L7395
Lipoxidase from Glycine max (soybean)
Type I-B, lyophilized powder, ≥50,000 units/mg solid
Synonyme(s) :
15-lipoxygenase, LOX A, Linoleate:oxygen oxidoreductase, Lipoxygenase
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A propos de cet article
Numéro CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-853-1
MDL number:
Numéro CE :
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Laissez-nous vous aiderNom du produit
Lipoxidase from Glycine max (soybean), Type I-B, lyophilized powder, ≥50,000 units/mg solid
type
Type I-B
form
lyophilized powder
specific activity
≥50,000 units/mg solid
mol wt
94 kDa
shipped in
wet ice
storage temp.
−20°C
Quality Level
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Application
Lipoxidase from Glycine max (soybean) has been used:
- to study the effects of 2-(α-D-glucopyranosyl)methyl-2,5,7,8-tetramethylchroman-6-ol(TMG) on oxidation of lipoproteins
- as a representative enzyme for lipoxygenases in microplate assay platform to screen for enzymes degrading wood extractives
- as a positive control in lipoxygenase inhibitory activity assay
The soybean enzyme will use arachidonic acid as a substrate, with ~ 15% of the activity indicated using linoleic acid as the substrate; the product of arachidonic acid oxidation is 12- or 15-hydroperoxyarachidonic acid (12-HPETE or 15-HPETE).
Biochem/physiol Actions
Catalyzes the hydroperoxidation of lipids containing a cis,cis-1,4-pentadiene structure.
Lipoxidases are deactivated by heat treatment near 100°C for 5 to 10 minutes. Studies show that gamma irradiation treatment decreases the specific activity of soybean lipoxygenases. These enzymes are used in studies related to asthma and allergies. Lipoxidases are applicable for industrial bio-transformations such as in the production of aroma fine chemicals.
General description
Lipoxidases (LOXs), or lipoxygenases, are nonheme iron proteins. Lipoxygenases are widely present in plants, some microorganisms, and animals. They are categorized as LOX-1, LOX-2, and LOX-3 with respect to pH and optimum temperature, substrate specificity, and level of inhibition by different agents.
Other Notes
One unit will cause an increase in A234 of 0.001 per min at pH 9.0 at 25 °C when linoleic acid is the substrate in 3.0 ml volume (1 cm light path). One A234 unit is equivalent to the oxidation of 0.12 μmole of linoleic acid.
Physical form
Contains stabilizer and NaCl
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Classe de stockage
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Chemical composition and lipoxygenase activity in soybeans (Glycine max L. Merr.) submitted to gamma irradiation
de Barros EA, et al.
Radiation Physics and Chemistry, 98, 29-32 (2014)
Ewelina Zielińska et al.
Nutrients, 9(9) (2017-09-05)
This study investigated the effect of heat treatment of edible insects on antioxidant and anti-inflammatory activities of peptides obtained by in vitro gastrointestinal digestion and absorption process thereof. The antioxidant potential of edible insect hydrolysates was determined as free radical-scavenging
Microplate enzyme assay for screening lipoxygenases to degrade wood extractives
Nguyen D, et al.
Biocatalysis and Biotransformation, 25(2-4), 202-210 (2007)
Xiao-Hui Ma et al.
Signal transduction and targeted therapy, 7(1), 288-288 (2022-08-16)
Myocardial ischemia/reperfusion (I/R) injury is a classic type of cardiovascular disease characterized by injury to cardiomyocytes leading to various forms of cell death. It is believed that irreversible myocardial damage resulted from I/R occurs due to oxidative stress evoked during
Norimasa Yoshida et al.
Atherosclerosis, 162(1), 111-117 (2002-04-12)
A novel vitamin E derivative that is freely soluble in water, 2-(alpha-D-glucopyranosyl)methyl-2,5,7,8-tetramethylchroman-6-ol (TMG), was evaluated for ability to inhibit development of atherosclerosis in Watanabe heritable hyperlipidemic (WHHL) rabbits or cholesterol-loaded New Zealand White rabbits. Although TMG rapidly entered the circulation
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