نتایج جستجو برای: enzymatic antioxidant defense

تعداد نتایج: 217182  

Background and Objectives: Bioactive peptides have different health benefits and functional characteristics and are produced by enzymatic hydrolysis, microbial fermentation and chemical synthesis methods. The purpose of this study was to optimize the enzymatic hydrolysis conditions of fenugreek seed protein with alcalase and to evaluate the antioxidant properties of the resulting peptides. Mate...

2014
Bernd Zechmann

The tripeptide thiol glutathione (γ-L-glutamyl-L-cysteinyl-glycine) is the most important sulfur containing antioxidant in plants and essential for plant defense against abiotic and biotic stress conditions. It is involved in the detoxification of reactive oxygen species (ROS), redox signaling, the modulation of defense gene expression, and the regulation of enzymatic activities. Even though ch...

Journal: :Indian journal of experimental biology 2015
Anjali Bhatt Vinayak Patel

Most reports on fruit antioxidant capacities are based on extraction of antioxidants using polar solvents. In banana, little is known about the fate of bioactive compounds during the digestion process, particularly in the food matrix under the gastric and intestinal conditions. In the present study, an in vitro gastrointestinal digestion method was used to simulate physiological conditions of t...

2016
Simin Riahi Mohammad Taghi Mohammadi Vahid Sobhani

Free radical can be defined as a molecule or molecular fragments containing unpaired electron in the outer orbital, which react with nearby molecules to get stability. There are two types of them in the body: oxygen free radicals and nitrogen free radicals. Our body has an antioxidant defense system which prevents accumulation of these radicals. There is a balance between free radical productio...

2018
Cas Eikenaar Caroline Isaksson Arne Hegemann

Migration is energetically demanding and physiologically challenging. Migrating birds, for example, need to boost their antioxidant defenses to defeat the pro-oxidants produced during high energetic activity. The enhanced antioxidant defense possibly withdraws limited resources (e.g., energy or micronutrients) from other physiological functions, such as immune defense. Such a trade-off might no...

A valuable composition of Mentha piperita L. essential oil is menthol that is widely used fordifferent industries. The plants were treated with different concentrations of Methyl Jasmonate (MeJA) and after 24 h were evaluated for total soluble proteins, chlorophylls (a, b, and total), malondialdehyde, carbohydrates and antioxidant enzymes (Superoxide dismutase and Guaiacol peroxidase). Variance...

2015
Dibyendu Talukdar

Changes in expressions of up- and downstream thiol cascade were studied in leaves of Phaseolus vulgaris L. cv. VL-63 and its mutant, pvsod1 (deficient in superoxide dismutase activity) under 50 μM sodium arsenate (As), As + L-buthionine-sulfoximine (BSO) and As + BSO + Sodium hydrosulfide (NaHS)-treatments for 10 days. Main objective was to investigate the functional relationship between hydrog...

2012
B. Visweswaran G. Krishnamoorthy

The aim is to study the effect of Tartrazine (E102) – synthetic food colour – on the antioxidant status of testis of Wistar rats. Twelve male Wistar rats were grouped into 2 groups of six each – Control and Tartrazine-treated groups. Control group was orally administered with water alone while the experimental group was orally administered with tartrazine dissolved in water. The treatment was c...

Journal: :Forschende Komplementarmedizin 2014
Vasavan Jyothilakshmi Ganesan Thellamudhu Raveendar Chinta Kumar Alok Khurana Anil Nayak Debadatta Periandavan Kalaiselvi

BACKGROUND Oxidative stress is a major mediator in the pathophysiology of several kidney diseases. The cellular damage is mediated by an alteration in the antioxidant status, which increases the concentration of reactive oxygen species (ROS) in the stationary state (oxidative stress). Therefore, interventions favoring the scavenging and/or depuration of ROS should attenuate or prevent the oxida...

2016
Peter Patlevič Janka Vašková Pavol Švorc Ladislav Vaško Pavol Švorc

Crohn's disease and ulcerative colitis, known together as inflammatory bowel diseases (IBDs), and celiac disease are the most common disorders affecting not only adults but also children. Both IBDs and celiac disease are associated with oxidative stress, which may play a significant role in their etiologies. Reactive oxygen species (ROS) such as superoxide radicals (O2•-), hydroxyl radicals (•O...

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