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Mechanisms and Structural Specificity of Hydrogen Peroxide Formation during Oxidation of Catechins
superoxide anion hydrogen peroxide catechin
2009/6/17
Hydrogen peroxide (H2O2) formed in aqueous solutions of tea catechins such as epicatechin (EC), epicatechin gallate (ECg), epigallocatechin (EGC), and epigallocatechin gallate (EGCg) was measured by a...
Oxidation of Quercetin by Salivary Components I. Salivary Peroxidase-Dependent Oxidation of Quercetin and Characterization of the Oxidation Products
oxidation products quercetin salivary peroxidase
2009/6/17
Quercetin glucosides ingested as components of a foodstuff can be transformed to quercetin, and the quercetin is oxidized by peroxidase in the oral cavity. One objective of this study was the characte...
Oxidation Process of Linoleic Acid Encapsulated with a Polysaccharide by Spray-Drying
oxidation encapsulation linoleic acid
2009/6/17
The oxidation processes of linoleic acid encapsulated with gum arabic or maltodextrin at various weight ratios by spray-drying were analyzed using the model in which the free energy of activation for ...
Oxidation of Tea Catechins: Chemical Structures and Reaction Mechanism
black tea tea polyphenol catechin
2009/6/17
Black tea accounts for almost 80% of the world’s tea production and is the most important source of polyphenol in the world. However, little has been known about the chemistry of black tea polyphenols...
REACTION RATE OF SULFITE OXIDATION WITHOUT CATALYST.
Effects of Drying Conditions on the Oxidation of Linoleic Acid Encapsulated with Gum Arabic by Spray-drying
lipid oxidation spray-drying microcapsule
2009/6/10
Linoleic acid was microencapsulated with gum arabic using a spray-drier with a centrifugal atomizer. The oxidation process of encapsulated linoleic acid was observed at various temperatures and at dif...
Screening of Edible Plants for Reducing Activity by Monitoring Their Effects on the Oxidation of Oxymyoglobin
reducing activity reductants oxymyoglobin
2009/6/10
The ability to determine the total reductant capacity (i.e. the total amount of electron-donating antioxidants) in dietary foodstuffs would be useful, because foods contain a number of different compo...
Oxidation of Arachidonoyl Glycerols Encapsulated with Saccharides
Arachidonic acid Encapsulation Oxidation
2009/5/31
Two types of lipids rich in arachidonic acid content were encapsulated using various saccharides as the wall material, and the oxidation processes of the encapsulated lipids were measured at 50°C and ...
Oxidation of Linoleoyl Residue of Its Trehalose Ester in an Aqueous Solution
oxidation micelle linoleic acid
2009/5/31
6-O-Monolinoleoyl trehalose synthesized by the immobilized-lipase-catalyzed condensation of linoleic acid and trehalose was dissolved in water at various concentrations, and its oxidation processes we...
Proteomic Studies on Protein Oxidation in Bonito（Katsuwonus pelamis）Muscle
bonito proteomics FTSC
2009/5/20
Recently, there have been advances in the genome analysis of numerous living organisms, including humans. In one post-genome study, the term “proteomics” has attracted much attention. Although proteom...
Degradation of Organic Pollutants by the Advanced Oxidation Processes
Oxidation Pollutants Advanced Oxidation Processes
2009/4/27
A kinetic model has been developed for the degradation of organic pollutants concerning with hydroperoxide ion as the initial step for generation of hydroxyl radical and its subsequent reaction mechan...
Preparation of a Lemon Flavonoid Aglycone and its Suppressive Effect on the Susceptibility of LDL to Oxidation Following Human Ingestion
aglycone eriodictyol lemon flavonoid LDL oxidation
2010/2/3
Lemon flavonoid (LF) prepared from lemon peel predominantly contains eriocitrin as an antioxidant. It is indicated to have low bioavailability compared with lemon flavonoid aglycone (LFA), which pred...
Wet Oxidation of PVA-Containing Desizing Wastewater
textile wastewater wet oxidation wet peroxide oxidationminipage
2009/3/19
Polyvinyl alcohol (PVA)-containing desizing wastewater was treated by variouswet oxidation methods. Parameters such as reaction temperature, initialsolution pH, and thedosage of H2O2 were investigat...
Evaluation of Specific Oxygen Uptake Rates with Reference to Biocatalytic D-Sorbitol Oxidation Systems
D-sorbitol microbial oxidation oxygen uptake D-sorbitol concentration effects
2009/3/19
Effects of D-sorbitol concentration on the kinetics of D-sorbitol microbial oxidation were studied. The culture of Gluconobacter suboxydans S-22 was applied as a biocatalyst. The study was focused on ...
Methodological Aspects and Relevance of the Study of Vegetable Oil, Fat and Lipoprotein Oxidation
arylesterase fat lipoproteins
2009/3/13
components are involved in the development of chronic diseases. In this paper the physiological relevance and some methodological aspects related to the determination of two enzymes enrolled in metabo...