نتایج جستجو برای: 2 positive control 25 mg aflatoxin b1kg

تعداد نتایج: 4326636  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1388

abstract recent studies suggest that prelistening activities play an important role in the development of listening comprehension (e.g. long 1990;chiang and dunkel 1992; schmidt-rinehart 1994; jensen and hansen 1995; robinson et al., 1995; buck, 1995; foster and skehan,1996; teng 1996; robinson, 2001; chang and read 2006). in line with previous studies and to shed light on a new aspect of sche...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1389

current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

Journal: :پژوهش های تولید گیاهی 0
مریم هاشمی دانشگاه ولی عصر (عج) رفسنجان سید حسین میردهقان دانشگاه ولی عصر (عج)- دانشکده کشاورزی

in this research, the effects of pulsing application of preservative solutions containing salicylic acid (100 and 200 mg/l) and methyl jasmonate (25 and 50 mg/l) and long period application of preservative solutions containing thymol (75 and 125 mg/l), menthol (75 and 125 mg/l) and eugenol (50 and 100 mg/l) on the maintain quality and extend vase-life of carnation cut flowers two tests were eva...

2013
Jean Raphaël Kana Benoit Gbemenou Joselin Gnonlonfin Jagger Harvey James Wainaina Immaculate Wanjuki Robert A. Skilton Alexis Teguia

Mycotoxins affect poultry production by being present in the feed and directly causing a negative impact on bird performance. Carry-over rates of mycotoxins in animal products are, in general, small (except for aflatoxins in milk and eggs) therefore representing a small source of mycotoxins for humans. Mycotoxins present directly in human food represent a much higher risk. The contamination of ...

Journal: :Memorias do Instituto Oswaldo Cruz 2007
Oscar M Mosquera Yaned M Correa Diana C Buitrago Jaime Niño

The antioxidant activity of the crude n-hexane, dichloromethane, and methanol extracts from 25 species belonging to the Asteraceae, Euphorbiaceae, Rubiaceae, and Solanaceae families collected at natural reserves from the Eje Cafetero Ecorregión Colombia, were evaluated by using the spectrophotometric 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging method. The strongest antioxidant ...

2015
A. Jayasri N. Raghavendra Srikanth

The present study was undertaken to study the combined effect of Aflatoxin and Ochratoxin A on liver enzymes of broilers and the amelioration of the effects using adsorbents. Aflatoxin and ochratoxin A were mixed with the broiler diet to attain a concentration of 1 ppm and 2 ppm respectively. Activated charcoal at 0.4% and lyophilized yeast culture at 0.2% level were used as adsorbents for test...

Journal: :Annals of Animal Science 2022

Abstract This investigation was aimed to evaluate the effects of Silybum marianum seed, Thymus vulgaris , and Rosmarinus officinalis powders their combination in alleviating risks aflatoxin B1 (AFB1) young broiler chicks. One-day-old Ross 308 male chickens were allocated 6 experimental groups from d 1 21. The dietary included: Negative control (NC) received basal diet, Positive (PC) containing ...

2009
T. E. Cleveland D. Bhatnagar P. J. Cotty

Aflatoxins are toxic, carcinogenic chemicals produced by the fungal species, Aspergillus flavus and A. parasiticus. These fungi can infect crops before and after harvest and produce aflatoxins, thereby contaminating foods and feeds and threatening both human and animal health (Goldblatt, 1970; Jelinek et al., 1989). The first report of the toxicity of aflatoxins appeared nearly thirty years ago...

2013
Jiancheng Xu Wei Xu Hanxin Yao Weixia Sun Qi Zhou Lu Cai

The effect of magnesium (Mg) deficiency on the prevalence of diabetes and diabetic complications has received a great attention. The present study investigated the association of Mg level in the serum or urine of the patients, lived in the Northeast areas of China, with either pre-diabetes or diabetes with and without complications. From January 2010 to October 2011, patients with type 1 diabet...

2011
A. Nili-Ahmadabadi F. Tavakoli GR. Hasanzadeh HR. Rahimi O. Sabzevari

BACKGROUND AND THE PURPOSE OF THE STUDY Thymoquinone (TQ) is one of the active components of Nigella sativa. The plant has been used in herbal medicine for treatment of many diseases including liver complications. The present study aimed to investigate protective effects of TQ on Aflatoxin B(1) (AFB(1)) induced liver toxicity in mice. METHODS Animals were divided into six groups and treated i...

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