Explosion-Induced Neurotrauma (Pathophysiological and Patomorphological Features)

2021 ◽  
Vol 6 (5) ◽  
pp. 83-88
Author(s):  
Yu. V. Kozlova ◽  
◽  
V. V. Koldunov ◽  
O. A. Aleksjejenko ◽  
K. S. Kozlova ◽  
...  
Keyword(s):  
White Male ◽  
Biomedical Ethics ◽  
Control Group ◽  
Standard Diet ◽  
Barnes Maze ◽  
Functional Changes ◽  
Latent Time ◽  
Male Wistar Rats ◽  
Post Traumatic ◽  
Experimental Group

The article presents the results of pathophysiological and pathomorphological features which were studied in experimental blust-induced neurotrauma in rats. The relevance of this study is associated with the frequent blust neurotrauma resulting from the use of explosives in military conflicts. At the same time, neurotrauma is more common, which is clinically manifested by cognitive impairment, even with mild and moderate severity. This, in turn, leads to complications and disability for young people. The purpose of the work was to study the consequences of the air-shock wave influence on the functional and morphological states of the central nervous system. Materials and methods. The studies were carried out on 36 white male Wistar rats 5-7 months old, weighing 180-220 g. The rats were divided into two groups: I – experimental group (n=18), the animals of which were anesthetized with halothane, fixed and explosion-induced neurotraum was simulated by generating a baroacoustic wave with an excess pressure of 26.4 ± 3.6 kPa. II group was a control group (n=18). Functional changes were investigated in the Barnes maze. For pathomorphological examination, brain sections were stained with hematoxylin and eosin. The animals were kept in standard conditions and in the standard diet of the vivarium, all studies were conducted in accordance with modern international requirements and norms of humane treatment of animals (Council of Europe Convention dated 18.03.1986 (Strasbourg); Helsinki Declaration 1975, revised and supplemented in 2000, Law of Ukraine dated 21.02.2006 No. 3447-IV), which is evidenced by an extract from the protocols of the meeting of the commission on biomedical ethics. Results and discussion. Analysis of the results of memory studies in the Barnes maze showed a significant (Р <0.05) increase in the latent time of entering the shelter in rats of the experimental group in the acute and early post-traumatic period, which indicates memory impairment. General characteristics of the rats behavior in the experimental group showed an increase in anxiety and disorientation. The increase in research on "fake shelters" and the chaotic movement around the facility was evidenced. Analysis of frontal histological sections of the rat brain in the dynamics of the explosion-induced neurotrauma development showed the presence of characteristic signs in the form of diffuse microhemorrhages in the hippocampus zone in the acute period of injury, diffuse areas of perivascular and pericellular edema in the early post-traumatic period and paretic dilated capillaries in the structure of the cerebral region on 2nd-3rd week of the post-traumatic period. Conclusion. Thus, quantitative (increased latent time) and qualitative (increased anxiety) signs of impaired orientational-spatial memory and the development of specific pathomorphological signs of explosive brain damage in rats of the experimental group were established

scholarly journals Functional Changes of Temporomandibular Joint Mechanoreceptors Induced by Reduced Masseter Muscle Activity in Growing Rats

2009 ◽  
Vol 79 (5) ◽  
pp. 978-983 ◽  
Author(s):  
Takayoshi Ishida ◽  
Tadachika Yabushita ◽  
Kunimichi Soma
Keyword(s):  
Temporomandibular Joint ◽  
Muscle Activity ◽  
Masseter Muscle ◽  
Growth Period ◽  
Control Group ◽  
Functional Changes ◽  
Male Wistar Rats ◽  
Masseter Muscles ◽  
Experimental Group ◽  
Indirect Stimulation

Abstract Objective: To determine the influence of masseter muscle activity during growth on the functional characteristics of temporomandibular joint (TMJ) mechanoreceptors. Materials and Methods: Sixty-six 3-week-old male Wistar rats were divided into an experimental group, in which the masseter muscles were bilaterally resected at 3 weeks of age, and a control group. Single-unit activities of the TMJ mechanoreceptors were evoked by indirect stimulation of passive jaw movement. Electrophysiologic recordings of TMJ units were made at 5, 7, and 9 weeks of age. Results: During this period, the firing threshold of the TMJ units was significantly lower and the maximum instantaneous frequency of the TMJ units was significantly higher in the experimental group than in the control group. Conclusion: Reduced masseter activity during the growth period alters the response properties of TMJ mechanoreceptors.

scholarly journals FXR expression in a rat model of hilar cholangiocarcinoma

2020 ◽  
Author(s):  
Meng-yu Zhang ◽  
Jie-ping Wang ◽  
Kai he ◽  
Xian-ming Xia
Keyword(s):  
Bile Duct ◽  
Rat Model ◽  
Hilar Cholangiocarcinoma ◽  
Tumor Formation ◽  
Pathological Examination ◽  
Control Group ◽  
Standard Diet ◽  
Male Wistar Rats ◽  
Hilar Bile Duct ◽  
Experimental Group

Abstract Background: To develop a rat model of hilar cholangiocarcinoma and detect Farnesyl X receptor (FXR) expression in hilar cholangiocarcinoma tissues of this model, in order to provide a new method for the treatment of hilar cholangiocarcinoma.Methods: Forty male Wistar rats (body weight, 185 ± 5 g) were randomly divided into two groups (n = 20 each) as follows: The control group was fed a standard diet, and the experimental group was injected by cholangiocarcinoma QBC939 cell suspension along the hilar bile duct into the bile duct bifurcation with microsyringe. Every day note the rats’ mental state, diet, and fur condition. At 4 weeks, one rat of the experimental group was sacrificed, and we recorded changes in hilar bile duct size, texture, and form. This procedure was repeated at 6 weeks. After 6 weeks, hilar cholangiocarcinoma developed only in the experimental group, thereby establishing an experimental model for studying QBC939-induced hilar cholangiocarcinoma. Tumor formation was confirmed by pathological examination, and hilar bile duct tissues were harvested from both the groups. A real-time polymerase chain reaction assay and an immunohistochemical assay were used to analyze the expression of FXR in hilar cholangiocarcinoma and normal hilar bile duct tissues.Results: From the second week, the rats in experimental group began to eat less, and their body mass decreased compared with controls. After 6 weeks, we detected hilar cholangiocarcinoma in 17 rats (85%) in the experimental group. In the experimental group, we found that the levels of total cholesterol, total bilirubin, and direct bilirubin were higher compared with those of the control group. Simultaneously, muddy stones emerged from the bile ducts of rats in the experimental group. The FXR/Gapdh mRNA ratio in hilar cholangiocarcinoma and normal hilar bile duct tissues differed markedly. Light microscopy revealed a granular pattern of FXR expression which reacted with the anti-FXR antibody. Each section was randomly divided into six regions, with 80 cells were observed in every region. Sections with >10% positive cells were designated positive,Sections with <10% positive cells were designated negative. Each group included 4,800 cells. In the experimental group, 1,196 cells (24.9%) were positive and 3,538 cells (73.7%) were positive in the control group, and this difference was statistically significant.Conclusion: FXR expression significantly decreased in hilar cholangiocarcinoma of rats than in those of controls, suggesting that drugs targeting FXR may be a new strategy for hilar cholangiocarcinoma.

scholarly journals FXR expression in a rat model of hilar cholangiocarcinoma

2020 ◽  
Author(s):  
Meng-yu Zhang ◽  
Jie-ping Wang ◽  
Kai he ◽  
Xian-ming Xia
Keyword(s):  
Bile Duct ◽  
Rat Model ◽  
Hilar Cholangiocarcinoma ◽  
Tumor Formation ◽  
Pathological Examination ◽  
Control Group ◽  
Standard Diet ◽  
Male Wistar Rats ◽  
Hilar Bile Duct ◽  
Experimental Group

Abstract AIM: To develop a rat model of hilar cholangiocarcinoma and detect Farnesyl X receptor (FXR) expression in hilar cholangiocarcinoma tissues of this model, in order to provide a new method for the treatment of hilar cholangiocarcinoma. METHODS: Forty male Wistar rats (body weight, 185 ± 5 g) were randomly divided into two groups (n = 20 each) as follows: The control group was fed a standard diet, and the experimental group was injected by cholangiocarcinoma QBC939 cell suspension along the hilar bile duct into the bile duct bifurcation with microsyringe. Every day note the rats’ mental state, diet, and fur condition. At 4 weeks, one rat of the experimental group was sacrificed after it was administered anesthesia, and we recorded changes in hilar bile duct size, texture, and form. This procedure was repeated at 6 weeks. After 6 weeks, , hilar cholangiocarcinoma developed only in the experimental group, thereby establishing an experimental model for studying QBC939-induced hilar cholangiocarcinoma. Tumor formation was confirmed by pathological examination, and hilar bile duct tissues were harvested from both the groups. A real-time polymerase chain reaction assay and an immunohistochemical assay were used to analyze the expression of FXR in hilar cholangiocarcinoma and normal hilar bile duct tissues. RESULTS: From the second week, the rats in experimental group began to eat less, and their body mass decreased compared with controls. After 6 weeks, we detected hilar cholangiocarcinoma in 17 rats (85%) in the experimental group. In the experimental group with hilar cholangiocarcinoma, we found that the levels of total cholesterol, total bilirubin, and direct bilirubin were higher compared with those of the control group. Simultaneously, muddy stones emerged from the bile ducts of rats in the experimental group. The FXR /Gapdh mRNA ratio in hilar cholangiocarcinoma and normal hilar bile duct tissues differed markedly (16 and 35, respectively). Light microscopy revealed a granular pattern of FXR expression which reacted with the anti- FXR antibody. Each section was randomly divided into six regions, with 80 cells were observed in every region. Sections with >10% positive cells were designated positive, Sections with <10% positive cells were designated negative. Each group included 4,800 cells. In the experimental group, 1,196 cells (24.9%) were positive and 3,538 cells (73.7%) were positive in the control group, and this difference was statistically significant (χ2 = 10.35, P < 0.05). CONCLUSION: FXR expression significantly decreased in hilar cholangiocarcinoma of rats than in those of controls, suggesting that drugs targeting FXR may be a new strategy for hilar cholangiocarcinoma.

scholarly journals Influence of thePENTAPHYLLOIDES FRUTICOSA l.lInIment on tba-actIve products and antIoxIdant status In wound InjurIes assocIated wIth experImental dIabetes mellItus

2016 ◽  
Vol 1 (5) ◽  
pp. 126-128
Author(s):  
Бальхаев ◽  
Mikhail Balkhaev ◽  
Гармаев ◽  
Bato-Tsyren Garmaev ◽  
Хитрихеев ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Lipid Peroxidation ◽  
Antioxidant Status ◽  
Experimental Diabetes ◽  
White Male ◽  
Control Group ◽  
Experimental Diabetes Mellitus ◽  
Male Wistar Rats ◽  
Pentaphylloides Fruticosa ◽  
Experimental Group

The aim of the work was to evaluate the influence of the liniment from Pentaphylloides fruticosa L. on lipid peroxidation in rats with experimental diabetes mellitus accompanied by wound process.The liniment was developed with the use of NanoDeBee30 device. Experiments were carried out on white male Wistar rats. Experimental diabetes mellitus was simulated by a single intraperitoneal introduction of alloxan in a dose of 100mg/kg. The skin injury was simulated by inflicting planar wounds 2.0×2.0cm in size. 5mg of the 5%-liniment from Pentaphylloides fruticosa was put on the wounds of the first experimental group once a day for 14 days. The sec-ond experimental group was treated by the preparation of comparison – balsamic liniment. The wounds of the control group were treated with glycerin-lanolin ointment. On the 7th, 14th and 21st day the concentration of TBA-active products in the blood serum was determined to estimate the intensity of lipid peroxidation processes; the contents of reduced glutathione and catalase activity were determined to evaluate the antioxidant status. The results of the experiments verify the marked curative effect of the liniment from Pentaphylloides fruticosa L. on the healing of the wounds on the background of experimental diabetes mellitus in rats

Influence of DAFS-25+polizon composition on blood and functional state of liver of steers at fattening

2020 ◽  
pp. 15-18
Author(s):  
Inna R. Kilmetova ◽  
◽  
Igor A. Rodin ◽  
Nazira I. Khayrullina ◽  
Nikolay G. Fenchenko ◽  
...  
Keyword(s):  
Functional State ◽  
White Blood Cells ◽  
Live Weight ◽  
The Body ◽  
Farm Animals ◽  
Control Group ◽  
Standard Diet ◽  
The Impact ◽  
Experimental Group ◽  
Stimulation Of

Summary. The disbalanced feeding and the uneven distribution of micro- and macroelements in the environment leads to a trace element, in particular hypomelanosis. To accelerate the growth and preservation of young farm animals include in the diet of various biological additives and drugs, which include selenium. For stimulation of weight gain in the livestock industry, as well as for the prevention and treatment of pathological processes in addition to micro - and macrouse amino acids, primarily methionine. The aim of this work was to study the influence of composition of DAFS-25+Polizon on morpho-biochemical parameters of blood and functional state of the liver in fattening bulls of black-motley breed in the conditions of the Republic of Bashkortostan. Experiments using were conducted on bull-calves of black-motley breed of the properties in the properties age from 6 to 15 months. The first experimental group during the experiment was additionally given the composition of DAFS-25+Polizon at a dose of 2 mg/kg, the animals of the control group received a standard diet. To assess the impact of the composition DAFS-25+Polizon on metabolism cattle studied morphological and biochemical indicators of blood and conducted histological examination of the liver. It is established that the use of the composition of DAFS-25+Polizon at a dose of 2 mg/kg increases the number of erythrocytes and hemoglobin in the experimental group and reduces the amount of white blood cells. The serum content of total protein, phosphorus and calcium increases in the group of experimental animals. Microscopic examination of the liver revealed no changes in the structure of the organ and hepatocytes in the experimental group, whereas in the control group hemodynamic disorders and dystrophic changes in liver cells were observed. Thus, the use of the composition DAFS-25+Polizon at a dose of 2 mg/kg of live weight in fattening bulls black-and-white breed contributes to the increase of redox processes in the body, stimulation of metabolism, prevent the development of liver disorders of cellular mechanisms of metabolism, optimizes the structure of the liver, which generally provides higher productivity.

Pengaruh Pemberian Ekstrak Anggur Laut terhadap Penurunan Kadar Kolesterol LDL Rattus norvegicus Jantan yang Mendapat Diet Tinggi Lemak

2020 ◽  
Vol 17 (2) ◽  
pp. 192
Author(s):  
RONALDO LAU ◽  
SULISTIANA PRABOWO ◽  
RIAMI RIAMI
Keyword(s):  
Cholesterol Level ◽  
Rattus Norvegicus ◽  
High Fat Diet ◽  
Ldl Cholesterol ◽  
White Male ◽  
Standard Diet ◽  
High Fat ◽  
Caulerpa Racemosa ◽  
Significant Difference ◽  
Male Wistar Rats

<p align="justify"><strong>ABSTRACT</strong><strong></strong></p><p align="justify"><strong>Background</strong>: High fat diet increase the absorption of lipid in the intestinum, that can lead to increase LDL cholesterol level in the blood. Sea grapes extract (<em>Caulerpa racemosa</em>) contains antioxidant polyphenolic group that can reduce MTP and ACAT-2 in the body that can decrease LDL cholesterol level in the blood.The purpose of this study is to know the effect of sea grapes extract  on decreasing LDL cholesterol of white male Wistar rats (<em>Rattus norvegicus</em>) fed with high fat diet.</p><p align="justify"><strong>Method</strong>:  24 white male Wistar rats, that divided into 3 groups: 1) group of rats fed with standard diet for 28 days; 2) group of rats fed with high fat diet for 28 days; 3) group of rats fed with high fat diet for 28 days and given 10 gram/kg body weight/day of sea grapes extract on 15<sup>th</sup>-28<sup>th</sup> days. Then the blood LDL cholesterol level measured on the 29<sup>th</sup> day.</p><p align="justify"><strong>Result :</strong> One-Way ANOVA Test showed there was significant difference (p=0.004) of LDL level between the group of rats fed with standard diet (12.37 mg/dl) compared to group of rats fed with high fat diet (17.87 mg/dl). There was significant difference (p=0.001) of LDL level between the group of rats fed with high fat diet (17.87 mg/dl) compared to group of rats fed with high fat diet and sea grapes extract (10.12 mg/dl).</p><p align="justify"><strong>Conclusion: </strong>high fat diet significantly increase blood LDL cholesterol level and sea grapes extract (<em>Caulerpa racemosa</em>) significantly decrease blood LDL cholesterol level.</p><p align="justify"> </p><p align="justify"><strong>Keywords :</strong>Sea grapes extract, LDL cholesterol, high fat diet</p>

scholarly journals The use of Portland cement in the repair of mandibular fractures in rats

2011 ◽  
Vol 26 (6) ◽  
pp. 426-432
Author(s):  
Reginaldo Inojosa Carneiro Campello ◽  
Belmiro Cavalcanti do Egito Vasconcelos ◽  
Gerhilde Callou Sampaio ◽  
Antonio Rolim ◽  
Gabriela Granja Porto
Keyword(s):  
Portland Cement ◽  
Bone Healing ◽  
Soft Tissues ◽  
Lethal Dose ◽  
Mandibular Fracture ◽  
Point Of View ◽  
Control Group ◽  
Mandibular Fractures ◽  
Male Wistar Rats ◽  
Experimental Group

PURPOSE: To evaluate the bone healing of mandibular fractures following the use of Portland cement. METHODS: Thirty-two male Wistar rats were divided into control and experimental groups. In the control group the rats were submitted to a mandibular fracture, which was reduced, and the soft tissues were sutured. In the experimental group the rats had the mandibular fracture reduced and maintained with the Portland cement. The animals were euthanized 7 and 21 days after surgery by injecting a lethal dose of anesthetic. The following variables were studied: weight of the animals, radiographic images, histopathological features and time of surgery. RESULTS: A weight loss was observed in the specimens of both groups at the different times of evaluation, a greater difference in weight before and after surgery being found in the experimental group, which was statistically significant (p <0.05, p = 0.041). From the histological point of view, with a margin of error (5.0%) the only two significant differences (p <0.05) recorded in the variables were "Material deployed" and "Bone resorption" during the evaluations at 7 and 21 days, respectively. CONCLUSION: The Portland cement served to promote bone healing.

scholarly journals HEPATOPROTECTIVE EFFECT OF BANANA PEEL FLOUR ON HISTOLOGICAL AND LIVER FUNCTION IN DIABETIC RATS

2021 ◽  
pp. 529-538
Author(s):  
Herlin Ajeng Nurrahma ◽  
Andreanyta Meliala ◽  
Paramita Narwidina ◽  
Sri Herwiyanti
Keyword(s):  
Liver Function ◽  
Diabetic Rats ◽  
Hepatoprotective Effect ◽  
Banana Peel ◽  
Control Group ◽  
Standard Diet ◽  
Hepatic Enzyme ◽  
Alcoholic Fatty Liver ◽  
Group I ◽  
Male Wistar Rats

In diabetes mellitus, non-alcoholic fatty liver disease (NAFLD) is closely linked to hyperglycemia metabolism. This study aimed to find out how a banana peel supplemented diet affected histological and liver function changes in streptozotocin-induced diabetic rats. Vitamins, minerals, dietary fiber, antioxidants, and tryptophan are all contained in banana peel flour (BPF). Serotonin is a neurotransmitter that has been linked to depression and anxiety. This post-test-only control group study was conducted on twenty-five male Wistar rats which were separated into five groups with different treatments. Groups II to V were diabetic rats model groups that consumed standard diet mixed with BPF 0%, 5%, 10%, and 20%, respectively, while group I was a healthy control group fed a standard diet. Hepatic enzyme transaminase (Alanine Aminotransferase-ALT and Aspartate Aminotransferase - AST) and Hematoxylin-Eosin (HE) staining were analyzed with the NAFLD score to examine the liver function and hepatocellular morphology. A change in liver function was observed, as well as a substantial change in the levels of ALT and AST. The NAFLD score with HE staining showed substantial improvements in liver morphology, which was better seen at a 20% BPF dose. The current study supported the hypothesis that BPF had a hepatoprotective effect in diabetic rats, which may be due to the mechanism of controlling the hepatic enzyme transaminase and inducing liver regeneration.

scholarly journals A Subpressor Dose of Angiotensin II Elevates Blood Pressure in a Normotensive Rat Model by Oxidative Stress

2015 ◽  
pp. 153-159 ◽  
Author(s):  
M. M. GOVENDER ◽  
A. NADAR
Keyword(s):  
Oxidative Stress ◽  
Blood Pressure ◽  
Angiotensin Ii ◽  
Mrna Expression ◽  
Rat Model ◽  
Wistar Rat ◽  
Control Group ◽  
Sod Activity ◽  
Male Wistar Rats ◽  
Experimental Group

Oxidative stress is an imbalance between free radicals and antioxidants, and is an important etiological factor in the development of hypertension. Recent experimental evidence suggests that subpressor doses of angiotensin II elevate oxidative stress and blood pressure. We aimed to investigate the oxidative stress related mechanism by which a subpressor dose of angiotensin II induces hypertension in a normotensive rat model. Normotensive male Wistar rats were infused with a subpressor dose of angiotensin II for 28 days. The control group was sham operated and infused with saline only. Plasma angiotensin II and H2O2 levels, whole-blood glutathione peroxidase, and AT-1a, Cu/Zn SOD, and p22phox mRNA expression in the aorta was assessed. Systolic and diastolic blood pressures were elevated in the experimental group. There was no change in angiotensin II levels, but a significant increase in AT-1a mRNA expression was found in the experimental group. mRNA expression of p22phox was increased significantly and Cu/Zn SOD decreased significantly in the experimental group. There was no significant change to the H2O2 and GPx levels. Angiotensin II manipulates the free radical-antioxidant balance in the vasculature by selectively increasing O2− production and decreasing SOD activity and causes an oxidative stress induced elevation in blood pressure in the Wistar rat.

COMPARATIVE ASSESSMENT OF THE FUNCTIONAL PROPERTIES OF THE FOOD ADDITIVE «TOMATNAYA» OBTAINED BY VARIOUS TECHNOLOGIES

2021 ◽  
Author(s):  
Е.П. ВИКТОРОВА ◽  
Е.В. ЛИСОВАЯ ◽  
М.В. ЛУКЬЯНЕНКО ◽  
Н.Н. КОРНЕН ◽  
Е.В. КУЗЬМИНОВА ◽  
...  
Keyword(s):  
Functional Properties ◽  
Antioxidant Properties ◽  
Food Additive ◽  
The Body ◽  
Innovative Technology ◽  
Control Group ◽  
Standard Diet ◽  
Tomato Pomace ◽  
White Rats ◽  
Experimental Group

Для получения препаратов и добавок, обладающих антиоксидантными свойствами, представляют интерес выжимки томатов, образующиеся при производстве сока прямого отжима с предварительным отделением семян. Проведена сравнительная оценка эффективности функциональных свойств образцов пищевой добавки, полученных из выжимок томатов по различным технологиям: образец добавки 1 получен по технологии, включающей ИК-сушку выжимок, их охлаждение и измельчение; образец добавки 2 – по инновационной технологии, включающей дополнительную предварительную обработку выжимок в ЭМП СВЧ перед ИК-сушкой. Исследования проводили в течение 30 дней на трех группах лабораторных белых крыс: контрольной, животные которой получали стандартный рацион, и двух опытных, в которых животные помимо основного рациона получали при кормлении индивидуально 1 раз в сутки 2 г добавки образца 1 (1-я опытная группа) или образца 2 (2-я опытная группа). Установлено, что степень снижения концентрации ферментов печени АсАт и АлАт в крови животных 2-й опытной группы соответственно на 10,6 и 11,0% выше, чем в крови животных 1-й опытной группы. Степень снижения содержания диеновых коньюгатов, кетодиенов и малонового диальдегида в крови животных 2-й опытной группы была соответственно на 22,1; 10,1 и 12,7% выше по сравнению с аналогичными показателями животных 1-й опытной группы. Таким образом, доказано, что пищевая добавка «Томатная», выработанная по инновационной технологии, проявляет ярко выраженные антиоксидантные и гепатопротекторные свойства, что обеспечивает нормализацию биохимических процессов в организме, повышает его антиоксидантную защиту и препятствует разрушению мембран клеток. For the obtaining of preparations and additives with antioxidant properties, tomato pomace, formed during the production of direct-pressed juice with preliminary separation of seeds, is of interest. A comparative evaluation of the effectiveness of the functional properties of food additive samples obtained from tomato pomace using various technologies was carried out. The sample of additive 1 was obtained using a technology that includes IR drying of pomace, cooling and grinding; the sample of additive 2 was obtained using a technology that includes additional pretreatment of pomace in microwave EMF before IR drying. The studies were carried out for 30 days on three groups of laboratory white rats: a control group, the animals of which were given a standard diet, and two experimental ones, in which the animals, in addition to the main diet, were given individually once a day with 2 g of an additive of sample 1 (1st experimental group) or sample 2 (2nd experimental group). It was found that the degree of decrease in the concentration of liver enzymes AsAt and AlAt in the blood of animals of the 2nd experimental group was respectively 10,6 and 11,0% higher, than in the blood of animals of the 1st experimental group. The degree of decrease in the content of diene conjugates, ketodienes and malondialdehyde in the blood of animals of the 2nd experimental group was higher respectively by 22,1; 10,1 and 12,7% compared with similar indicators of animals of the 1st experimental group. Thus, it is proved that the food additive «Tomatnaya», developed by innovative technology, shows pronounced antioxidant and hepatoprotective properties, which ensures the normalization of biochemical processes in the body, increases its antioxidant protection and prevents the destruction of cell membranes.

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