Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 24 for “"thiobarbituric acid reactive substances (TBARS)"”.
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Vitamin C status, oxidative stress, hyperglycaemia and endothelial function in critically ill patients with septic shock : an observational study
… samples were analysed for plasma vitamin C, thiobarbituric acid-reactive substances (TBARS) - as a biomarker of oxidative stress - and soluble vascular cell adhesion molecule-1 (sVCAM-1), and E-selectin, as markers of endothelial dysfunction. The plasma glucose to vitamin C ratios were also …
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The antioxidant activity of the extract of Pangium edule Reinw. (Keluak) seed in cooked ground turkey
… seed was extracted with acetone: water: acetic acid (90: 9.5: 0.5, v/v/v) to obtain phenolic extracts and added to the meat system. The meat system included (ground turkey with 15% fat content, 2% salt (by weight) to induce lipid oxidation and 5% (by weight) water to dissolve the salt. Once the …
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Use of Poultry Collagen Coating and Antioxidants as Flavor Protection for Cat Foods Made with Rendered Poultry Fat
… extracted from chicken skins, dissolved in an acidic solution, applied to dry cat food and dried to form a surface film. Six treatments were examined: kibble, kibble with fat, kibble with collagen, kibble with fat and collagen, kibble with fat, BHA/BHT and collagen and kibble with fat, …
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Palladium uptake and its effect on behavioural and molecular markers in the freshwater shrimp Gammarus pulex
… (GSH); glutathione-S-transferase (GST); thiobarbituric acid reactive substances (TBARS); heat shock proteins (HSPs) and protein phosphorylation) endpoints. Pd caused a significant reduction in the survival of G. pulex with a 96 h LC50 of 0.52 mg/L (4.89 μM). Pt or Rh increased the …
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The effects of altered membrane fatty acid composition on the toxic interactions of heavy metals with Saccharomyces Cerevisiae
The effects of altered membrane fatty acid composition on the toxic interactions of heavy metals with Saccharomyces cerevisiae were examined. Saccharomyces cerevisiae was enriched with the polyunsaturated fatty acids (PUFAs) linoleate (18:2) and linolenate (18:3) by growth in 18:2- or …
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Dried spot cards to analyse biologic fluids for diagnostic investigation of patients
… by measurement of conjugated dienes (CD) and thiobarbituric acid reactive substances (TBARS) on dried serum spots (DSS) was carried out. Determination of salicylate on serum and dried serum spots and cyanide on whole blood and dried blood spots was carried out. Values obtained from original …
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Effect of grape seed extract on oxidative, color and sensory stability of pre-cooked, frozen, re-heated beef sausage model system
… like BHT, BHA, propyl gallate and ascorbic acid using the ORAC assay. All sample solutions were prepared to contain 1.8 gm sample/10 ml solvent. The highest antioxidant activity was observed for the grape seed extract sample (359.75 µM TE), while the lowest was observed for BHA, propyl …
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The Effect of Allopurinol on Left Ventricular Mass in Patients with Treated Essential Hypertension
… by inhibiting xanthine oxidase generated reactive oxygen species and has been shown to improve vascular OS and reduce LVH in other conditions such as chronic kidney disease, diabetes mellitus and ischaemic heart disease. The main aim of this thesis is to investigate whether allopurinol …
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Feeding peroxidized soybean oil to finishing pigs: Effects on performance, nutrient digestibility, carcass characteristics, and the shelf-life of loin chops and commercially manufactured bacon
… conducted on chops stored 0, 5, and 10 d, and thiobarbituric acid reactive substances (TBARS) were evaluated on chops stored 0 and 10 d. On d 83 carcasses were fabricated and bellies collected for recording of weight, dimensions, and flop distance. Belly adipose tissue cores were collected for …
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Inhibition of Lipid Oxidation with Phosphates in Muscle Foods
… sodium tripolyphosphate (STP) and sodium acid pyrophosphate (SAPP), at a level of 0.5%, were compared to control samples in cooked, ground beef patties at 0 and 6 days. The unencapsulated and encapsulated treated samples were different (P<0.05) from the controls with an 81.1% to 89.7% …
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The effects of Vernonia amygdalina(Asteraceae) Delile methanolic leaf extract on markers of oxidative stress in mice treated with high doses of acetaminophen
… Several plants have been shown to be rich in substances that possess antioxidant properties and have thus been used in the treatment of many ailments. To determine the effects of methanolic leaf extract of Vernonia amygdalina Delile on Total antioxidant capacity and malondialdehyde levels in …
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The effects of Vernonia amygdalina(Asteraceae) Delile methanolic leaf extract on markers of oxidative stress in mice treated with high doses of acetaminophen
… Several plants have been shown to be rich in substances that possess antioxidant properties and have thus been used in the treatment of many ailments. To determine the effects of methanolic leaf extract of Vernonia amygdalina Delile on Total antioxidant capacity and malondialdehyde levels in …
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Cardiovascular Effects of Metformin on Left Ventricular Hypertrophy in Nondiabetic Patients with Coronary Artery Disease
… (P=0.024), SBP (P=0.022) and concentration of thiobarbituric acid reactive substances (TBARs), a biomarker for oxidative stress (P=0.04). The per protocol analysis (n=56) also produced findings consistent with findings to mITT, but a more significant reduction of LVMI (P=0.005). The glycated …
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Effect of dietary fats and antioxidants on the frozen storage life of cooked pork products
… in the products was measured by means of thiobarbituric acid reactive substances (TBARS), fluorescence shift and sensory evaluation. The fluorescence shift method was unsatisfactory in the case of wieners, as it appeared that rosemary extract contained compounds that fluoresced and …
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Quality and safety of oils and fats obtained as co-products or by-products of the food chain and destined to animal production
… thesis was to evaluate the effect of trans fatty acid- (TFA), contaminant, polycyclic aromatic hydrocarbon (PAH)- and oxidation productenriched diets on the content of TFA and conjugated linoleic acid (CLA) isomers in meat and liver of both poultry and rabbit. The enriched feedings were prepared …
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Impact of Oxidized Corn Oil and Synthetic Antioxidant on Swine Performance, Antioxidant Status of Tissues, Pork Quality and Shelf Life Evaluation
… liver and jejunum was determined, including thiobarbituric acid reactive substances (TBARS), free carbonyl, glutathione peroxidase (GPx) as oxidative indicators, as well as fatty acid composition, vitamin A and vitamin E concentration. After the live phase, a total of 32 barrows were selected …
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Impact of oxidized corn oil and synthetic antioxidant on swine performance, antioxidant status of tissues, pork quality and shelf life evaluation
… liver and jejunum was determined, including thiobarbituric acid reactive substances (TBARS), free carbonyl, glutathione peroxidase (GPx) as oxidative indicators, as well as fatty acid composition, vitamin A and vitamin E concentration. After the live phase, a total of 32 barrows were selected …
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Potential cardioprotective effect of chronic, moderate consumption of reduced-alcohol wine in a rat model of pulmonary hypertension
… peroxidation markers (conjugated dienes (CD), thiobarbituric acid reactive substances (TBARS)) and antioxidant measures of oxygen radical absorbance capacity (ORAC), superoxide dismutase (SOD) and catalase (CAT) activities in blood plasma were analysed. Results: Baseline echocardiography showed …
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Effects of UV Irradiation on the Reduction of Bacterial Pathogens and Chemical Indicators of Milk
… milk samples were inoculated with a naladixic acid resistant E. coli O157:H7 surrogate (ATCC 25922), maintained at or brought to 4oC and 20oC, respectively, and then exposed to a UV light dose between 5.3-6.3 mJ/cm2 for approximately 1.5 sec using the CiderSure 3500 apparatus (FPE Inc., …
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Effects of various salt purity levels on lipid oxidation and sensory characteristics of ground turkey and pork
… was similar for all of the starting material.Thiobarbituric acid reactive substances (TBARS) were determined on raw and cooked samples to evaluate lipid oxidation. A trained six member sensory panel evaluated the samples at each storage period for saltiness, off flavor, and oxidized odor. …
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