Peroxidases, one of the key antioxidant enzymes, are widely distributed in nature and
catalyze oxidation of various electron donor substrates concomitant with the decomposition …

Currently, there is growing interest in screening and quantifying antioxidants from biological
samples in the quest for natural and effective antioxidants to combat free radical-related …

Effect of the use of water and different organic solvents such as acetone, N, N-
dimethylformamide (DMF), ethanol or methanol at various concentrations on the total …

Grape byproducts were subjected to an extraction process under various different
experimental conditions (namely, solvent type, temperature, solvent-to-solid ratio, time …

Black tea was extracted for 2, 8 and 18 h with absolute acetone, N, N-dimethyl-formamide
(DMF), ethanol and methanol and their 50% aqueous solutions. The extracts were screened …

The creation and analysis of a large variety of existing methods for the evaluation of
integrated antioxidant properties are quite relevant in connection with a range of biological …

This study determined antioxidant activity in terms of the 1, 1-Diphenyl-2-picrylhydrazyl
(DPPH) scavenging ability and total phenolic content of black tea under different infusion …

Laccase from Trametes versicolor, an enzyme with broad substrate specificity for the
phenolic substrates was employed as a biorecognition element in order to develop a …

Natural peroxidase composed of protein and metallic cofactor suffers from deactivation in
harsh environment. Learning from the natural structure of active site in peroxidase, in this …

Absolute methanol extract leaf of Costus afer was comprehensively investigated for free
radical scavenging activities and antioxidant activities using battery of testing: 1, 1-diphenyl …