Oxidation Capacity
Mostrando 13-24 de 282 artigos, teses e dissertações.
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13. Baker’s yeast-MnO2 composites as biosorbent for Malachite green: An ecofriendly approach for dye removal from aqueous solution
Resumo Neste estudo, compósitos de MnO2-levedura de pão, produzidos pela oxidação direta da levedura com KMnO4 sob condições ácidas, foram usados como biossorvente para remover o corante trifenilmetano verde Malaquita (VM) de solução aquosa. Os parâmetros que influenciam o processo de adsorção tais como pH, tempo de contato, temperatura, concentr
Rev. Ambient. Água. Publicado em: 07/01/2019
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14. Investigation of Distribution of Antioxidant Compounds from Natural Sources and Study of Lipid Protection in Oil-in-Water Emulsions
The investigation of the distribution of antioxidant compounds between emulsions phases, employing natural sources of these compounds directly in the emulsions, is rarely addressed. The use of ultra performance liquid chromatography coupled to a mass spectrometer (UPLC-MS), combined with accelerated oxidation tests and oxygen radical absorbance capacity meth
J. Braz. Chem. Soc.. Publicado em: 2018-08
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15. Further evidence for the existence of broiler chicken PFN (pale, firm, non-exudative) and PSE (pale, soft, exudative) meat in brazilian commercial flocks
Abstract This work aims to investigate the incidence of two color abnormalities in broiler meat: PFN (Pale, Firm, Non-exudative) and PSE (Pale, Soft, Exudative), as well as the physicochemical alterations promoted by those anomalies. The samples of broiler breast meat (n = 700) were classified as Normal (44
5.8), PSE (L*≥53, pH<5.8) and PFN (L*� Food Sci. Technol. Publicado em: 16/04/2018
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16. Superhydrophobic Copper Foam Supported Phase Change Composites with High Thermal Conductivity for Energy Storage
Superhydrophobic and superoleophilic oxidized copper foam (OCF) was prepared by oxidation of copper foam using (NH4)2S2O8 to generate rough surface then followed by modification with low surface energy substance polydimethylsiloxane (PDMS) and stearic acid (SA). Based on sperwetting, form-stable phase change materials (PCMs) composites were obtained by facil
Mat. Res.. Publicado em: 22/03/2018
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17. Rosemary as natural antioxidant to prevent oxidation in chicken burgers
Abstract Rosemary (Rosmarinus officinalis) is known for their sensory characteristics and antioxidant properties, mainly due to the presence of several phenolic compounds. The aim of this work, was determine the antioxidant activity and apply the Rosemary lyophilized extract (RLE) in chicken burger, for assess their ability to reduce the lipid oxidation. Tot
Food Sci. Technol. Publicado em: 31/07/2017
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18. Direct Incorporation of Ginger and Oregano Antioxidants in Canola Oil
Antioxidants are used to increase the shelf life of food and oils. The most common extraction method of antioxidants from natural sources is the use of organic solvents, like methanol and ethanol. Evaporation of all the organic solvent is necessary to prevent health diseases. In this study, we present a new "organic solvent-free" method to extract antioxidan
J. Braz. Chem. Soc.. Publicado em: 2017-06
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19. TECHNOLOGICAL QUALITY OF SOYBEAN OIL OBTAINED FROM STORED GRAIN UNDER CONTROLLED ENVIRONMENTAL CONDITIONS
ABSTRACT: Soybean oil has many important components, but for its maintenance it is essential that there is an appropriate storage, temperature, relative humidity and optimum grain moisture content, because the oxidation reactions occur by improper storage, causing product deterioration. The objective of this study was to evaluate the main changes in the qual
Eng. Agríc.. Publicado em: 2016-12
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20. Effects of endurance training on reduction of plasma glucose during high intensity constant and incremental speed tests in Wistar rats
The aim of this research was to investigate the effects of endurance training on reduction of plasma glucose during high intensity constant and incremental speed tests in Wistar rats. We hypothesized that plasma glucose might be decreased in the exercised group during heavy (more intense) exercise. Twenty-four 10-week-old male Wistar rats were randomly assig
Braz J Med Biol Res. Publicado em: 24/10/2016
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21. Physicochemical Characteristics and Lipid Oxidation of Chicken Inner Fillets Subjected to Different Thermal Processing Types
ABSTRACT The objective of this study was to evaluate the effects of different types of thermal processing on the physiochemical characteristics and lipid oxidation of chicken inner fillets. The study was divided into three assays. In the first assay, 50 chicken inner fillets were divided into five treatments, totaling 10 samples per treatment. Treatments con
Rev. Bras. Cienc. Avic.. Publicado em: 2016-09
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22. Dietary glycerin does not affect meat quality of Ile de France lambs
ABSTRACT The objective of this study was to evaluate the physicochemical and nutritional characteristics of meat from three muscles of Ile de France lambs fed diets containing different levels of glycerin as an alternative to corn. Thirty non-castrated feedlot Ile de France lambs weighing 15±0.2 kg were housed in individual pens and slaughtered at 32±0.2 k
R. Bras. Zootec.. Publicado em: 2016-09
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23. Renin-angiotensin system blockers regulate the metabolism of isolated fat cells in vitro
Due to the presence of the renin-angiotensin system (RAS) in tissues and its specific influence on white adipose tissue, fat cells are possible targets of pharmacological RAS blockers commonly used as anti-hypertensive drugs. In the present study, we investigated the effects of different RAS blockers on fat cell metabolism, more specifically on lipolysis, li
Braz J Med Biol Res. Publicado em: 28/07/2016
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24. Solubility of Heavy Metals/Metalloid on Multi-Metal Contaminated Soil Samples from a Gold Ore Processing Area: Effects of Humic Substances
ABSTRACT Bioavailability of heavy metals at contaminated sites is largely controlled by the physicochemical properties of the environmental media such as dissolved organic matter, hydroxides and clay colloids, pH, soil cation exchange capacity and oxidation-reduction potential. The aim of this study was to investigate soil pH and heavy metal solubility effec
Rev. Bras. Ciênc. Solo. Publicado em: 30/06/2016