Antioxidants

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Honey Extracts Exhibit Cytoprotective Properties against UVB-Induced Photodamage in Human Experimental Skin Models
Antioxidants - Tập 9 Số 7 - Trang 566
Athanasios Karapetsas, Georgia-Persephoni Voulgaridou, Dimitra Iliadi, Ilias Tsochantaridis, Mihalis I. Panayiotidis, Spyridon Kynigopoulos, Maria Lambropoulou, Maria-Ioanna Stavropoulou, Konstantina Stathopoulou, Sofia Karabournioti, Nektarios Aligiannis, Κonstantinos Gardikis, Αlex Galanis, Aglaia Pappa
In the present study, we aimed to examine the antioxidant, antiaging and photoprotective properties of Greek honey samples of various botanical and geographical origin. Ethyl-acetate extracts were used and the and the total phenolic/flavonoid content and antioxidant capacity were evaluated. Honey extracts were then studied for their cytoprotective properties against UVB-induced photodamage...... hiện toàn bộ
Can Antioxidants Reduce the Toxicity of Bisphenol?
Antioxidants - Tập 11 Số 2 - Trang 413
Wanda Mączka, Małgorzata Grabarczyk, Katarzyna Wińska
BPA is still the subject of extensive research due to its widespread use, despite its significant toxicity resulting not only from its negative impact on the endocrine system but also from disrupting the organism’s oxidative homeostasis. At the molecular level, bisphenol A (BPA) causes an increased production of ROS and hence a change in the redox balance, mitochondrial dysfunction, and mo...... hiện toàn bộ
Inclusion Complexes of Lycopene and β-Cyclodextrin: Preparation, Characterization, Stability and Antioxidant Activity
Antioxidants - Tập 8 Số 8 - Trang 314
Haixiang Wang, Shaofeng Wang, Hua Zhu, Suilou Wang, Jiudong Xing
In this study, the inclusion complexes of lycopene with β-cyclodextrin (β-CD) were prepared by the precipitation method. Then the inclusion complexes were characterized by the scanning electron microscopy (SEM), ultraviolet-visible spectroscopy (UV), microscopic observation, liquid chromatography, differential scanning calorimetry (DSC) and phase-solubility study. Moreover, the stability a...... hiện toàn bộ
Chemical Profile and Antioxidant Activity of the Kombucha Beverage Derived from White, Green, Black and Red Tea
Antioxidants - Tập 9 Số 5 - Trang 447
Karolina Jakubczyk, Justyna Antoniewicz, Joanna Kochman, Katarzyna Janda
Kombucha is a fermented tea beverage prepared as a result of the symbiotic nature of bacterial cultures and yeast, the so-called SCOBY (Symbiotic Cultures of Bacteria and Yeasts). Kombucha is characterised by rich chemical content and healthy properties. It includes organic acids, minerals and vitamins originating mainly from tea, amino acids, and biologically active compounds—polyphenols ...... hiện toàn bộ
Determination of Polyphenols Using Liquid Chromatography–Tandem Mass Spectrometry Technique (LC–MS/MS): A Review
Antioxidants - Tập 9 Số 6 - Trang 479
Olalla López‐Fernández, Rubén Domínguez, Mirian Pateiro, Paulo E. S. Munekata, Gabriele Rocchetti, José M. Lorenzo
In recent years, the consumption of polyphenols has been increasing, largely due to its beneficial effects on health. They are present in a wide variety of foods, but their extraction and characterization are complicated since they are mostly in complex matrices. For this reason, the use of selective, sensitive, and versatile analytical techniques such as liquid chromatography coupled to t...... hiện toàn bộ
Quantification of the Antioxidant Activity of Plant Extracts: Analysis of Sensitivity and Hierarchization Based on the Method Used
Antioxidants - Tập 9 Số 1 - Trang 76
Natividad Chaves, Antonio Santiago, Juan Carlos Alías
Plants have a large number of bioactive compounds with high antioxidant activity. Studies for the determination of the antioxidant activity of different plant species could contribute to revealing the value of these species as a source of new antioxidant compounds. There is a large variety of in vitro methods to quantify antioxidant activity, and it is important to select the proper method...... hiện toàn bộ
Impact of Glyphosate on the Development of Insulin Resistance in Experimental Diabetic Rats: Role of NFκB Signalling Pathways
Antioxidants - Tập 11 Số 12 - Trang 2436
Monisha Prasad, Mansour K. Gatasheh, Mohammad A. Alshuniaber, Rajapandiyan Krishnamoorthy, Ponnulakhmi Rajagopal, Kalaiselvi Krishnamoorthy, Periyasamy Vijayalakshmi, Vishnu Priya Veeraraghavan, Selvaraj Jayaraman
Glyphosate, an endocrine disruptor, has an adverse impact on human health through food and also has the potential to produce reactive oxygen species (ROS), which can lead to metabolic diseases. Glyphosate consumption from food has been shown to have a substantial part in insulin resistance, making it a severe concern to those with type 2 diabetes (T2DM). However, minimal evidence exists on...... hiện toàn bộ
Epigallocatechin Gallate Modulates Essential Elements, Zn/Cu Ratio, Hazardous Metal, Lipid Peroxidation, and Antioxidant Activity in the Brain Cortex during Cerebral Ischemia
Antioxidants - Tập 11 Số 2 - Trang 396
Ming‐Cheng Lin, Chien-Chi Liu, Yu-Chen Lin, Ching-Wen Hsu
Cerebral ischemia induces oxidative brain injury via increased oxidative stress. Epigallocatechin gallate (EGCG) exerts anti-oxidant, anti-inflammatory, and metal chelation effects through its active polyphenol constituent. This study investigates whether EGCG protection against cerebral ischemia-induced brain cortex injury occurs through modulating lipid peroxidation, antioxidant activity...... hiện toàn bộ
Radical Scavenging Activity of Puerarin: A Theoretical Study
Antioxidants - Tập 8 Số 12 - Trang 590
Huakang Zhou, Xiangzhou Li, Yaxuan Shang, Kai Chen
Puerarin is a C-glycoside of daidzein, one of the major bioactive ingredients isolated from the root of Pueraria lobata, which has a wide spectrum of pharmacological effects. Although puerarin is well-known for its effective antioxidant activity, there is seldom a systematic theoretical study on its radical scavenging activity. Herein, the free radical scavenging ability of puerarin was in...... hiện toàn bộ
Advances on Food-Derived Peptidic Antioxidants—A Review
Antioxidants - Tập 9 Số 9 - Trang 799
Mingfei Pan, Kaixin Liu, Jingying Yang, Shengmiao Liu, Shan Wang, Shuo Wang
The oxidation process is considered to be the main reason behind human aging, human degenerative diseases and food quality degradation. Food-derived peptidic antioxidants (PAs) have wide sources and great activity, and have broad application prospects in removing excess reactive oxygen species in the body, anti-aging and preventing and treating diseases related to oxidative stress. On the ...... hiện toàn bộ
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