intake of heavy metals to the environment and on a food chain in a human body increased. It is known that 70% of all alien substances get into a human body with food therefore security of products acquires special sharpness and relevance now. According to statistical data, on average the inhabitant of the republic consumes up to 48 kg of meat (61% of norm) in a year. However from the total amount of the meat products consumed by the population, the specific weight of a product of own production is no more than 37%. At the same time a considerable part of meat products of own production is made in personal subsidiary farms. The main producers of meat in the republic are the livestock farms located in Leno-Amginsky and Vilyuysk areas. However the most part of the meat products used by the population arrives because of borders of the republic. The delivery geography to the republic of meat and meat products is very extensive and covers not only regions of Russia, but also foreign countries, such as Germany, France, Spain, the USA, Denmark, China and Brazil. It is established that accumulation and distribution of compounds of heavy metals in bodies and tissues of animals directly depends on an ecological situation of the region in which they are grown up. The greatest ecological danger to production of meat is constituted by such heavy metals as lead, cadmium and copper which collect in bodies and tissues of animals for a food chain: soil-water-plant-animal. So, quantity cadmium - the containing connections in bodies and tissues of the horses who are grown up in suburban farms of Yakutsk in 6 times more than in the zherebyatena from other territories of the republic. Besides, at horses from suburban farms of Yakutsk the considerable content of compounds of cadmium in pulmonary fabric was revealed that indicates an aerogenic way of receipt of this toksikant to an organism of animals. In the conditions of Yakutia in an organism of the Yakut horses the main bodies stores of compounds of mercury, lead and cadmium are kidneys and a liver. In significant amounts lead collects also in a bone tissue. It is revealed that in an organism of horses cadmium accumulates in tens times more, than at cattle which is grown up in the same farms. At the same time the number of compounds of mercury, lead and cadmium in bodies and tissues of adult individuals are more, than at young growth. It demonstrates to constant receipt and accumulation of toksikant in an organism of animals and their slow removal.

2019 ◽  
pp. 72-80
Author(s):  
Avak Vartanian

The article analyzes the novels of the legislation of the Republic of Belarus concerning the procedure for using gift certificates when selling goods (performance of works, rendering services). It has been done a comparative analysis of the legal regulation of the procedure for circulation of gift certificates in the Republic of Belarus, Ukraine and some foreign countries (Canada, the USA). The author raises some problems concerning the use of a gift certificate in civil circulation. It is pointed out that there is uncertainty both in the theory of civil law and at the level of legislative regulation regarding the civil law nature of a gift certificate. It is noted that the analysis of the legislation in force in the Republic of Belarus allows us to define a gift certificate as a document certifying the property right (requirement) of its holder (bearer) to receive goods (works, services), and the amount of money contributed when purchasing a gift certificate, as advance payment (advance payment). At the same time, such an approach of the legislator is criticized due to the fact that there is a clear contradiction to the requirements of Art. 402 of the Civil Code of the Republic of Belarus, from the content of which it follows that the advance payment presupposes the existence of a contract in which the subject has been agreed, which is not typical of most gift certificates, due to the fact that they do not contain an indication of the subject of the contract. Having done the analysis of the civil legislation of Ukraine, the author makes a conclusion that there is application of the rules on a purchase agreement to gift certificates, the subject of which may be property rights in accordance with the Civil Code of Ukraine. The conclusion is made about the imperfection of the legal regulation of the procedure for circulation of gift certificates in the Republic of Belarus and Ukraine, as well as about the complex legal nature of the gift certificate, regarding which legal regulation should be more universal, defining a gift certificate as an independent object of civil legal relationship.


2020 ◽  
Vol 5 (86) ◽  
pp. 170-176
Author(s):  
D.I. Matnazarova ◽  
◽  

The work summarized the literature data on the content of chemicals in blackberries grown in various regions of Russia and foreign countries. Much attention is paid to the level of accumulation of biochemical components: soluble solids, sugars, organic acids, vitamins C (ascorbic acid) and P (phenolic compounds). In the studied regions, a high accumulation of anthocyanins (307-651 mg / 100 g) and ascorbic acid (23.4-54.0 mg / 100 g) in blackberries was noted in the Republic of Adygea. The highest sugar content (9.9%) was in blackberries grown in the middle zone of Russia. The average content of the studied components depends not only on the region of cultivation, but, first of all, on the varietal composition of the crop. The study of 25 blackberry varieties bred in the USA, England and Australia in the Krasnodar Territory allowed us to identify the most adapted of them for cultivation in the south of Russia,the most promising varieties are Thornfree, Smoothstem and Black Satin. In the Republic of Belarus, blackberries are grown on personal subsidiary plots, the most common is the American Agavam variety, which is noted for its high sugar content and the content of P-active substances. At the Maikop Experimental Station. N.I. Vavilov, as a result of studying the biochemical composition of blackberry berries, the following varieties were identified: by the content of dry matter – Oregon, Black Satin, Thornfree; sugar content – Oregon, Silvon, Black Satin, Thornfree, Young; by the content of organic acids – Derrow, Raven (1.67%), Cherokki (1.87%); by the content of ascorbic acid – Himalaya (54.6 mg / 100 g), Derrow (45.8 mg / 100 g), Raven (45.4 mg / 100 g) and Cherokki (47.8 mg / 100 g).


2017 ◽  
Vol 17 ◽  
pp. 275-283
Author(s):  
G. A. Hambaryan ◽  
A. V. Santrosyan ◽  
Yu. R. Ishkhanyan

The paper is devoted to the problems of soils contamination of some regions of the Republic ofArmenia and a city of Yerevan with heavy metals. The results of analyses of the selected soil tests for the purpose ofdefinition of their contamination degree with heavy metals are listed. The statistical data on the background concentration of heavy metals in various soil-climatic zones of the Republic of Armenia, not influenced with appreciable anthropogenous impact is also given. The comparative analysis on presence of polluting chemical elements in soil is carried out for the approved norms of maximum permissible concentration and background indicators. The authors consider possible negative influences on environment as a result of soils contamination, in particular on biological activity of soil and processes of its self-cleaning. It’s noticed that maximum permissible concentrations are mainly developed only from hygienic positions which do not consider the variety ofsoils, in particular, their properties. As an example there are described the results of soils researches of some regions of the Republic of Armenia and there is noticed that a paradoxical situation arises when background contents toxic elements in soils exceed the established values of maximum permissible concentration. In the paper there is arisen the question on necessity of working out and introducing in practice ecological monitoring of the system of tentatively permissible quantity of chemical elements in soil, taking into account background concentration of heavy metals in various soil-climatic zones. Introduction of the specified system will allow reasonably and, what very important, reliably to estimate an ecological condition of soils and to define the influence of contamination on qualitative characteristics of soil as a result of anthropogenous influence.


2018 ◽  
Vol 9 (1) ◽  
Author(s):  
Dijana Mihajlović ◽  
Vesna Antunović ◽  
Tanja Okolić ◽  
Dijana Jelić

The intensive industrial and technological development results in an appearance of a large amount of pollutants and toxic substances in the biosphere including large quantities of heavy metals. Some heavy metals are biogenic (Cu, Zn, Se etc.) and essential for proper maintaining of the metabolism in the human body. The main dangers to the human health are associated with the exposure to toxic elements such as Pb, Cd, Hg and As. Emission of Cd in the environment has increased during the 20th century mainly due to the recycling of the products containing this element. Cadmium accumulates in the human body with a biological half-life from 10 to 30 years and could cause very serious toxic effects. Cosmetic products are potentially a source of cadmium as well as some other heavy metals mostly due to the frequent and uncontrolled usage of cosmetics of poor аnd/or suspicious quality. The goal of the study is to determine the cadmium content in various cosmetic products (lipsticks, eyeshadows and blushes) present in the markets of the Republic of Srpska. The content of Cd was determined with atomic absorption spectrophotometry (AAS) after the extraction with diluted HCl and aqua regia. The results of the research show that the cadmium concentrations in the investigated products are in accordance with the regulations of the Republic of Srpska (Regulations on safety of consumer goods; „Official Gazette RS“ – No.17/15).


Author(s):  
Tatiana Ershova ◽  
Vyacheslav Fedorovich Zaitsev ◽  
Vladimir Chaplygin ◽  
Asylbek Shakhmuratovich Kanbetov

Research objective was to identify the specific features of distribution of microelements (zink, manganese, lead, cadmium) in organs and tissues of black-backed shad Alosa kessleri kessleri (Grimm, 1887) and Dolginsky herring Alosa braschnikowii braschnikowii (Borodin, 1904) caught in the Caspian Sea. Accumulated in the tissues and organs of fish in concentrations exceeding the maximum permissible limits, heavy metals pose a danger to human health. Sampling was carried out by the standard techniques, definition of minerals was made by method of atomic and absorbing spectroscopy using an atomic and absorbing spectrometer with electrothermal atomization of MGA-915 MD. The analysis of the obtained data showed that distribution of minerals in the organs and tissues of the studied herring species had a similar pattern: the highest concentrations of minerals were registered in the gills and liver, the smallest - in muscle tissue. In comparison with black-backed shad the organs and tissues of Dolginsky herring had higher concentrations of chemical elements. Zinc has been found to accumulate mainly in the liver; manganese, lead and cadmium - in the gills. Accumulation of zinc, cadmium and lead in the studied bodies and tissues of fishes exceeded acceptable level.


2021 ◽  
Vol 10 (2) ◽  
pp. 131-135
Author(s):  
Safargali Iskandarovich Yanturin ◽  
Alsyu Yusupovna Khisametdinova ◽  
Gulsina Gilmanovna Buskunova

This paper studies the content of heavy metals (Cu, Zn, Pb, Cd - metals-toxicants and Fe) in the surface natural waters of small rivers on the western slope of the Irendik ridge in the Baimak District of the Republic of Bashkortostan. The western slope of the Irendik ridge from Lake Talkas to Lake Grafskoe is characterized by the absence of significant anthropogenic sources of environmental pollution in contrast to the eastern slope of the Irendik ridge at the same latitude. The studied rivers are located on this section of the western slope and are left tributaries of the upper reaches of the Tanalyk River. It is these small rivers that determine the chemical composition of the water in the upper section of the Tanalyk River. The content of heavy metals in the waters was determined by atomic absorption spectrometry. For the environmental assessment of waters, the multiplicity of exceeding the maximum permissible concentrations of heavy metals for fisheries reservoirs was used. The studies have shown that in the waters of small rivers on the western slope of the Irendik ridge there is an increased content of a number of heavy metals, namely copper, iron, zinc, lead and cadmium. Increased concentrations of heavy metals in the waters of the studied rivers are caused by geochemical factors.


2017 ◽  
Vol 43 (1) ◽  
pp. 71-81
Author(s):  
Sarafat Hossain ◽  
Tazeen Fatima Khan ◽  
SM Imamul Huq

An in vitro study was conducted to assess the effects of slums on ecosystem services particularly soil, plant and water. The research findings indicated that, samples of soil, plant and water were contaminated with heavy metals, many of which were above permissible limits. The heavy metals exceeding the permissible limits pose serious threats to the surrounding plant and animal lives. Hence, there is a health risk associated with the consumption of the vegetables grown in the slums due to the fact that the heavy metals can bio-accumulate into human body through the food chain. Asiat. Soc. Bangladesh, Sci. 43(1): 71-81, June 2017


2019 ◽  
Vol 14 (1) ◽  
pp. 22-26
Author(s):  
Анастасия Забашта ◽  
Anastasiya Zabashta ◽  
Николай Забашта ◽  
Nikolay Zabashta

The accumulation of heavy metals, primarily from the soil, takes place in the water and fodder plants. Sources are pesticides, polluted air and precipitation. Hazardous chemical elements in certain quantities enter plants from soil. It should be added that ballast substances from mineral fertilizers containing heavy metals are also found in the soil. It has been established that on the flat-foothill massif of the North Caucasus, the constant component of solid precipitation are such elements as chromium, nickel, lead, manganese and silver. Cadmium was not detected in most precipitation samples (less than 1.0 µg / l), but its concentrations exceeded the maximum permissible concentrations by 4–8 times, although its sources were not identified. Therefore, an agrochemical survey of agricultural land has been carried out and it has been established that the content of mobile forms of copper and zinc in the soils of the foothill areas does not exceed the maximum permissible concentrations. Meadow grass stands do not accumulate zinc, copper, lead and cadmium in quantities exceeding the maximum allowable levels. In general, in the foothill areas of the Krasnodar Territory, hay contains 11.0–25.0 mg/kg of zinc, 1.8–9.0 mg/kg of copper, 0.2–2.0 mg/kg of lead, and 0.06– 0.24 mg/kg cadmium. Studies have shown that the agricultural soils of the foothill areas do not contain exceeding MPC values of mobile forms of zinc and copper. But there are local foci containing lead in small quantities. In hay from arable land and natural forage lands, the amount of heavy metals does not exceed MDU.


10.5219/1663 ◽  
2021 ◽  
Vol 15 ◽  
pp. 608-615
Author(s):  
Zhanar Akhmet ◽  
Gulshat Zhaxylykova ◽  
Rashidah Sukor ◽  
Assiya Serikbayeva ◽  
Karima Myrzabek

The purpose of this study is to determine the level of antibiotic residues in poultry meat sold in the city of Almaty, which is a megacity of Kazakhstan, and compare it with the Minimum Residue Level set by World Health Organization and Food and Agriculture Organization. Determination of hormonal growth stimulators (progesterone, testosterone, estradiol-17β) and antibiotics (tetracycline, chloramphenicol, and streptomycin) in poultry was carried out using immunoassay according to the manufacturer’s instruction. The results of monitoring showed that in the Almaty region annually wholesale deliveries of meat products from the USA, Belarus, Ukraine, and Russia are carried out regularly. On average in the region from 2016 to 2019, the specific weight meat imports averaged 47.9% of total consumption. A total of 105 samples were examined by us between 2019 and 2020, including 63-import meat and 42 samples of the meat of local production. Due to the particular importance of this problem, the main focus of the article`s goal is to conduct monitoring studies on imported and domestic meat for the residual content of hormones and antibiotics in poultry meat. As a result of the enzyme-linked immunosorbent assay of poultry meat, an excess level of maximum residue was detected in eight brands of imported meat.


2020 ◽  
pp. 39-46
Author(s):  
Simona Anițaș ◽  
Mirela Coman ◽  
Bogdan-Vasile Cioruța

Until now, there have been laborious researches regarding the presence of heavy metals in environmental factors but their effects have been studied less in the bio-geo-chemical circuits, respectively within the local trophic chains and the regional trophic networks. Naturally, the metals existing in the earth's crust enter the bio-geo-chemical cycles. In the cells of higher organisms, as we know, there is a fragile balance between the amounts of metals needed for catalytic processes and toxic doses to organisms. However, this balance is dependent not only on the concentration and variety of metals in the Earth's crust but also on the microbiological activity of environmental factors, responsible for the transformation of these metals into complex chemical substances that affect more or less the organisms, respectively their enzymatic activity. The vital-necessary, but also the non-vital mineral substances in their mobile forms, which may at one time be toxic to organisms, are significantly pushed out by anthropic activities into trophic chains. They are present in environmental factors such as soil, air, water, reach the body of plants and the body of animals. Plants and animals can bioaccumulate and concentrate in their bodies several chemical elements in the environment, regardless of their origin, which is then easily transferred through food circuits into the human body. Thus, through local trophic chains, respectively through regional trophic networks, contamination of the human body takes place. This requires the need for a measure of most likely high complexity to mitigate the effects with a strong impact on the health status, including that of the human psychic. In severe cases of contamination, behavioral manifestations, especially among the vulnerable population, are proven.


Sign in / Sign up

Export Citation Format

Share Document