scholarly journals The effect of complex herbal extract and methotrexate on suppressing adjuvant arthritis in rats

2021 ◽  
Vol 91 (4) ◽  
pp. 411-425
Author(s):  
Rūta Bradūnaitė ◽  
◽  
Laima Leonavičienė ◽  
Laimis Akramas ◽  
Audrius Vasiliauskas ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Adjuvant Arthritis ◽  
Curcuma Longa ◽  
Combined Treatment ◽  
Herbal Extract ◽  
Control Group ◽  
Histological Changes ◽  
Therapeutic Benefits ◽  
Devil’S Claw ◽  
Group I

The present study evaluated the therapeutic benefits of complex herbal preparation named CBMDS, consisting of turmeric (Curcuma longa), Boswellia (Boswellia serrata), Methylsulphonylmethane, Devil’s Claw (Harpagophytum procumbens) and Silymarin, using it in combination with methotrexate, in order to suppress adjuvant arthritis in rats, and to attenuate methotrexate-induced liver damage. Adjuvant arthritis was induced in 28 rats by a single subplantar injection of complete Freund’s adjuvant (0.1 mL) into the left hind paw. The animals were divided into four groups (with seven animals in each). Group I received CBMDS, Group II - CBMDS in combination with methotrexate, and Group III just methotrexate. The treatment lasted from day 0 to day 17 (CBMDS was given daily except weekends in a dose of 160 mg/kg, methotrexate - 2 mg/kg once a week). Group IV was the control group. Clinical (body weight, hind paw volume, erythrocyte sedimentation rate, leukocyte count), biochemical (serum pro-/antioxidant activity markers), immunological (serum interleukin levels) and histological changes in joint and liver tissues were evaluated. CBMDS significantly alleviated arthritis and reduced hepatic damage, which was more evident in the methotrexate group. The combined treatment also markedly reduced arthritic symptoms and levels of malondialdehyde. Antioxidant activity was significantly higher in treated Groups I and II. CBMDS and its combination with methotrexate promoted anti-arthritic action, reduced histological changes in the joint tissues, and minimized methotrexate-induced liver toxicity.

New and safe experimental model of radiation-induced neurovascular histological changes for microsurgical research

2016 ◽  
Vol 51 (2) ◽  
pp. 124-137
Author(s):  
Sergi Barrera-Ochoa ◽  
Irene Gallardo-Calero ◽  
Andrea Sallent ◽  
Alba López-Fernández ◽  
Ramona Vergés ◽  
...  
Keyword(s):  
Side Effects ◽  
Experimental Model ◽  
Experimental Studies ◽  
Neurovascular Bundle ◽  
Control Group ◽  
Sprague Dawley ◽  
Histological Changes ◽  
Group I ◽  
Radiation Induced

The aim is to create a new and safe experimental model of radiation-induced neurovascular histological changes with reduced morbidity and mortality for use with experimental microsurgical techniques. Seventy-two Sprague–Dawley rats (250–300 g) were divided as follows: Group I: control group, 24 rats clinically evaluated during six weeks; Group II: evaluation of acute side-effects (two-week follow-up period), 24 irradiated (20 Gy) rats; and Group III: evaluation of subacute side-effects (six-week follow-up period), 24 irradiated (20 Gy) rats. Variables included clinical assessments, weight, vascular permeability (arterial and venous), mortality and histological studies. No significant differences were observed between groups with respect to the variables studied. Significant differences were observed between groups I vs II–III regarding survival rates and histological changes to arteries, veins and nerves. Rat body weights showed progressive increases in all groups, and the mortality rate of the present model is 10.4% compared with 30–40% in the previous models. In conclusion, the designed model induces selective changes by radiotherapy in the neurovascular bundle without histological changes affecting the surrounding tissues. This model allows therapeutic experimental studies to be conducted, including the viability of microvascular and microneural sutures post radiotherapy in the cervical neurovascular bundle.

scholarly journals The effect of bee venom and hyperthermia on the lipoperoxidation and antioxidant activity of the blood of tumor-bearing animals

2021 ◽  
pp. 25-33
Author(s):  
M.A. Shabalin ◽  
◽  
A.V. Deryugina ◽  
V.V. Nazarova ◽  
E.A. Gracheva ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Antioxidant Activity ◽  
Malignant Tumors ◽  
Combined Treatment ◽  
Bee Venom ◽  
Control Group ◽  
Sod Activity ◽  
Tumor Bearing ◽  
Prolonged Effect ◽  
Control Tumor

Introduction. Nowadays, it has been shown that one of the possible ways to increase the effectiveness of the treatment of malignant tumors is the use of combined treatment methods. Aim. To study the intensity of lipid peroxidation (LPO) and the activity of superoxide dismutase (SOD) in hyperthermia against the background of bee venom in the blood of tumor-bearing rats. Materials and methods. The experimental animals were divided into 5 groups: 1st — intact; 2nd — control (tumor-bearing animals (PS-1 tumor strain) with intraperitoneal (IP) administration of saline solution); 3rd, 4th and 5th groups — tumor-bearing animals with IP administration of 0.5 ml of bee venom against the background of hyperthermia 42, 43 and 44°C respectively. The content of diene and triene conjugates, Schiff bases (SB) and SOD activity in the blood of animals was determined. Results. From the 1st day after the end of the experiment, a statistically significant decrease in triene conjugates was recorded in all experimental groups compared to the control group. SB decreased on the 1st–7th day after the end of the experiment with the action of hyperthermia 42°C and bee venom, on the 7th–28th day — with the action of hyperthermia 43°C and bee venom, and on the 28th day — with the action of bee venom and hyperthermia 44°C, which was accompanied by an increase in SOD activity from the 7th day in all experimental groups compared to the control group. Conclusion. Hyperthermia in combination with the action of bee venom causes a decrease in lipid peroxidation products and an increase in antioxidant activity in the blood of tumor-bearing rats. The most effective action, in our opinion, is the use of bee venom against the background of hyperthermia of 43°C, at which a prolonged effect is recorded both with respect to a decrease in the concentration of SB and an increase in the activity of SOD.

scholarly journals Biochemical Effects of Matured Stem Extract of Opuntia Dillenii in Male Wistar Rats

2018 ◽  
Vol 11 (1) ◽  
pp. 49-58
Author(s):  
Uche C. Njoku ◽  
Benjamin A. Amadi ◽  
Peter U. Amadi ◽  
Onyebuchi E. Ezendiokwere ◽  
Idongesit E. Archibong
Keyword(s):  
Wistar Rats ◽  
Density Lipoprotein ◽  
Control Group ◽  
Group Iii ◽  
Therapeutic Benefits ◽  
Group I ◽  
Male Wistar Rats ◽  
Stem Extract ◽  
Group Ii ◽  
Opuntia Dillenii

Summary The effect of aqueous matured stem extract of Opuntia dillenii on selected biochemical parameters in Male Wistar rats was explored. Standard analytical methods were applied. Forty Wistar rats (80-100g) were used in the animal studies, separated into four groups. The control group was solely administered normal feed and saline, group I was administered 100mgkg−1 of the extract, group II received 300mgkg−1 of the extract and group III received 500 mg/kg−1 of the extract. A significant increase (p<0.05) in the activities of alanine aminotransferase (ALT) and alkaline phosphatase was observed in group II and III rats, as compared with the controls. A significant decrease in urea and creatinine concentrations was found only in group III rats against the controls. Also, a significant (p<0.05) decrease in triglyceride, total cholesterol, and low density lipoprotein (LDL)-cholesterol was seen in group II and group III rats when compared with the control. The hematological evaluation revealed a significant (p<0.05) decrease in red blood cell and hemoglobin levels in group III rats when compared with the control. The findings showed both beneficial and toxicological effects of the plant. Hence, for optimal therapeutic benefits, a further toxicological survey could still be carried out perhaps at higher doses.

scholarly journals Potentials of intravenous laser blood irradiation to correct peroxidation and antioxidant activity as a result of surgical distress

2021 ◽  
Vol 25 (2) ◽  
pp. 22-27
Author(s):  
L. V. Musikhin ◽  
V. S. Shiryaev ◽  
F. M. Shvetsky ◽  
V. I. Potievskaya ◽  
M. B. Potievsky ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Antioxidant Activity ◽  
Optical Density ◽  
Control Group ◽  
Protective Effects ◽  
Sh Groups ◽  
Endogenous Intoxication ◽  
Group I ◽  
Blood Irradiation ◽  
Laser Blood Irradiation

Purpose: to reveal protective effects of intravenous low-level laser blood irradiation (ILBI) during surgical interventions at the gallbladder as well as to study the state of antioxidant activity, lipid peroxidation and endogenous intoxication.Material and methods. In the perioperative period, 40 patients from the main group (I) had traditional treatment which included pharmacological preparations and sessions of intravenous laser blood irradiation. 45 patients from the control group (II) had only traditional (pharmacotherapeutic) treatment. In both groups during surgery, the anesthetic protection consisted of classical neuroleptanalgesia. The age of patients in both groups did not differ significantly. Intravenous laser blood irradiation was done with helium-neon laser “Atoll” 632 nm (Fokon Ltd, St-Petersburg, Russia). During surgery, three irradiation sessions were performed at radiation power of 20 mW and exposure 15 minutes at various stages of surgery: 30 minutes before induction of anesthesia, at the traumatic stage and 30 minutes before the expected finish of the surgery. Ceruloplasmin and transferrin levels in the blood plasma were assessed with the electron paramagnetic resonance technique. The ratio of ceruloplasmin/transferrin which characterizes the level of antioxidant activity was also established. The level of endogenous intoxication was assessed using the previously published technique. The quantitative characteristics of endogenous intoxication by this technique is the value of optical density (D280) and total optical density of components related to high molecular weight and low molecular weight fractions.Results. ILBI sessions in patients neutralize changes in the level of ceruloplasmin and transferrin in blood. The data obtained also confirm ILBI protective effects at protein SH-groups or activation of the restoration of protein SH-groups that were damaged by oxidation as a result of surgical aggression and trauma.Conclusion. The protective effect of intravenous laser blood irradiation in addition to the standard preoperative therapy optimizes pharmacological anesthetic protection during surgery under the existing traditional schemes of combined general anesthesia.

scholarly journals Antihyperglycemic effect and phytochemical investigation of Rubia cordifolia (Indian Madder) leaves extract

2021 ◽  
Vol 19 (1) ◽  
pp. 586-599
Author(s):  
Muhammad Shafiq Khan ◽  
Shahid Aziz ◽  
Muhammad Zakryya Khan ◽  
Zafar Mahmood Khalid ◽  
Muhammad Riaz ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Ethyl Acetate Fraction ◽  
Treated Group ◽  
Diabetic Control ◽  
Total Phenolic ◽  
Control Group ◽  
Standard Drug ◽  
Aqueous Fraction ◽  
Rubia Cordifolia ◽  
Group I

Abstract Medicinal plants are used as an important source of medicines in pharmaceutical industry. Rubia cordifolia is widely used to cure diabetes mellitus. Present study was aimed to investigate the antihyperglycemic effects of different fractions of R. cordifolia leaves and to analyze its antioxidant effect and phytochemical composition. Male albino mice were randomly distributed into seven groups (n = 7). Group-I was normal control, group-II was Alloxan (100 mg/kg)-induced diabetic control, and group-III was standard drug (Glibenclamide 0.5 mg/kg)-treated group. Animals in groups IV–VII were treated with n-hexane fraction, ethyl acetate fraction, n-butanol fraction and aqueous fraction of R. cordifolia, orally administered (100 mg/kg) once daily up to 28 days after Alloxan induction, respectively. Methanolic extract (ME) and fractions of R. cordifilia were analyzed for antioxidant activity and quantification of total phenolic content and total flavonoid content. HPLC of ME and most active fractions were performed. The results showed that RCEF (G-V) and RCBF (G-VI) have significantly (P < 0.05) reduced the increased level of glucose as compared to toxicant control group. It was further revealed that EF and BF have higher antioxidant activity (having IC50 34.9, 36.86 (µg/mL)) owing to phenolic and flavonoid identified by HPLC.

scholarly journals Amygdalin and magnetic water ameliorate histological changes in liver induced by 1, 2 dimethyl hydrazine

2016 ◽  
Vol 40 (1) ◽  
pp. 136-139
Author(s):  
Ahmed S. Farhan
Keyword(s):  
Fatty Infiltration ◽  
Experimental Period ◽  
Control Group ◽  
Cell Necrosis ◽  
Histological Changes ◽  
Water Group ◽  
Toxic Damage ◽  
Group I ◽  
Ameliorative Effect ◽  
Magnetic Water

     This study aimed at evaluating the ameliorative effect of amygdalin and magnetic water on 1,2-dimethyl hydrazine induced toxic damage in tissues and oxidative stress in rat liver. Seven groups of ten rats each were selected for the study. Group I animals were treated as control. Group II rats received 1,2-dimethyl hydrazine (20 mg/kg body weight) injections subcutaneously once a week for 16 consecutive weeks and then kept without any treatment untill the end of the experimental period. Group III rats received amygdalin (20 mg/100 mg) daily via Oro-gastric tube. Groups IV rats were given magnetic water freely. Group V rats were given 1,2-dimethyl hydrazine + amygdalin. Group VI rat were given 1,2-dimethyl hydrazine + magnetic water Group VII rats were given 1,2-dimethyl hydrazine + amygdalin + magnetic water. Liver histological changes were studied. Degenerative changes were observed in different areas of  liver tissue in 1,2-dimethyl hydrazine group, and these changes include: Fibrosis with the  appearance of cell necrosis, hemorrhage, fatty infiltration and  pleomorphic  nuclei. While other groups  showed normal appearance of the hepatic cells but some changes were observed in 1,2-dimethyl hydrazine + amygdalin + magnetic water group include: Fibrosis with the appearance of cell necrosis, hemorrhage, fatty infiltration and  pleomorphic  nuclei but changes in this group were less than in 1,2-dimethyl hydrazine group. In conclusion, the present results suggest that the amygdalin and magnetic water have the potential to ameliorate carcinogen 1,2-dimethyl hydrazine induced hepatotoxicity by antioxidant and antiinflammation activity.

scholarly journals Experimental Evaluation of Prophylactic and Therapeutic Antioxidant Potential of Trimetazidine in Carbon Tetrachloride Induced Oxidative Stress in Rats

2021 ◽  
Author(s):  
Vijay Haribhau Mate ◽  
Vijaya Anil Pandit ◽  
Pradnya Hemant Padalkar ◽  
Chetan Shrirang More ◽  
Kapil S Khade
Keyword(s):  
Oxidative Stress ◽  
Antioxidant Activity ◽  
Carbon Tetrachloride ◽  
Treated Group ◽  
Hepatoprotective Activity ◽  
Antioxidant Potential ◽  
Oxidative Stress Marker ◽  
Control Group ◽  
Group Iii ◽  
Group I

Introduction: Exposure to various drugs and chemicals lead to oxidative stress. Carbon Tetrachloride (CCl4) produces rise in oxidative stress leading to hepatic damage. The drug Trimetazidine (TMZ) shows hepatoprotective activity but its mechanism is not known. The present study would help in establishing antioxidant activity of TMZ as probable mechanism. Aim: To evaluate the antioxidant potential of TMZ in CCl4 induced oxidative stress when given prophylactically/therapeutically in rats. Materials and Methods: An experimental animal study was conducted on 80 adult Wistar rats of either sex (weight-150 to 200 gm) from March 2010 to December 2010 in Bharati Vidyapeeth Medical College, Pune, Maharashtra, India. Randomly, all animals were grouped into 10 equal groups. Group i was normal control (received only water). To induce oxidative stress CCl4 (0.5 mL/kg/d i.p.) was given to all the animals of Group ii to Group x for seven days. The TMZ was given in two doses, TMZ1 (5 mg/kg orally for Group iii and vii) and TMZ2 (10 mg/kg orally for Group iv and viii). Positive standard control (Group v and Group ix) received Liv.52 (1 mL/kg orally). Group vi and Group x received combination of TMZ1 (5 mg/kg orally)+Liv.52 (1 mL/kg orally). Drug treatment was given to animals in group iii, iv, v and vi for 1-14 days (preventive group) and in group vii, viii, ix and x from day 8 to day 14 (therapeutic group). On 15th day, rats were sacrificed and dissected for collection of liver. Part of the livers was homogenised to assess oxidative stress marker enzymes Malondialdehyde (MDA), Superoxide Dismutase (SOD) spectrophotometrically. Statistical analysis was done with one- way Analysis of Variance (ANOVA) followed by post-hoc analysis (Dunnett’s test) using GraphPad Prism 5.0 software. Results: Trimetazidine (5 mg/kg and 10 mg/kg) significantly reduced MDA levels and increased SOD levels when compared with CCl4 treated group suggested antioxidant activity. Combined administration of Liv.52 and TMZ1 also reduced oxidative stress and increased antioxidant activity. Conclusion: Results of the present study suggested that increased oxidative stress was significantly attenuated by drug TMZ in dose dependant manner when compared with the CCl4 group. The antioxidant potential of prophylactic and therapeutic administration of TMZ was comparable. The increased antioxidant effect by Liv.52+TMZ1 combination was only due to the additive antioxidant effects of Liv.52 and TMZ or any other mechanism was involved, needs to be further evaluated.

scholarly journals Histological changes of the arterial bed of the hind limbs of the rats under condition of the acute ischemia-reperfusion and correction with the carbacetam

2020 ◽  
Vol 26 (2) ◽  
pp. 5-11
Author(s):  
T.O. Veresiuk ◽  
P.R. Selskyy ◽  
A.T. Televiak
Keyword(s):  
Histological Examination ◽  
Ischemia Reperfusion ◽  
Control Group ◽  
Acute Ischemia ◽  
Histological Changes ◽  
Arterial Blood ◽  
Vascular Bed ◽  
Hind Limbs ◽  
Group I ◽  
Ischemic Period

The ischemic-reperfusion lesion is a complex multifactorial damage of the primary ischemic tissues as a result of restoration of the arterial blood circulation in them, which is accompanied by local morpho-functional reorganization of the vascular bed of the hind limbs of the rats. One of the promising means in the treatment and prevention of the reperfusion disorders is a carbacetam, which smooths the phenomena of hypo- and hyperperfusion in the post-ischemic period. The aim of the study was to established the manifestations of the morpho-functional remodeling of the vascular bed of the hind limbs of the rats in ischemia-reperfusion and under conditions of correction with carbacetam. Histological examination of the vascular bed of the hind limbs of 30 rats under conditions of ischemia-reperfusion (group I) and 30 rats in the simulation of ischemia-reperfusion, which in the post-ischemic period administered carbacetam once a day (5 mg/kg) for 14 days (group II) were done. There were 6 intact animals in the control group. Simulation of ischemia was performed by applying SWAT rubber tourniquets on the hind limbs for 2 hours, and reperfusion – by removing of the tourniquet. The animals of the experimental groups were divided into 5 subgroups with reperfusion terms after 1, 2 hours and 1 day, as well as after 7 and 14 days. Histological examination was performed according to generally accepted methods. The vascular bed in the middle third of the thigh and the shin below the tourniquet was examined using a Bresser Trino Researcher 40x–1000x microscope. Analyzing of the obtained results, was established that after 1 hour of the reperfusion the histological changes became a systemic, and after 1 day it were more significant. It should be noted that the thickness of the vessel walls increased, and the elastic membranes were partially eligned, thinned and torned. The stepwise clarity of the arterials walls structure was lost. The edema acquired a total nature. The histological examination of the vessels after 7 days revealed that the swelling of the walls decreased and the condition of the elastic frame was improved. There was a proliferation of collagen fibers in the adventitia, which was a response to ischemic effects. It is noted that after 14 days in all wall membranes the proliferative activity of fiboblasts was remained. Under the conditions of the correction with the carbacetam after 2 hours, the structural positive dynamics became more pronounced and increased to a maximum level after 7 days of the experiment. The number of the modified and exfoliated endothelial cells decreased, and the condition of smooth myocytes increased. Histologically, the gradual restoration of endothelial coverage of the intima was established. As follows, ischemia and reperfusion cause vascular remodeling after 1 hour with a peak of the manifestations after 1 day of the reperfusion, which includes edematous syndrome, dystrophic-degenerative changes with an inflammatory response to the damage, and in the late reperfusion period increased a fibroblasts activity. Gradual return of morphological changes occurs after 14 days of the experiment. Under the conditions of correction, the acceleration of the remodeling with stabilization of the process and the most possible structural restoration after 7 days of the study was noted.

scholarly journals ​Therapeutic Efficacy of Ethanolic Extract of Curcuma longa and its Component, Curcumin against Experimental Cryptosporidiosis in Mice

2021 ◽  
Author(s):  
Alveena Ganai ◽  
Anish Yadav ◽  
Rajesh Katoch ◽  
Dibyendu Chakraborty ◽  
Pawan Kumar Verma ◽  
...  
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Body Weight Gain ◽  
Curcuma Longa ◽  
Ethanolic Extract ◽  
Control Group ◽  
Rrna Gene ◽  
Histopathological Changes ◽  
Group I

Background: Cryptosporidiosis caused by Cryptosporidium spp. is a zoonotic disease and is the most prevalent pathogens worldwide and leads to severe diarrhoeal diseases and affects the immunological status of the individual. Thus, the study was undertaken to examine the anti-cryptosporidial efficacy of curcumin in comparison with ethanolic extract of curcuma longa in immunocompromised mice infected with oocysts isolated from cattle calves of Jammu region and identified as Cryptosporidium parvum using nested PCR on small subunit ribosomal ribonucleic acid (SSU rRNA) gene. Methods: Two hundred female Swiss albino mice were equally divided into ten groups. Group I were kept as a healthy control, group II were immunocompromised, group III were immunocompromised and infected, group IV animals were immunocompromised, infected and treated orally with nitazoxanide. Animals in groups V to VII were immunocompromised, infected and treated with ethanolic extract of C. longa @ 4, 6 and 8 mg/kg/day/os respectively whereas groups VIII to X were immunocompromised, infected and treated with pure salt of curcumin @ 4, 6 and 8 mg/kg/day/os respectively for 5 successive days. Thus, mean oocysts per gram faeces, body weight gain and histopathological changes were measured in different groups. Result: Administration of curcumin as a therapeutic agent @ 8 mg/kg body weight for five days resulted in higher percent mean oocyst reduction of 74.03% and improved body weight gain in experimentally infected mice. Histopathological changes showed that treatment with oral curcumin (group X) in animals had minimal and improved intestinal lesions as compared to animals treated with C. longa (group VII). Altogether, curcumin showed promising anticryptosporidial effects under in vivo conditions and deserves further exploration.

scholarly journals Anti-Oxidant Effects of Silybum marianum Extracts on Diabetic Wistar Rats

2019 ◽  
Vol 5 (4) ◽  
pp. 145-150
Author(s):  
Uyovwiesevwa Ataihire Johnson ◽  
◽  
Eze Kingsley Nwangwa ◽  
John Chukwuka Igweh ◽  
◽  
...  
Keyword(s):  
Vitamin C ◽  
Antioxidant Enzyme ◽  
Enzyme Activities ◽  
Combined Treatment ◽  
Treated Group ◽  
Control Group ◽  
Antioxidant Enzyme Activities ◽  
Silybum Marianum ◽  
Group I ◽  
Anti Oxidant

Antioxidants are specialized macro-molecules that neutralize harmful substances; free radicals. These radicals supposedly harm tissues, destroy food items, and damage materials. In living organisms, antioxidants can take the form of enzymes, and may be regularly added to oils, metals, foodstuffs, as well as numerous other materials to mitigate the damaging effect of free radical. Current study was designed to investigate the biochemical changes in antioxidant enzyme activities, following administration of Silybum marianum (an ancient medicinal plant of the Carduus marianum family) on Alloxan-Induced, diabetic rats. One hundred and twenty-five (125) rats were procured, made to acclimatize for two weeks, and then randomly grouped into five (5) groups of (n=25). Group 1: Non-Diabetic (Control) rats, Group 2 diabetic untreated rats, while groups 3, 4 and 5 comprised of vitamin-C treated rats (diabetic), Silymarin (extract), and Vitamin C + Silymarin (extract) combined treatment respectively. After four weeks of treatment with test extract, animals were then sacrificed, and blood samples collected and assayed for biochemical [anti-oxidant] enzyme activity. Upon statistical analysis, one way Analysis of variance (ANOVA) showed Catalase (CAT), superoxide dismutase (SOD) and malonaldehyde (MDA) activities to have significantly decreased for extract + vitamin C treated group (Group V) when compared with control (Group I). It was also noted that the use of the combined antioxidants vitamin C and silymarin resulted in a significant reduction in ROS production with decreased SOD and CAT enzyme activities. It is therefore likely that, improvements in antioxidant enzyme activities are a function of extract and/or Vitamin C administration to animals. Thus, Silymarin has antioxidant and regenerative potentials to damaged tissues.

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