29 articles for “Enzymatic Activities”

Set a search alert

Research ArticleOpen accessIn the abstractFish Spoilage Mechanisms and Preservation Techniques: ReviewA. E. Ghaly, D. Dave, S. Budge, M. S. BrooksProblem statement: Spoilage of food products is due to chemical, enzymatic or microbial activities One-fourth of the world’s food supply and 30% of landed fish are lost through microbial activity alone. With the ever growing world population and the need to store and transport the food from one place to another where it is needed, food preservation becomes necessary in … …American Journal of Applied Sciences, Vol. 7, Issue 7 · 31 Jul 2010 · 59,795 accessesView PDF Cite

Research ArticleOpen accessIn the abstractCamel's Milk Protects Against Cadmium Chloride Induced Toxicity in White Albino RatsFahaid Al-Hashem, Mohammad Dallak, Nabil Bashir et al.Problem statement: Cadmium is one of the most dangerous occupational and environmental toxins. It is found in drinking water, atmospheric air and even in food. Cadmium is reported to be very toxic to biological systems. Until now in treating intoxication with this metal, chelating Compounds have been used, burdened with numerous undesirable symptoms. For this reason, many researches are carried … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 3 · 30 Sep 2009 · 9,306 accessesView PDF Cite

Research ArticleOpen accessIn the abstractConcentration and Physicochemical Properties of Chitosan Derivatives Determine the Induction of Defense Responses in Roots and Leaves of Tobacco (Nicotiana tabacum) PlantsAlejandro B. Falcón-Rodríguez, Juan C. Cabrera, Eduardo Ortega, Miguel Ángel Martínez-TéllezProblem statement: The chitosan derivatives promote diverse defensive responses in plants, which are affected by chitosan chemical features and concentration. Glucanase (EC 3.2.1.6), Phenylalanine Ammonia-Lyase (PAL, EC 4.3.1.5) and peroxidase (POD, EC 1.11.1.6) are key enzymes in tobacco defense responses. Thus, the aim of this study was to know the behavior of their enzymatic activity in leaves and roots of … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 3 · 30 Sep 2009 · 9,263 accessesView PDF Cite

Research ArticleOpen accessIn the abstractImmobilization of Lipase from Candida Rugosa on Palm-Based Polyurethane Foam as a Support MaterialRoila Awang, Mohd Rafaei Ghazuli, Mahiran BasriLipase from Candida rugosa was immobilized onto palm-based polyurethane foam (PU), which the polymer was pre-soaked in co-immobilized agent. The activities of PU-immobilized lipase were tested by the esterification reaction of oleic acid and oleyl alcohol in hexane. The PU-immobilized lipase was then characterized in term of its thermal, operational and storage stability. The optimum temperature for native and PU-immobilized … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 3 · 30 Sep 2007 · 7,478 accessesView PDF Cite

Research ArticleOpen accessIn the abstractProtein Molecular Structures, Protein SubFractions, and Protein Availability Affected by Heat Processing: A ReviewPeiqiang YuThe utilization and availability of protein depended on the types of protein and their specific susceptibility to enzymatic hydrolysis (inhibitory activities) in the gastrointestine and was highly associated with protein molecular structures. Studying internal protein structure and protein subfraction profiles leaded to an understanding of the components that make up a whole protein. An understanding of the molecular structure of … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 2 · 30 Jun 2007 · 8,286 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEffects of Computer Use on Human Salivary Oxidant/Antioxidant Statusİmge B. Ergüder, İlker DurakComputers are widely used in recent years but their effects on human health completely are known. The aim of this study was to investigate possible effects of computer use on human salivary oxidant / antioxidant system. Ten subjects were included in the study. Three saliva samples were taken from the subjects. First was obtained before computer use, second and third … …OnLine Journal of Biological Sciences, Vol. 6, Issue 1 · 30 Jun 2006 · 6,386 accessesView PDF Cite

Research ArticleOpen accessIn the abstractPurification of A Recombinant Thrombin-like Enzyme, Gloshedobin by Egg Yolk Antibody-Coupled AdsorbentsQing Yang, Xuyu Lei, Jianqiang Xu, Lijia AnThe gloshedobin, a snake venom thrombin-like enzyme was biosynthesized in the soluble form and purified by egg yolk antibody-coupled adsorbents from E. coli. As His-tag is not favored from the point of view of high-level and soluble expression, we herein constructed a recombinant gloshedobin without His-tag and developed a novel egg yolk antibody (IgY)-immunoaffinity chromatography for its purification in a … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 1 · 31 Mar 2005 · 6,690 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordThe Enzymatic Role of Lipid Metabolism in Yarrowia lipolytica Grown on GlycerolRuixue Wang, Feifei Xin, Yufei Chang et al.More attention has been paid to the production of commercial fatty acids by microbial fermentation. The basic biochemistry of lipid accumulation in oleaginous microorganisms under nitrogen limitation has been extensively studied. As an oleaginous microorganism, Yarrowia lipolytica can produce fatty acid-derived biofuels and biochemicals. However, the response of the enzymes in Y. lipolytica to glycerol remains unclear. Therefore, we aimed … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 2 · 17 Apr 2023 · 6,309 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordEffect of Heavy Metals on the Enzymatic Activity of Haplic Chernozem under Model Experimental ConditionsNatalia Gromakova, Saglara Mandzhieva, Tatiana Minkina et al.The biological activity of soils is an essential parameter of their ecological status. The anthropogenic Heavy Metals (HMs) disturb the normal functioning of soil biota and, hence, the entire soil system. The aim of this work was to estimate the toxicity of loosely bound HM compounds in Haplic Chernozem using parameters of cellulose-degrading and urease activities. Contamination of Haplic Chernozem … …OnLine Journal of Biological Sciences, Vol. 17, Issue 3 · 23 Jul 2017 · 7,994 accessesView PDF Cite