Polyphenol Oxidase
Direct Electron Transfer of Polyphenol Oxidase on Carbon Nanotube Surfaces: Application in Biosensing
... of polyphenol oxidase (PPO) on single-walled carbon nanotubes (SWCNTs) and its electrocatalytic behavior were ...biosensor, polyphenol oxidase was immobilized on the SWCNTs/GC ...
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Purification and characterization of polyphenol oxidase from Henry chestnuts (Castanea henryi)
... the polyphenol oxidase of higher plants varies with plant ...the polyphenol oxidases from burdock, apple, mango, strawberry, and cling peaches, and other plant sources are reported to be roughly ...
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Change of Polyphenol Oxidase Activity during Oolong Tea Process
... enzyme polyphenol oxidase, the catechin monomer was oxidized and create a complex mixture of polyphenols include theaflavin, theasinensin, oxidation and polymer complex has not been described, such as ...
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Recovery of Active Polyphenol Oxidase and Peroxidase from Plant Tissues with High Phenolics and Chlorophylls
... Abstract: The present protocol described extraction of active polyphenol oxidase and peroxidase from a plant rich in phenolics and chlorophylls in the post-harvest browning syndrome of B. myrtifolia. ...
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Comparative analysis of Polyphenol Oxidase, Catalase and Lycopene production in Lycopersicon esculentum Mill.
... (Polyphenol Oxidase and Catalase) along with Lycopene in Lycopersicon esculentum Mill at different growth stages of (Seedling, Flowering and ...Fruiting). Polyphenol Oxidase, Catalase (both ...
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Immobilization of polyphenol oxidase purified from Igdir Apricot on bardakci-clay
... work, polyphenol oxidase purifed by affinity chromatography from Igdir apricot was immobilized onto natural bardakci-clay by physical adsorption ...free polyphenol oxidase were determined in ...
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SOME PROPERTIES OF POLYPHENOL OXIDASE EXTRACTED FROM COLOCASIA ESCULENTA
... Crude polyphenol oxidase was isolated from Colocasia esculenta and the effects of temperature, pH and some metal ions were ...of polyphenol oxidase was measured by measuring the increase in ...
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Biochemical studies on the characters of polyphenol oxidase from different cultivar of wheat
... Polyphenol oxidase (PPO), is well-known to induce browning in wheat-based ...aestivum; Polyphenol oxidases(PPOs); Enzyme activation; Detergents; ...
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Partial Purification and Characterisation of Polyphenol Oxidase from Tomatoes (Solanum Lycopersicum)
... Polyphenol oxidase (PPO) from tomatoes was extracted and partially purified through (NH4)2SO4 precipitation, dialysis and ion exchange ...of polyphenol oxidase was investigated in solanum ...
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Phenolic Profiles and Polyphenol Oxidase (PPO) Gene Expression of Red Clover (Trifolium pratense) Selected for Decreased Postharvest Browning
... Phaselic acid and clovamide provide another mechanism for decreasing protein losses in the rumen. Studies have revealed a positive correlation between low rates of red clover proteolysis and the presence of both ...
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Purification and Partial Characterization of Polyphenol Oxidase from Sapodilla Plum (Achras sapota)
... by polyphenol oxidase (monophenol, o-diphenol, oxygen oxidoreductase; EC ...the polyphenol oxi- dase from avocado was isolated and partially purified in the presence of TX-114, showing ...
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Direct Electrochemistry of Polyphenol Oxidase
... In this paper, the electrochemistry of fruits was described for the first time. We have shown for the first time that MWCNTs can enhance the direct electron transfer between the electroactive center of polyphenol ...
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Characterisation of polyphenol oxidase from Melissa officinalis L subsp officinalis (lemon balm)
... amine oxidase and azide probably hinders the bond of the precursor tyrosine to ...in polyphenol oxidase reactions. Polyphenol oxidase inhibition by ascorbic acid has been attributed to ...
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Characterisation of polyphenol oxidase and peroxidase and the role in browning of loquat fruit
... is polyphenol oxidase (PPO): PPO catalyses the oxida- tion of polyphenols to o-quinones in the presence of oxygen, and o-quinones polymerise into undesirable brown, red, or black pigments (Hs ...
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Effect of exogenous hydrogen peroxide on peroxidase and polyphenol oxidase activities in cajanus cajan (l ) millsp detached leaves
... Plants have developed specific antioxidative defense enzymes including peroxidase (POD, EC 1.11.1.7) and polyphenol oxidase (PPO, EC 1.10.3.1) to control the rapidly increasing ROS under various ...
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Forage polyphenol oxidase and ruminant livestock nutrition
... Polyphenol oxidase (PPO) is predominately associated with the detrimental effect of browning fruit and vegetables, however, interest within PPO containing forage crops (crops to be fed to animals) has grown ...
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ALLERGENS IN EGGPLANT (SOLANUM MELONGENA L.)
... Eggplant is also evident to cause unpleasantness, rashes, facial edema, oral allergy, itching between the fingers, itching in the throat, and general urticaria in human (Pramod and Venkatesh, 2004). In a recent study, ...
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Effect of ryegrass ( Lolium multiflorum L.) growth on degradation of phenanthrene and enzyme activity in soil
... soil polyphenol oxidase activities at later stages (45 days ~ 75 ...the polyphenol oxidase activity of 50 mg/kg phenanthrene treatment soil was significantly higher than that of 5 mg/kg ...
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Quantitative Gene Expression of Peroxidase, Polyphenoloxidase and Catalase as Molecular Markers for Resistance against Ralstonia solanacearum
... (POD), polyphenol oxidase (PPO) and catalase (CAT) during host pathogen ...interactions. Polyphenol oxidase (PPO) is one of the main SAR related enzymes in plant, and their activities are ...
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Abstract BALAKRISHNAN V., VENKATESAN K., RAVINDRAN K.C., KULANDAIVELU G. (2005): Protective mechanism in UV-B treated Crotalaria juncea L. seedlings . Plant Protect. Sci., 41 : 115–120.
... decreased stem length, leaf area and plant height in cucumber, sunflower, soybean and loblolly pine (TEVINI & TERAMURA 1989). Reduction in biomass accumulation resulting from increased UV-B radia- tion was observed ...
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