نتایج جستجو برای: total volatile basic nitrogen
تعداد نتایج: 1188225 فیلتر نتایج به سال:
The present work was carried out to study the effect of vacuum packaging and pomegranate peel extract (PE) treatments on the quality of pacific white shrimp (Peneous vannamei) during refrigerated storage. Changes in pH, thiobarbituric acid (TBA), total volatile base nitrogen (TVB-N), trimethylamine (TMA), aerobic plate counts, psychrophilic, lactic acid bacteria and enterobacteriaceae counts, m...
improving food quality is one the major issues for the food processing industry. since food produced from fish spoils quickly, it obviously cannot be kept for an extended time. the aim of the present study was to determine the effects of sodium polyphosphate and smoking on the shelf life of fish sausage that was produced from capoeta umbla and stored at 4±1°c. therefore, we designed four groups...
امروزه اهمیت نگهداری و عرضه ماهی تازه با توجه به علاقه مصرف کنندگان به ماهی تازه نسبت به منجمد روز به روز بیشتر می شود. در این میان تعیین مدت زمان ماندگاری ماهی، جهت تعیین زمان مصرف آن، به دلیل فساد پذیری بالای ماهی اهمیت می یابد. این پژوهش به منظور بررسی روند تغییرات فسادی و تعیین زمان ماندگاری ماهی قزل آلای رنگین کمان (oncorhynchus mykiss) طی نگهداری در دمای یخچال (°c4) صورت پذیرفت. بدین منظو...
Date palm seed (Phoenix dactylifera) (DPS) extract has been used worldwide in pharmaceutical agent due to its constituents. This study aimed to assess the effects of DPS extract as a dietary supplementation at on the body composition, lipid peroxidation and tissue quality of common carp (Cyprinus carpio) based on the total volatile nitrogen (TVN) test. Common carp juveniles weighing ca 32 g wer...
Nitrogen availability and utilization by Saccharomyces cerevisiae significantly influence fermentation kinetics and the production of volatile compounds important for wine aroma. Amino acids are the most important nitrogen source and have been classified based on how well they support growth. This study evaluated the effect of single amino acids on growth kinetics and major volatile production ...
With increasing concern for the pollution potential of farm wastes, there is a corresponding need for rapid and robust methods of analysis for animal manures. In order to study the rapid testing methods based on the relationship between nutrient concentrations and physicochemical properties, diverse samples (n=105) were used in this study. The results indicated strong linear relations between s...
This study was designed to investigate the clinico-haemato-biochemical, rumen fl uid and peritoneal fl uid alteration in buffaloes with peritonitis. Buffaloes with peritonitis had anorexia, dehydration, abdominal distension, ruminal atony, pain, fever, reduced milk yield and loss of defecation. Pungent smelling peritoneal fl uid was yielded on abdominocentesis. Hemato-biochemical alterations re...
An air-cathode MFC-adsorption hybrid system, made from earthen pot was designed and tested for simultaneous wastewater treatment and energy recovery. Such design had demonstrated superior characteristics of low internal resistance (29.3Ω) and favor to low-cost, efficient wastewater treatment and power generation (55mW/m(3)) with average current of 2.13±0.4mA. The performance between MFC-adsorpt...
This study aimed to determine the changes in quality of sous vide meagre (Argyrosomus regius) fillets that have been treated with oregano and rosemary extracts during cold storage (4±1 °C). Saturated fatty acids, monounsaturated polyunsaturated acids dominant fish were found be palmitic acid, oleic linoleic respectively. pH values fluctuated samples. It was determined total volatile basic nitro...
The response of a single tin oxide nanowire was collected at different temperatures to create virtual array sensors working as nano-electronic nose. nanowire, acting chemiresistor, first tested with pure ammonia and then used determine the freshness status trout fish (Oncorhynchus mykiss) in rapid non-invasive way. gas sensor reacts total volatile basic nitrogen, detecting samples less than 30 ...
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