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Details of the antioxidant mechanism of hydroxycinnamic acids
radical-scavenging activity DNA strand breakage reaction mechanisms structure-activity relationship
2015/5/18
Antioxidant activities and free radical-mediated DNA strand breakages of five hydroxycinnamic acids were examined. Kinetic analysis of a stable galvinoxy (GO•)-scavenging reaction of hydroxycinn...
Antioxidant activity and mechanism of action of some synthesised phenolic acid amides of aromatic amines
cinnamic acid derivatives phenylpropenoyl amides of aromatic amines triacylglycerols of sunflower oil
2014/2/24
The antioxidative activities and mechanism of action were studied of eight synthesised cinnamoyl- and hydroxycinnamoyl amides of biogenic amines (caffeoyldopamine, cinnamoyldopamine, p-coumaroyldopami...
Antioxidant activity coefficient, mechanism, and kinetics of different derivatives of flavones and flavanones towards superoxide radical
antioxidant activity coefficient flavonoids binding constant homogeneous kinetics cyclic voltammetry
2014/2/25
A systematic investigation of the electrochemically generated superoxide radical (O2●–) has been conducted in the presence of some flavonoids. Cyclic voltammetry was used to generate O2●– by reducing ...
Linseed harvests parameters depending on the state of cutting mechanism
flax combine harvesting energy consumption GPS
2014/2/25
The operating and economical parameters of agricultural products harvesting are important aspects from production costs point of view. Profitability of the crops depends on quantity and quality of end...
Enzymatic Deodorization with Variegatic Acid from Boletus subvelutipes and Its Mechanism
enzymatic deodorization blueing Boletus subvelutipes
2009/7/8
Variegatic acid (3,3',4,4'-tetrahydroxypulvinic acid, VA) which causes a blueing phenomenon in mushrooms was isolated from Boletus subvelutipes. B. subvelutipes contains 916 mg VA/100 g dry weight of ...
Distribution of Flavonols and Enzymes Participating in the Metabolism in Onion Bulbs: Mechanism of Accumulation of Quercetin and Its Glucosides in the Abaxial Epidermis
metabolism of quercetin glucosides onion bulbs quercetin
2009/7/7
Onion bulbs contain quercetin, quercetin 4'-glucoside (Q4'G) and quercetin 3,4'-diglucoside (Q3,4'G), almost all of which are localized in the abaxial epidermis of scales. There is a question of wheth...
Flow Mechanism for Fluidity of Silkworm（Bombyx mori）Blood in a Capillary
silkworm blood flow property
2009/6/18
Flow property and dispersal state of silkworm (Bombyx mori) blood in a capillary were studied using various bore-sizes of a low shear capillary viscometer combined with photomicroscopy. The viscosity ...
Formation Mechanism of Grassy Odor Substance in Alfalfa Seedlings
alfalfa n-hexanal grassy odor
2009/6/17
Sensory test of the grassy odor with 2, 3, 5 and 7-day-old seedlings of alfalfa showed that 2-day-old seedlings are the grassiest. To identify the substance responsible for the grassy odor, the compos...
Influence of Cation Sequestering and pH on Quiescent Thermal Association of β-Lactoglobulin AB from Fresh Cheddar Whey: An Insight into Gelation Mechanism
gelation β-lactoglobulin chelation
2009/6/17
Freshly fractionated β-lactoglobulin AB (β-Lg) from Cheddar whey was dispersed at pH 3.5, 7, and 9 buffers containing 20 mM EDTA, and circulated at 25°C through a closed loop containing a 200 nm pore ...
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...
Antioxidant Mechanism Studies on Ferulic Acid : Isolation and Structure Identification of the Main Antioxidation Product from Methyl Ferulate
ferulic acid antioxidant reaction radical scavenging scavenging
2009/5/31
As a part of our research project on the elucidation of the chain-breaking antioxidant mechanism of natural phenolic compounds in food components, ferulic acid, a phenolic acid widely distributed in e...
Mechanism and Polyphenols Involved in the Browning Reaction of Olives
browning bruised olives enzymes harvest phenols
2014/3/10
The purpose of this work was to disclose the mechanisms of the browning reaction produced on the surface of the fresh Manzanilla olive cultivar due to the bruises caused during hand or mechanical harv...
Plant α-Glucosidase: Molecular Analysis of Rice α-Glucosidase and Degradation Mechanism of Starch Granules in Germination Stage
α-glucosidase starch granules starch granule-binding sit
2008/4/20
In germination of plant seeds, storage starch is principally degraded by the combination of amylolytic enzymes. As starch is an insoluble granule, a conventional view of the degradation pathway is tha...
Reaction Mechanism Based on X-ray Crystallography at Atomic Resolution of Endopolygalacutronase I from Fungus Stereum purpureum
X-ray crystallography atomic resolution Stereum purpureum endopolygalacutronase I
2008/4/20
Three crystal structures of endopolygalacturonase I (EndoPG I) from Stereum purpureum have been determined in this study: the unliganded EndoPG I, the binary and ternary complexes of EndoPG I with gal...
Reaction Mechanism and Substrate Recognition of GH-94 Phosphorolytic Enzymes
crystallography GH-94 phosphorolytic enzyme reaction mechanism structure and function relationship
2008/4/20
Vibrio proteolyticus chitobiose (GlcNAc-β1,4-GlcNAc) phosphorylase (ChBP) catalyzes the reversible phosphorolysis of chitobiose into α-GlcNAc-1-phosphate and GlcNAc with inversion of the anomeric conf...