نتایج جستجو برای: ph and tvb
تعداد نتایج: 16856628 فیلتر نتایج به سال:
This study was aimed to determine the changes of the local anchovy meal which is known as hamsi kaygana in Turkey during cold storage at +4°C ± 1°C. Physicochemical (pH, TVB-N, TMA-N, and TBA) shelf life analyses were carried out for hamsi kaygana samples. It was confirmed that the pH values obtained from research groups were within the limit values of the literature. No statistically significa...
The avian sarcoma and leukosis virus (ASLV) envelope glycoprotein (Env) is activated to trigger fusion by a two-step mechanism involving receptor-priming and low pH fusion activation. In order to identify regions of ASLV Env that can regulate this process, a genetic selection method was used to identify subgroup B (ASLV-B) virus-infected cells resistant to low pH-triggered fusion when incubated...
This study was performed to improve the techniques used for tenderizing red meat as elderly food. Beef meat was immersed in liposome encapsulated enzyme solution and the effect of protease encapsulation on the beef properties was analyzed. The protease encapsulation properties were analyzed according to the size distribution and enzymatic activity. After enzyme reaction on the beef, the chemica...
Effects of 1% or 0.5% chitosan (CHI), 10% or 5% aqueous extract of ginger, onion and garlic (GOG) and their composite solutions (1% CHI+10% GOG, 0.5% CHI+5% GOG) on quality and shelf life of stewed-pork were evaluated. Microbiological (total bacterial count), chemical (pH, total volatile basic nitrogen (TVB-N), peroxide value (POV), 2-thiobarbituric acid (TBA)) and sensory characteristics were ...
The study investigated the effect of 10% aqueous extracts ginger, garlic and onion on quality shelf life frozen chevon pork as reflected by changes in values 2-thiobartituric acid reactive substances (2-TBARS) total volatile basic nitrogen (TVB-N) over a 14 day storage under conditions. pH, 2-TBARS TVB-N were measured from at -20°C after days. resulted low pH 5.63, 5.79 5.67 for mixed...
Avian leukosis virus (ALV) requires endocytosis and a low pH step for successful viral entry. Here we report that transient treatment with lysosomotropic agents was not sufficient to block ALV subgroup B (ALV-B) entry, while it completely inhibited uptake of the pH-dependent Semliki Forest virus. Extended incubations with lysosomotropic agents were required to block ALV-B entry, suggesting that...
microbial activity and spoilage of chicken meat from the market in mashhad, iran, stored in air at 0, 4, 10 and 15°c was assessed. microbial spoilage population, total volatilebase nitrogen (tvb-n), ph and organoleptic changes were determined. based on the results of sensory analysis, shelf-life of chicken meat stored at 0, 4, 10 and 15°c was 72, 120, 220 and 320 h, respectively. tvb-n that ser...
Genetic and receptor interference data have indicated the presence of one or more cellular receptors for subgroup B, D, and E avian leukosis viruses (ALV) encoded by the s1 allele of the chicken tvb locus. Despite the prediction that these viruses use the same receptor, they exhibit a nonreciprocal receptor interference pattern: ALV-B and ALV-D can interfere with infection by all three viral su...
TVB is an avian death domain-containing receptor belonging to the TNF receptor family and is proposed to be the ortholog to mammalian DR5. Although TVB receptor activation has been demonstrated to mediate apoptosis in chick embryo fibroblasts, there is essentially no information regarding TVB expression or regulation in the mature hen ovary, and in particular within the follicle granulosa layer...
Endogenous avian leukosis virus (ALVE) and the ALVE receptor (TVB*S1) status of six commercial chicken lines supplying specific-pathogen-free eggs were analyzed. All commercial chicken lines are certified free of the avian leukosis virus (ALV) by screening for expression of the p27 protein using the standard enzyme-linked immunosorbent assay. The commercial chicken lines A, E, and F contained r...
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