نتایج جستجو برای: 2 positive control 25 mg aflatoxin b1kg
تعداد نتایج: 4326636 فیلتر نتایج به سال:
Both aflatoxin and the human immunodeficiency virus (HIV) cause immune suppression and millions of HIV-infected people in developing countries are chronically exposed to aflatoxin in their diets. We investigated the possible interaction of aflatoxin and HIV on immune suppression by comparing immune parameters in 116 HIV positive and 80 aged-matched HIV negative Ghanaians with high (> or =0.91 p...
Oltipraz [5-(2-pyrazinyl)-4-methyl-1,2-dithiole-3-thione] protects against aflatoxin B1-induced hepatocarcinogenesis in rats when fed before and during carcinogen exposure; however, such an exposure-chemoprotection intervention paradigm is not directly relevant to most human populations. To model and assess the possible efficacy of short term interventions targeted at individuals at risk for su...
The effects of increasing aflatoxin B1 concentration (0, 0.75, 1.5 mg/kg) on broilers with or without necrotic enteritis or virginiamycin were determined. In the 23-d study, 22 male Cobb 500 chicks per pen were allotted to 12 treatments (3 × 2 × 2 factorial arrangement) with 8 replications. Intestines of 5 birds per pen were examined for lesions on d 21. Birds were allowed to consume feed and w...
Hepatocellular carcinoma is one of the leading causes of cancer death worldwide. The etiology of liver cancer is multifactorial, and infection with hepatitis B virus (HBV), whose pathogenesis is exacerbated by the acquisition of mutations that accelerate carcinogenesis, or hepatitis C virus (HCV) and dietary exposure to aflatoxin B1 all contribute to elevating one’s risk for this disease. In th...
Aflatoxin B! , a potent hepatocarcinogen, causes rapid but reversible in vivo inhibition of DNA-dependent RNA polymerase in isolated nuclei. This study was designed to determine whether the consequent decrease of RNA formation occurs as a result of direct alteration of RNA polymerase. Aflatoxin B! , l mg/kg body weight, was administered i.p. to male rats; nuclei were isolated from liver homogen...
Objective: Aflatoxin is known as one of the most important mycotoxins that threatens of human life. The toxin is produced by Aspergillus species which are common cause of contamination of agricultural products. For this reason, the use of organic compounds has always been considered in order to inhibit the growth of fungi and production of toxin. The aim of this study was to investigate the eff...
آموزش واژه با بهره گیری از یادگیری تلفیقی و نرم افزارهای چند رسانه ای در کلاس های آموزش زبان انگلیسی
the purpose of this study was to investigate the impact of blended learning and multimedia softwares on iranian efl students vocabulary learning. in addition, the present study tried to examine the extent to which multimedia softwares can be applied into efl classes in iran. it also attempted to find out students attitudes toward using these softwares. to this end, 87 iranian efl learners at el...
The present investigation is an attempt to evaluate the ameliorative effect of curcumin on aflatoxin-induced toxicity in liver and kidney of mice. Aflatoxin was obtained by growing Aspergillus parasiticus in SMKY liquid medium. 70 male mice were divided into 7 groups (37-40 g body weight) including untreated control, vehicle control (0.2 mL olive oil/animal/day), curcumin control (50 mg/kg body...
Hepatocellular carcinoma is one of the leading causes of cancer death worldwide. The etiology of liver cancer is multifactorial, and infection with hepatitis B virus (HBV), whose pathogenesis is exacerbated by the acquisition of mutations that accelerate carcinogenesis, or hepatitis C virus (HCV) and dietary exposure to aflatoxin B(1) all contribute to elevating one's risk for this disease. In ...
The aim of this study was to evaluate the efficacy of a yeast glucomannan (YG) and sodium bentonite (SB) in reducing the toxicity of aflatoxin for broilers fed a diet naturally contaminated with aflatoxin. In total, 300 7-day-old Ross 308 broilers were randomly assigned to 10 dietary treatments, consisting of a diet with no aflatoxin (positive control), a diet naturally contaminated with 250 pp...
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