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Vitaminc C

Edgar Yaset Caicedo Ochoa, César Orlando Quintero Moreno, Yardany Rafael Méndez Fandiño, Sofía Catalina Sánchez Fonseca, Héctor Fabio Cortes Motta, Santiago Alejandro Guio Guerra
INTRODUCTION: Helicobacter pylori infections affect almost 50% of the world population, constituting a risk factor for benign and malignant gastrointestinal diseases. The increased resistance to antibiotic treatment against this infection represents a dilemma in the search of other therapeutic alternatives. OBJECTIVE: To determine the efficacy of the use of vitaminC and E supplements concomitantly to antibiotic treatment against H. pylori infections. METHODS: We performed a systematic review on the MedLine (PubMed), Embase and Cochrane Central Register of Clinical Trials (CENTRAL) databases, searching for studies evaluating the efficacy of vitaminC and/or E supplements in the antibiotic treatment of H...
November 1, 2017: Medicina Clínica
A Naeeji, H Mozdarani, A Shabestani Monfared, F Faeghi, A A Ahmadi, M Gholami, R Behzadi, M R Momtaz
BACKGROUND: In many studies, chemicals and natural materials were tested to reduce the harmful effects of radiation. It is known that Famotidine and vitamin C reduce DNA damage. OBJECTIVE: The aim of this study was to evaluate the radioprotective effect of vitamin C, Cimetidine and Famotidine on gamma-radiation-induced damage on mouse bone marrow. METHODS: Six-to-seven week male NMRI mice (28 g ±3) were randomly divided into fourteen groups: control, 2Gy irradiation, six group drugs without irradition (Famotidine, Cimetidine, vitaminC, Fam-Cim, Fam-Vit, Cim-Vit), six groups received drugs and 2Gy radiation with a 60Co |γ|-ray source at room temperature 22 ± 2 °C...
June 2017: Journal of Biomedical Physics & Engineering
Shadpour Mallakpour, Shima Rashidimoghadam
In the present study, the surface of multiwalled carbon nanotubes (MWCNT)s is modified by ascorbic acid (AA) (vitaminC) for their dispersion improvement in the starch matrix. Then, the starch-based nanocomposites (NCs) containing 3, 6 and 9wt% of AS modified MWCNTs (AA-MWCNT)s were fabricated via ultrasonication method. Characterization of the prepared NCs was accomplished by different techniques. The optimum MWCNT content for the generation of fine electrical conductivity was found to be about 3wt%, indicating better dispersion of AA-MWCNT with low amount of AA-MWCNT...
August 1, 2017: Carbohydrate Polymers
Jean A Hall, Jeffrey A Brockman, Dennis E Jewell
Increased concentrations of dietary fish oil and antioxidants have been shown previously to change circulating concentrations of individual fatty acids (FAs) and vitamin E. The purpose of this study was to further investigate the effects of vitamins E and C, in combination with dietary fish oil, on selected blood and urinary biomarkers. Fifty adult Beagle dogs (mean age 5.3 years, range 1.4-14.2 years) were randomized into five dietary treatment groups for 90 days. All foods were complete and balanced and met the nutrient profiles of AAFCO for adult dogs...
December 15, 2011: Veterinary Immunology and Immunopathology
Ali Ziya Karakilcik, Mustafa Zerin, Oktay Arslan, Yasar Nazligul, Huseyin Vural
Hepatotoxic substances such as aflatoxin B1 (AFB1) produce free radical reactions during biotransformation damage to liver cells. Vitamins C and E are important natural antioxidants suppressing free radicals. This study investigated the effects of vitamins C and E on liver enzymes and other biochemical parameters in rabbits experimentally exposed to AFB1. The first group was control and fed the diet with dimethyl sulfoxide; the second group received 0.1 mg AFB1/kg diet; the third group received vitamin C (100 mg L-ascorbic acid/kg diet); the fourth group received vitamin E (100 mg alpha-tocopherol/kg diet); and the fifth group received vitamin C+vitamin E (100 mg L-ascorbic acid/kg diet+100 mg alpha-tocopherol/kg diet)...
August 2004: Veterinary and Human Toxicology
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