Total phenol
ANTIOXIDANT ACTIVITY AND TOTAL PHENOL, FLAVONOID AND TANNIN CONTENTS OF Croton floribundus AND Croton urucurana
... the total phenol, flavonoid and tannin contents of the ethanolic extracts from leaves of Croton floribundus and Croton ...of total phenols, flavonoids and tannin by spectrophotometry in the visible ...
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Effect of Potato virus X on total phenol and alkaloid contents in Datura stramonium leaves
... (PVX) on the contents of total phenols and alkaloids in leaves of Datura stramonium. A significant decrease in the contents of phenols and alkaloids was observed in leaves inoculated with PVX (X-I). However, there ...
3
Antioxidant activity and determination of total phenol contents, carotenoids, beta-carotene, lycopene and zinc in white, yellow and pinkish varieties of manihot esculenta crantz
... the total phenols, carotenoids, beta-carotene, lycopene and zinc contents were also ...of total phenols and zinc content was obtained for the boiled pinkish variety extract ...
9
Effect of roasting degree on the antioxidant activity of different Arabica coffee quality classes
... on total phenol content, total fl avonoid content and fl avonol content as well as on the antioxidant activity in dif- ferent quality classes of Arabica coff ...ee. Total phenol content ...
9
First phytochemical and biological study of the ethanolic extract from leaves of Capirona decorticans (Rubiaceae)
... Total phenol content, flavonoid compounds and antiradical activity determined in the ethanolic extract (EE) and hydromethanolic fraction (FM) of Capirona decorticans leaves supported the results obtained in ...
9
Phenolic compounds in Merlot wines from two wine regions of Rio Grande do Sul, Brazil
... and total phenol content,; therefore further research other relationship is needed to investigate copigment precursors, such as the non-flavonoid ...
7
Zn treatment effects on biological potential of fennel bulbs as affected by in vitro digestion process
... of total phenolic and flavonoid compounds were released during the digestion process, especially after the intestinal ...with total phenol ...
8
J. Braz. Chem. Soc. vol.21 número9
... constituents/total phenol and tannin contents, as well as soil parameters in clustered samples are shown in a supplementary information ile (see SI, Tables S4 and S5, ...
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Antioxidant activity of ethyl acetate and methanolic extracts of two marine algae, Nannochloropsis oculata and Gracilaria gracilis – an in vitro assay
... the total phenol and flavonoid content of some algae species driven from northern coasts of the Persian Gulf, and showed that methanolic extracts contain higher levels of flavonoid ...
6
Chemical characterization and biological properties of royal jelly samples from the mediterranean area
... of total phenol and flavone/flavonol contents; total protein; 10- hydroxy-2- decenoic acid (10- HDA); volatiles composition; antioxidant and anti- inflammatory properties; and inhibition of ty- ...
13
Polyphenol profile and antioxidant activity of extracts from olive leaves
... The aim of the present study was to investigate and compare total phenol content, antioxidant capacity and polyphenol profile of olive leaf methanol extracts from plants grown in vivo [r] ...
10
Braz. J. Chem. Eng. vol.33 número1
... Several authors report that the stoichiometry of PH oxidation by in vitro preparations of PHMO in the presence of NADPH is one mol of oxygen con- sumed per mol of PH oxidized, producing one mol of CA (Detmer and Massey, ...
13
METHODS OF REDUCTION OF FREE PHENOL CONTENT IN PHENOLIC FOAM
... method aimed at reduction of toxicity of phenolic foams consists in the introduction of a composite mixture of chelate compounds. Raw materials applied in the production of phenolic foams include polymers FRB-1A and ...
5
TiO2 immobilization onto concrete: chloroform and phenol photodegradation.
... TiO 2 IMMOBILIZATION ONTO CONCRETE: CHLOROFORM AND PHENOL PHOTODEGRADATION. TiO 2 immobilization on concrete was studied using mixtures with cement, varnish and resin. The UV radiation sources were a germicide UV ...
5
Batch phenol biodegradation study and application of factorial experimental design
... of phenol experienced during the initial period of the shock loading and, consequently, we have obtained a partial deg- radation of phenol until a residual concentration of 300mg/l and a decrease of the ...
5
Comparison of Limberg Flep Technique and Phenol Treatment Methods
... Fenol tedavisi Pilonidal hastalıkta cerrahi tedaviye alternatif olarak uygulanmakta olan bir tedavi yöntemidir (2).Fenol tedavisinin ayaktan uygulama kolaylığı, lokal anestezi altında u[r] ...
1
Phenol adsorption on commercial active carbon under alkaline conditions.
... Os resultados da Tabela 1 mostram que a superfície do CAF não se caracteriza por grupos ácidos fortes como os carboxílicos, mas especialmente por grupos fenólicos e lactonas. Praticamente não fo- ram detectados sítios ...
7
Quím. Nova vol.32 número8
... The breakthrough capacities calculated from the curves (at C/C o = 0.5) are 0.10 mg/g for both adsorbents. The column ca- pacities were lower than the Langmuir capacities (Table 3). This discrepancy may be due to ...
6
Braz. J. Chem. Eng. vol.29 número1
... effluent phenol concentrations for all operational phases of the AFBR containing ...the phenol removal efficiency was 100% for average influent phenol concentrations of ...the phenol removal ...
12
Nitration of phenol, a method on semi-micro scale for a 4 hours laboratory.
... zação deste experimento, ou ainda para nitrações de outros ti- pos de substratos aromáticos, um período médio de 8 horas (ou dois períodos de 4 horas). Com as alterações introduzidas, como apresentaremos a seguir, ...
3