Vitamin C, an antioxidant substance soluble in water, can react with amino groups of proteins to form schiff bases. As diabetes leads to glycation of various protein which has effect on structure and biochemical activity of them, the inhibition of this process seems very vital. For several years researches in this field have done their best to recognize the antidiabetics compounds. The aim of t...

this experiment was conducted to evaluate the effects of vitamin c on laying hens performance, egg characteristics and some blood parameters under normal rearing condition. one hundred and ninety two 24 - weeks - old laying hens diet were used in a completely randomized design with 4 treatments (0, 250, 500 and 750 mg vitamin c/kg diet) and 4 replicates for 105 days. although feed consumption, ...

Nitrite intoxication occurs frequently in ruminants and equines. The most common treatment of this disorder is administration of 1% methylene blue, although the use of some antioxidant agents e.g. vitamins and complementary treatment may also be useful. The aim of this study was to evaluate the in vitro antioxidative effects of some vitamins on methemoglobinemia induced by sodium nitrite. For t...

in this study the chemical properties of b6c4si and c16 clusters connected vitamin c have been investigated using density functional theory (dft). nmr parameters and homo- lumo gap energy are calculated by using density functional method (b3lyp) with 6-311g* basis set. calculations show that homo- lumo gap energy of vitamin c decreases after connecting to b6c4si or c16 cluster decreasing of hom...

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...

introduction: the pathogenesis of diabetic disorders are unknown and may be multifactorial. one of the most important mechanisms of complications is glycosilation of proteins such as haemoglobin. structurally, vitamin c is similar to glucose and can act as glucose in many chemical reactions, therefore it may prevent non- enzymatic glycosilation of proteins such as haemoglobin and lipoproteins. ...

background: oxidative modification of low-density lipoprotein (ldl) appears to be an early step in the pathogenesis of atherosclerosis. meanwhile, myeloperoxidase (mpo)-catalyzed reaction is one of the potent pathway for ldl oxidation in vivo. the aim of this study was to evaluate in vitro antioxidant effects of vitamins c and e on ldl oxidation mediated by mpo. methods: mpo was isolated from f...

background: oxidative stress (os) in the follicular environment may affect on oocyte competence and antioxidant vitamins may modify its effects. objective: this study was conducted to examine the effect of dietary intake of vitamin a, c and e on os in follicular environment and assisted reproduction technology (art) outcomes. materials and methods: in this obsevationalprospective study, the int...

diabetes is a major health problem worldwide. type ii diabetic patients are reported to have higher ferritin and lower vitamin c concentrations. considering the role of ascorbic acid in carnitine biosynthesis and the limited information on free carnitine correlations with ferritin and vitamin c levels in diabetic patients without microvascular complications, this case-control study was conducte...

background: vitamin c levels are low in pregnancy. the purpose of this study was to determine serum vitamins c levels among pregnant women attending antenatal care at a general hospital in dawakin kudu, kano, and this can help further research to determine the place of vitamin c supplementation in pregnancy. methods: this was a prospective study of 400 pregnant women who presented for antenatal...