kinetic study of free radicals scavenging by saffron petal extracts

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ID: 222908
2013
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Abstract
Saffron petal is the main by-product of saffron processing which is produced in large amounts, annually. The objectives of this study were to study the antioxidant activity and free radical-scavenging effects of saffron petal extracts. The ability of saffron petal to act as an antioxidant using the 2, 2-diphenyl-1-picrylhydrazyl (DPPH) free-radical method was investigated by applying the Uv–Vis spectrometry. The Uv–Vis spectra of reaction mixtures in acetonitrile revealed that saffron petal has a considerable effect on scavenging free radical. Kinetic studies were conducted by measuring the disappearance of DPPH in acetonitrile over the wavelength range of 515-522 nm under pseudo-first-order conditions at 37oC. Furthermore, the pseudo first order rate constants were determined
Reference Key
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Authors ;T. Ardalan;P. Ardalan;M. M. Heravi
Journal ege eğitim dergisi
Year 2013
DOI
DOI not found
URL
http://jchr.org/index.php/JCHR/article/view/96
Keywords
dpph poisons kinetic studytoxicology

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