International Journal of Food Properties, ( ISI ), Volume (20), No (1), Year (2017-12) , Pages (948-958)

Title : ( Biochemical characterization of purified lipoxygenase from sesame (Sesamum indicum) )

Authors: zahra marvian hosseini , Ahmad Asoodeh ,

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Abstract

A 66.3 kDa lipoxygenase (LOX) with optimum pH of 8.0 and temperature of 35 °C was purified from Sesamum indicum. Fe2+and Ca2+ could stimulate the enzyme activity by 160 and 141%, respectively, while Co2+ highly reduced it to 20%. The LOX activity was decreased at 1.5 mM of cetyltrimethylammonium bromide (CTAB) and β-mercapto ethanol, and 2.5 mM of phenylmethylsulfonyl fluoride (PMSF) and ethylenediaminetetraacetic acid (EDTA). The enzyme showed Km = 1.01 μM and Vmax = 0.054 μmol.min−1 toward linoleic acid as the substrate. The IC50 values for LOX inhibitors including potassium cyanide (KCN) (270 μM), β-carotene (48 μM), and ascorbic acid (132 μM) were determined.

Keywords

Chromatography; Enzyme characterization; Lipoxygenase (LOX); Sesame
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@article{paperid:1065840,
author = {Marvian Hosseini, Zahra and Asoodeh, Ahmad},
title = {Biochemical characterization of purified lipoxygenase from sesame (Sesamum indicum)},
journal = {International Journal of Food Properties},
year = {2017},
volume = {20},
number = {1},
month = {December},
issn = {1094-2912},
pages = {948--958},
numpages = {10},
keywords = {Chromatography; Enzyme characterization; Lipoxygenase (LOX); Sesame},
}

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%0 Journal Article
%T Biochemical characterization of purified lipoxygenase from sesame (Sesamum indicum)
%A Marvian Hosseini, Zahra
%A Asoodeh, Ahmad
%J International Journal of Food Properties
%@ 1094-2912
%D 2017

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