l asparaginase/kiazi cha kizungu

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Effective treatment for suppression of acrylamide formation in fried potato chips using L-asparaginase from Bacillus subtilis.

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Ingia / Ingia

It has been reported that acrylamide, a potential carcinogen, is formed from the reaction of L-asparagine (L-Asn) and reducing sugars contained in foods during heating processes and free asparagine is a limiting factor for acrylamide formation. It has been reported that potato products such as

Biochemical characterization of a novel L-asparaginase from Paenibacillus barengoltzii being suitable for acrylamide reduction in potato chips and mooncakes.

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Ingia / Ingia

A novel L-asparaginase gene (PbAsnase) from Paenibaeillus barengoltzii CAU904 was cloned and expressed in Escherichia coli. The L-asparaginase gene was 1011bp encoding 336 amino acids. Multiple sequence alignment of PbAsnase with other known L-asparaginases revealed that the enzyme showed high

Characterization of a novel type I l-asparaginase from Acinetobacter soli and its ability to inhibit acrylamide formation in potato chips.

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Ingia / Ingia

l-Asparaginases have the potential to inhibit the formation of acrylamide, a harmful toxin formed during high temperature processing of food. A novel bacterium which produces l-asparaginase was screened. Type I l-asparaginase gene from Acinetobacter soli was cloned and expressed in Escherichia coli.

Molecular cloning, structural modeling and characterization of a novel glutaminase-free L-asparaginase from Cobetia amphilecti AMI6.

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Ingia / Ingia

The exploration of new sources of L-asparaginase with low glutaminase activity is of great interest in both medical and food applications. In the current study, a novel L-asparaginase gene (CobAsnase) from halotolerant Cobetia amphilecti AMI6 was cloned and over-expressed in Escherichia coli. The

Improvement of the activity of l-asparaginase I improvement of the catalytic activity of l-asparaginase I from Bacillus megaterium H-1 by in vitro directed evolution.

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Ingia / Ingia

Directed evolution methodologies have been used as promising strategies for improving the catalytic properties of many existing enzymes. In the presented work, this approach was applied to improve the enzyme activity of l-asparaginase I obtained from Bacillus megaterium H-1. After two rounds of

Cloning, expression, and characterization of L-asparaginase from a newly isolated Bacillus subtilis B11-06.

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Ingia / Ingia

This study focused on the cloning, overexpression, and characterization of the gene encoding L-asparaginase (ansZ) from a nonpathogenic strain of Bacillus subtilis B11-06. The recombinant enzyme showed high thermostability and low affinity to L-glutamine. The ansZ gene, encoding a putative

Optimization of aqueous two-phase micellar system for partial purification of L-asparaginase from Penicillium sp. grown in wheat bran as agro-industrial residue

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Ingia / Ingia

L-asparaginase has been used in the remission of malignant neoplasms such as acute lymphoblastic leukemia. The search for new sources of this enzyme has become attractive for therapeutics. Traditional methods for biomolecule purification involve several steps. A two-phase system may be a good

Reduction of acrylamide level through blanching with treatment by an extremely thermostable L-asparaginase during French fries processing.

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Ingia / Ingia

Bacterial L-asparaginase catalyzes the hydrolysis of L-asparagine to L-aspartic acid. It is normally used as an antineoplastic drug applied in lymphoblastic leukemia chemotherapy and as a food processing aid in baked or fried food industry to inhibit the formation of acrylamide. The present study

Catalytic characteristics and application of l-asparaginase immobilized on aluminum oxide pellets.

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Ingia / Ingia

l-asparaginase from Escherichia coli (l-ASNase) was covalently immobilized on aluminum oxide pellets (AlOPs) using a cross-linking agent, glutaraldehyde. Maximum immobilization yield (85.0%) was obtained after optimizing immobilization parameters using response surface methodology (RSM). Both free

Purification, characterization and kinetic properties of extracellular L-asparaginase produced by Cladosporium sp.

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Ingia / Ingia

L-asparaginase from Cladosporium sp. grown on wheat bran by SSF was purified. Enzyme appeared to be a trimer with homodimer of 37 kDa and another 47 kDa amounting to total mass of 121 kDa as estimated by SDS-PAGE and 120 kDa on gel filtration column. The optimum temperature and pH of the enzyme were

A novel bacterial type II l-asparaginase and evaluation of its enzymatic acrylamide reduction in French fries.

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Ingia / Ingia

This study reports the identification of a novel bacterial type II l-asparaginase, abASNase2, from Aquabacterium sp. A7-Y. The enzyme contains 319 amino acids and shared 35% identity with Escherichia coli type II l-asparaginase (EcAII), a commercial enzyme trademarked Elspar® that is widely used for

Gene cloning and expression of the l-asparaginase from Bacillus cereus BDRD-ST26 in Bacillus subtilis WB600.

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Ingia / Ingia

l-Asparaginase (ASN; EC 3.5.1.1) shows great commercial value because of its ability to reduce toxic levels of acrylamide in foods. To achieve high-efficiency production of l-asparaginase, an open reading frame of 978 bp encoding asparaginase (BcA) was amplified from Bacillus cereus BDRD-ST26,

The effect of asparaginase on acrylamide formation in French fries.

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Ingia / Ingia

Acrylamide formation in French fries was investigated in relation to blanching and asparaginase soaking treatments before final frying. Par-fried potatoes of Bintje variety were prepared by cutting strips (0.8×0.8×5cm) which were blanched at 75°C for 10min. Unblanched strips were used as the

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