scholarly journals The “Mix-Factor” is involved in the regulation of the organism's redox systems in the late stages of ontogenesis and affects the lifespan of animals

2021 ◽  
pp. 24-36
Author(s):  
Anatoly Bozhkov ◽  
Ievgeniy Ivanov ◽  
Elena Klimova ◽  
Natalia Kurguzova ◽  
Аndrii Bozhkov ◽  
...  
Keyword(s):  
Body Weight ◽  
Glutathione Peroxidase ◽  
Glutathione Reductase ◽  
End Of Life ◽  
Survival Curve ◽  
Male Rats ◽  
Control Group ◽  
Lipid Hydroperoxides ◽  
Key Words Aging ◽  
Late Stages

Abstract: the content of lipid hydroperoxides in the serum and liver mitochondria in animals in the late stages of ontogenesis (12 and 33 months old, Wistar male rats) was investigated. The possible effect of the food additive (“mix factor”) on these parameters in 33 months old animals, if they received this supplement from 22 months age daily throughout life in a dose of 0.05 - 0.06 ml / 100 g of body weight was determined. Moreover, the lifespan of animals was determined if they started taking a mix – factor from 22 months and from 30.5 months age. The influence of the mix – factor on the ability of old animals to perform work was determined in a separate series of experiments. It was shown that from 22 to 33 months the content of lipid hydroperoxides in mitochondria and serum increased by 23% and 41%, respectively. The activity of glutathione peroxidase in the serum, mitochondria and erythrocytes decreased, and the activity of glutathione reductase decreased only in the post-mitochondrial fraction of the liver. At the same time, malate– isocitrate dehydrogenase and 6-phosphate dehydrogenase remained unchanged in 33 months old animals compared with 12 months old animals. If animals from 22 months age received a mix factor with drinking water in a dose of 0.05-0.06 mg / 100 g of body weight every day until the end of life, the content of lipid hydroperoxides and the activity of glutathione peroxidase and glutathione reductase of 33 months old animals did not differ from 12 months old animals. The survival curve in animals receiving the mix factor was shifted to the right from 25 to 28 months of age compared with the survival curve of control animals. If animals began to receive the mix – factor at a very old age (from 30.5 months age) until the end of life, their lifespan was longer than that of the control animals. The last ones lived to 41 months, while the animals of the control group lived to 36 months. At the same time, the mix – factor increased the ability of old animals to do work in the test “running in treadmill”. Key words: aging, redox-system, geroprotectors, lifespan

scholarly journals Effect of zinc nanoaquacitrate on the biochemical and productive parameters of the organism of rabbits

2020 ◽  
Vol 11 (2) ◽  
pp. 243-248
Author(s):  
О. V. Boiko ◽  
О. F. Honchar ◽  
Y. V. Lesyk ◽  
І. І. Kovalchuk ◽  
B. V. Gutyj
Keyword(s):  
Body Weight ◽  
Glutathione Reductase ◽  
Biochemical Parameters ◽  
Practical Importance ◽  
Growth Parameter ◽  
Blood Parameters ◽  
Physiological Effect ◽  
Control Group ◽  
Lipid Hydroperoxides ◽  
Positive Effect

Zinc is an essential microelement for the organism of animals, and its deficiency reduces the synthesis and degradation of proteins, lipids, carbohydrates and nucleic acids, and also decreases the metabolism of vital microelements. The objective of the study was determining the effect of various amounts of zinc nanoaquacitrate on the biochemical parameters of blood and productivity of the organism of rabbits after weaning on 50th to 86th days of life. Compared with the control group, intake of zinc nanoaquacitrate by the animals of the experimental groups exhibited dose-dependent effect on separate biochemical parameters which characterize the processes of lipid and mineral metabolisms, which manifested in the increase in their content in the blood on the 12th, 24th and 36th days of the experiment. Watering rabbits with zinc citrate in the dose of Zn 0.25 mg/kg after weaning determined its physiological effect on the biochemical parameters of their organism, expressed in the most statistically reliable changes compared with other tested amounts, particularly a higher level of the total protein, increase in the activities of glutathione reductase, alanine aminotransferase, catalase and alkaline phosphatase and decrease in the levels of cholesterol, lipid hydroperoxides, compared with the control, which may indicate the positive effect of the applied additives on certain biochemical parameters of the rabbits’ organism. Additional use of zinc citrate in the dose of 0.50 mg/kg of body weight was manifested in their blood by significant increase in the activities of catalase and glutathione reductase, lower level of lipid hydroperoxides and increase in the organism’s growth parameter by 3.1% in the final period of the study. Watering zinc citrate in the amount of 0.75 mg/kg of body weight provoked probable decrease in the level of cholesterol and triacylglycerols and increases in catalase and glutathione reductase, increase in activity of alanine aminotrasferase and decrease in lipid hydroperoxides, which determined the stimulating effect on the growth of the organism with 8.4% higher total gain of body weight after 36 days of the experiment. From a general perspective, the research indicates that intake of lowest amount of zinc citrate was characterized by the greatest effect on the biochemical blood parameters, whereas the use of greater amounts of organic compound of zinc showed positive effect on the processes of growth and development of the organism of rabbits after weaning. Of practical importance is the study of the effect of watering zinc nanoaquacitrate in the physiologically substantiated amounts on biochemical blood parameters and growth and survivability of the offspring and organism of the mother rabbit in the period of lactation.

scholarly journals Effect of diet-induced hypercholesterolemia on metabolic processes in the heart, liver, and pancreas in rats

2021 ◽  
Vol 102 (5) ◽  
pp. 663-668
Author(s):  
Z I Mikashinovich ◽  
A V Romashenko ◽  
I A Semenets
Keyword(s):  
Glutathione Peroxidase ◽  
Glutathione Reductase ◽  
Pyruvic Acid ◽  
Heart Muscle ◽  
Reduced Glutathione ◽  
Antioxidant Defense System ◽  
Oxidation Products ◽  
Male Rats ◽  
Control Group ◽  
Liver And Pancreas

Aim. To analyze the biochemical changes in the cells of the heart muscle, liver and pancreas, as well as to establish their pathogenetic significance in diet-induced experimental hypercholesterolemia. Methods. The study was conducted on 65 outbred male rats. During the experiment, the animals were divided into groups: the first (control, n=30) animals that were kept on a general vivarium diet; the second (experimental, n=35) animals with diet-induced hypercholesterolemia for three months by keeping on a special diet. At the end of the experiment, the concentrations of pyruvic acid, lactate, reduced glutathione, the activity of glutathione reductase, and glutathione peroxidase were determined in the tissues by using biochemical methods. The Student's t-test was used for the experimental data of the samples after normality testing. Results. The analysis of energy metabolism indicators in animals with hypercholesterolemia relative to the control group revealed a lower level of pyruvic acid in the heart muscle (0.290.03 mmol/mg protein; p 0.05) and liver (0.250.02 mmol/mg protein; p 0.001). A significantly higher lactate level was recorded in all tissues, most pronounced in the liver (6.730.6 mmol/mg protein; p 0.001). The results obtained indicate the predominance of the anaerobic glycolysis in the tissues and the accumulation of incomplete-oxidation products. The study of the key glutathione-linked enzymes in animals with hypercholesterolemia relative to the control showed a lower activity of glutathione reductase in the pancreas 0.520.05 mmol/mg protein/min (p 0.001), as well as its higher activity in the liver 0.2970.03 mmol/mg protein/min (p 0.001) and heart 13.581.4 mmol/mg protein/min (p 0.001). The activity of glutathione peroxidase and reduced glutathione in all organs remained practically unchanged, or the differences were insignificant. This trend indicates a violation of the antioxidant defense system and oxidative stress. Conclusion. Changes in the metabolic link of adaptive-compensatory responses in the cells of the heart muscle, liver, and, most pronounced in the pancreas, indicate the role of the pancreas as a target organ in the pathogenesis of diet-induced hypercholesterolemia.

Effect of Opuntia dejecta (Salm-Dyck) flowers in liver of fructose-fed rats: Biochemicals, enzymatic and histological studies

2021 ◽  
pp. 096032712110134
Author(s):  
O Zouaoui ◽  
K Adouni ◽  
A Jelled ◽  
A Thouri ◽  
A Ben Chrifa ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Antioxidant Activity ◽  
Body Weight ◽  
Diabetes Type 2 ◽  
Male Rats ◽  
Control Group ◽  
Standard Drug ◽  
High Fructose ◽  
Group A ◽  
Histological Architecture

Phytochemical composition and antioxidant activity of flowers decoction at post-flowering stage (F3D) of Opuntia dejecta were determined. The obtained findings demonstrate that F3D has a marked antioxidant activity in all tested assays. Furthermore, the present study was designed to test the protective activity of F3D against induced Diabetes type 2 (DT2) in male rats. Those metabolic syndromes were induced by a high-fructose diet (HFD) (10% fructose solution) for a period of 20 weeks. F3D was administered orally (100 and 300 mg/kg body weight) daily for the last 4 weeks. Metformin (150 mg/kg body weight) was used as a standard drug and administrated orally for the last 4 weeks. The results showed a significant increase in blood glucose, triglycerides and hepatic markers (ALAT, ASAT and ALK-P) in HFD group. A significant increase in hepatic TBARS and a significant decrease in SOD, CAT and GPX were observed in fructose fed rats compared to control group. Administration of F3D showed a protective effect in biochemical and oxidative stress parameters measured in this study. Also, oral administration of F3D restored the histological architecture of rat liver in comparison with rats fed HFD. In conclusion, F3D attenuated hepatic oxidative stress in fructose-fed rats.

Dietary fat and adiposity: a dose-response relationship in adult male rats fed isocalorically

1995 ◽  
Vol 268 (4) ◽  
pp. E546-E550 ◽  
Author(s):  
C. N. Boozer ◽  
G. Schoenbach ◽  
R. L. Atkinson
Keyword(s):  
Body Weight ◽  
Body Fat ◽  
Adult Male ◽  
Dietary Fat ◽  
Male Rats ◽  
Control Group ◽  
Low Fat Diet ◽  
Mesenteric Fat ◽  
Total Body Fat ◽  
Total Body

This study examined the effects of increasing levels of dietary fat fed isocalorically on body weight, body composition, and adipose distribution. Adult male rats were weight matched into four groups. One group that was fed a low-fat diet (12%) served as reference controls. The other three groups were fed diets of 24, 36, or 48% fat in amounts to equal the energy intake of the control group. After 6 wk, body weights of the four groups were not significantly different. Intrascapular brown fat did not differ between groups. Total body fat and adipose depot weights, however, increased in proportion to the level of fat in the diet. Total body fat and retroperitoneal and mesenteric depot weights of the 48% fat group were greater than controls (P < 0.05). Mesenteric fat in this group was also significantly increased over all other groups (P < 0.05). These results show that high-fat diets fed to adult animals cause increased body fat in the absence of significant changes in body weight and that mesenteric fat is increased disproportionately.

scholarly journals Hepatoprotective Effect of Melatonin in Toxic Liver Injury in Rats

Medicina ◽  
2019 ◽  
Vol 55 (6) ◽  
pp. 304 ◽  
Author(s):  
Oleshchuk ◽  
Ivankiv ◽  
Falfushynska ◽  
Mudra ◽  
Lisnychuk
Keyword(s):  
Liver Injury ◽  
Hepatoprotective Effect ◽  
Male Rats ◽  
Saline Control ◽  
Control Group ◽  
Radical Scavenger ◽  
Thiobarbituric Acid Reactive Substance ◽  
Lipid Hydroperoxides ◽  
Significant Difference ◽  
Toxic Liver Injury

Background and objectives: toxic liver injury results in nitrooxidative stress. Melatonin is a potent free radical scavenger, an inducible nitric oxide synthase (iNOS) inhibitor and an activator of antioxidant enzymes. The aim of this study was to investigate the hepatoprotective effect of exogenous melatonin on animals with acute toxic hepatitis. Material and methods: 36 healthy Sprague-Dawley male rats were split into three equal groups and given carbon tetrachloride (CCl4), 2 g/kg (CCl4 group) or the same dose of CCl4 and melatonin, 10 mg/kg (CCl4/melatonin group) or saline (control group). The effect of melatonin on prooxidant and antioxidant system indexes, NO and NOS levels in serum and liver, data of mitochondrial chain functions and cytolysis in liver were evaluated in all three groups. Results: melatonin significantly decreased activities of AST, ALT, ceruloplasmine and thiobarbituric acid reactive substance (TBARS) in serum. Catalase activity was lowered in serum but not in the liver. Hepatic TBARS, lipid hydroperoxides and glutathione concentrations were decreased, while superoxide dismutase, mitochondrial cytochrome oxidase and succinate dehydrogenase activities increased. Melatonin inhibited synthesis of stable NO metabolites in serum: NO2-by 37.9%; NO3-by 29.2%. There was no significant difference in content NO2-in the liver, but concentration of NO3-increased by 32.6%. Melatonin significantly reduced iNOS concentrations both in serum (59.7%) and liver (57.8%) but did not affect endothelial isoform enzyme activities neither in serum, nor in liver. The histopathological liver lesions observed in the CCl4/melatonin group were less severe than those seen in the CCl4 group. Conclusions: we demonstrated an ameliorating effect of melatonin on prooxidants and antioxidants, NO-NOS systems balance, mitochondrial function and histopathological lesions in the liver in rats with CCl4-induced hepatitis.

Glutathione and glutathione-related enzymes in rats exposed to dimethoate and/or pyrantel

2014 ◽  
Vol 17 (1) ◽  
pp. 105-112 ◽  
Author(s):  
A. Spodniewska ◽  
D. Barski ◽  
H. Ziółkowski
Keyword(s):  
Glutathione Peroxidase ◽  
Glutathione Reductase ◽  
Reduced Glutathione ◽  
Oxidative Activity ◽  
Antioxidative System ◽  
Control Group ◽  
Group Iii ◽  
Group I ◽  
Combined Administration ◽  
Applied Dose

AbstractThe study was undertaken to examine the effect of single and combined administration of dimethoate (an OP insecticide) and pyrantel embonate (an anthelmintic agent) on the concentration of reduced glutathione (GSH) and the activity of glutathione peroxidase (GPx) and glutathione reductase (GR) in rats. Dimethoate (Group I) was administered to rats at a dose of 1/10 LD50for 5 consecutive days and pyrantel embonate (Group II) at a dose of 1/5 LD50for 3 consecutive days. The animals of group III were given both of the mentioned above compounds in the same manner as group I and II, but pyrantel embonate was applied on day 3, 4, and 5 from the beginning of dimethoate intoxication. Material from 6 rats randomly selected from each group was obtained after 3, 6 and 12 hours and 2, 7 and 14 days following the last applied dose of the compounds under study. It was found that application of pyrantel embonate caused only slight changes in the analysed parameters i.e. GSH, GPx and GR. Dimethoate administration caused disturbances in the antioxidative system manifested as a decrease in GSH concentration in the liver (max. - 37.7% after 6 hours) and an increase of GPx and GR activities in erythrocytes (max. - 21.7% and 29.6% after 3 hours, respectively), compared to the control group. The profile of changes after combined intoxication was similar, but their intensity was higher compared to the group of animals exposed to dimethoate only. Based on current studies, it was concluded that both dimethoate and pyrantel embonate at the applied doses showed a pro-oxidative activity.

scholarly journals Effect of Salvia officinalis and S. sclarea on rats with a high-fat hypercaloric diet

2021 ◽  
Vol 12 (3) ◽  
pp. 554-563
Author(s):  
M. A. Lieshchova ◽  
A. A. Bohomaz ◽  
V. V. Brygadyrenko
Keyword(s):  
Body Weight ◽  
Relative Weight ◽  
Density Lipoprotein ◽  
The Body ◽  
Male Rats ◽  
Daily Weight Gain ◽  
Control Group ◽  
Excess Body Weight ◽  
High Fat ◽  
Hypercaloric Diet

Phytotherapy for the correction of excess body weight is widely used. However, a comprehensive study of herbal preparations on the organism of model animals has been carried out only for a few plant species. Supplementing the diet of rats with closely related sage species (Salvia officinalis L. and S. sclarea L.) against the background of high-fat hypercaloric diet triggered multidirectional changes in their metabolism. The addition of crushed dry shoots of S. officinalis to the diet of animals led to a sharp increase in their body weight (up to 130.8% of the initial one in 30 days of the experiment). The body weight of the rats treated with S. sclarea for 30 days increased only up to 103.8% of their initial weight and was lower than in the control group. Addition of S. officinalis caused an increase in daily weight gain up to 253.1% of the control group, and S. sclarea – its decrease to 27.8% of the daily weight gain in the control group. In the S. officinalis group, the relative weight of the brain, spleen, and thymus decreased, while in the S. sclarea group, the relative weight of the thymus decreased and that of the colon increased. Under the influence of S. officinalis, the concentration of urea, total bilirubin, and triglycerides in the blood plasma of male rats decreased and the concentration of total protein and the activity of alkaline phosphatase increased. While consuming S. sclarea shoots, there was an increase of alkaline phosphatase activity in the rats’ blood, but atherogenic index (23.1% of the level of the control group) sharply dropped due to an increase in the concentration of high-density lipoprotein cholesterol (286.9% of the control) and a decrease in the concentration of low-density lipoprotein cholesterol (67.7% of control). In rats feeding on S. sclarea shoots, we observed a decrease in the concentration of triglycerides in the blood (39.9% of the control), a decrease in the activity of gamma-glutamyl transferase (62.8%), and an increase in the Ca/P ratio (132.5% of the control group). No significant changes were observed in CBC and WBC differential of male rats when eating S. officinalis and S. sclarea shoots. According to the results of the open field test, the physical and orientational activity of male rats under the influence of S. officinalis significantly decreased by the end of the experiment. Emotional status of rats, on the contrary, decreased when they ate dry crushed shoots of S. sclarea in the composition of the food. Thus, excess body weight of rats in the conditions of hypercaloric diet led to more pronounced deviations from the norm while consuming dry crushed shoots of S. officinalis. The addition of S. sclarea dry crushed shoots to the animals’ diet normalized the body weight in comparison with the control group, reduced the negative manifestations of obesity at the biochemical and organismal levels. In this regard, the substances that contains S. sclarea should be carefully studied for anti-atherosclerotic activity, and tea supplemented with S. sclarea shoots can be recommended as a corrective supplement in the diet of overweight people.

scholarly journals Combined effect of glyphosphate, saccharin and sodium benzoate on rats

2018 ◽  
Vol 9 (4) ◽  
pp. 591-597 ◽  
Author(s):  
M. A. Lieshchova ◽  
N. M. Tishkina ◽  
A. A. Bohomaz ◽  
P. M. Gavrilin ◽  
V. V. Brygadyrenko
Keyword(s):  
Body Weight ◽  
Sodium Benzoate ◽  
Food Additives ◽  
Combined Effect ◽  
Male Rats ◽  
Laboratory Animals ◽  
Relative Mass ◽  
Control Group ◽  
Expiry Date ◽  
The Impact

Herbicides and food additives are included in many food products for humans. Non-used products or products beyond their expiry date are deposited in places of utilizatioin of solid municipal wastes, where they can take effects on the organisms of mouse-like rodents. Among the herbicides, glyphosphate takes first place in the world for volume of production, and is the most intensely used in agricultural farming. The discussion about negative impact on the organisms of mammals, especially against the background of using various substances and environmental factors, continues. In this study, we determined the combined effect of glyphosphate and food additives on the organism of laboratory animals, which manifested in changes in body weight, condition and indices of mass of the internal organs and blood parameters. Four groups of laboratory male rats were formed, which over 42 days received: unlimited access to clean water; 1% aqueous solution of glyphosate; 1% solution of glyphosphate and 1% solution sodium benzoate; 1% solution of glyphosphate with 1% solution of saccharin. Glyphosphate and glyphosphate with sodium benzoate and saccharin significantly reduced the daily increases in body weight of animals compared to the control group. The studied substances have notable suppressive effect on the immune system and haematopoiesis in general, which is manifested in reduce of relative mass of the thymus and spleen against the background of increase in the amount of lymphocytes in the peripheral blood. The inhibition of haematopoiesis is indicated by decrease in the amount of erythrocytes, neurophils and hemoglobin of blood of animals from the experimental groups. The impact on the digestive system of glyphosphate and food additives is indicated by occurance of the effect of “irritation” of mucous membranes, and, as a result, disorders in absorption followed by the disorder in metabolic processes. A dysbalance occurs in enzymic systems of the organism, which is manifested in distrophic processes, especially in the liver parenchyma, indicated by the activity of blood enzymes (ALT, AST, alkaline phosphatase), total number and ratio of proteins of blood plasma. We determined the impact of glyphosphate and its mixes with benzoate and saccharin on the pancreas, which manifests in severe pancreatitis with steep increase in the level of glucose of blood. The results of the study allow us to state that mixture of glyphosphate and food additives can cause toxic effect in animals and humans, which often contact with herbicides.

scholarly journals The Efficacy of Seluang Fish Oil (Rasbora agrotynea) Related Body Weight, Lipid Profile, Adiponectin and Leptin in Wistar Rats-Induced High Fat Diet

2018 ◽  
Vol 2 (2) ◽  
pp. 25-30
Author(s):  
Fatmawati Karim ◽  
Rachmat Hidayat ◽  
Erizka Rivani ◽  
Husnul Khotimah ◽  
Ester G Pansserga
Keyword(s):  
Body Weight ◽  
Fish Oil ◽  
Lipid Profile ◽  
High Fat Diet ◽  
Wistar Rats ◽  
Adiponectin Level ◽  
Male Rats ◽  
Control Group ◽  
High Fat ◽  
Reduce Body Weight

Background Rasbora agrotynea (local name : Seluang ) is a fish native to Sumatera, Malaya and Borneo. This fish has a potential as a local wisdom for supplementation of omega 3 and omega 6. In Sumatera, Seluang fish was used as traditional food.   Aim of Study Aim of this study to explore the efficacy of seluang fish oil in body weight, lipid profile, adiponectin and leptin level in Wistar Rats-Induced High Fat Diet   Methods This study was an experimental study , pre-post test with control group design. The sample in this study was  30 male rats, 8 weeks old, weight 150-200 gram. Rats were given high fat diet and seluang fish oil  at dose of 0,1 , 0,2  and 0,4 mL/200 gr BW/day for 2 weeks. Seluang fish oil was extracted by distilation methods. The results of this study were assayed by SPSS 18.   Results Seluang fish oil 0,4 mL/200 gr BW  was more potent to reduce body weight gain, triglyseride level,  leptin and increase adiponectin level than seluang fish oil 0,1 mL/200 gr BW, 0,2 mL/200 gr BW, negative control and positive control.   Conclusion Seluang fish oil had a potention to reduce body weight, triglyceride, leptin and increase adiponectin level.   Keywords: Seluang fish Oil – body weight- triglyserida – leptin - adiponectin  

scholarly journals PENGARUH PEMBERIAN INFUSA DAUN LABU SIAM (Sechium edule) TERHADAP KADAR HEMOGLOBIN DAN NILAI HEMATOKRIT TIKUS PUTIH (Rattus norvegicus) ANEMIA (The Effect of Chayote (Sechium edule) Leaves Infusion on Haemoglobin and Hematocrit Level of Anemic White Rat (Rattus norvegicus))

2015 ◽  
Vol 9 (2) ◽  
Author(s):  
Zuhrawati Zuhrawati ◽  
Nuzul Asmilia ◽  
Asri Rizky ◽  
Zuraidawati Zuraidawati ◽  
Nazaruddin Nazaruddin ◽  
...  
Keyword(s):  
Body Weight ◽  
Rattus Norvegicus ◽  
Male Rats ◽  
Control Group ◽  
Total Blood Volume ◽  
Hematocrit Level ◽  
Total Blood ◽  
Treatment Groups ◽  
Sechium Edule ◽  
Caudal Vein

The aim of this research was to evaluate the effect of chayote (Sechium edule) leaves infusion on hemoglobin and hematocrit level of anemic rat (Rattus norvegicus). Twelve anemic hemorrhagic male rats strain Wistar with body weight ranging from 175-200 g were used as sample in this research. Rats were divided randomly into 3 treatment groups, each group consist of 4 rats. The control group (P0) was not given chayote leaves infusion. Group P1 and P2 were given chayote leaves infusion with the concentration of 25% and 50% respectively, with dose of 1 ml per 200 gram body weight. Rats were fed with standard commercial food (Turbo feed) and aquadest ad libitum. The rats were treated anemic by taking 20% blood from total blood volume prior to administration of chayote laeves infusion. Chayote leaves infusion was given for 10 days consecutively. Blood sampling was carried out on day 0, 5, and 10 via caudal vein. Data were analyzed using anlysis of variance (ANOVA) Split-Plot pattern. The result showed that chayote leaves infusion increase level of hemoglobin and hematocrit in experimental rats. In conclusion 25% concentration of chayote leaves infusion is more effective than 50% concentration.Key words: anemia, chayote leaves, hemoglobin, hematocrit

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