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Antioxidants, Volume 8, Issue 2

February 2019 - 23 articles

Cover Story: The antioxidant activity of ascorbic acid (vitamin C) is counteracted by its reactivity with oxygen, which turns into superoxide, becoming prooxidant. Vitamin C is also unproductively depleted, particularly in water at physiologic pH, where it is dissociated to the less-stable ascorbate. Loading ascorbic acid into the alkaline inner lumen of natural halloysite nanotubes protects it from oxygen and allows slower release in time to quench peroxyl radicals. Through this method, antioxidant activity is boosted 4-fold! View Paper here.
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Articles (23)

  • Article
  • Open Access
11 Citations
9,492 Views
15 Pages

Hystrix Brachyura Bezoar Characterization, Antioxidant Activity Screening, and Anticancer Activity on Melanoma Cells (A375): A Preliminary Study

  • Al’aina Yuhainis Firus Khan,
  • Faizah Abdullah Asuhaimi,
  • Tara K. Jalal,
  • Fatimah Opeyemi Roheem,
  • Hatim Abdullah Natto,
  • Muhammad Farid Johan,
  • Qamar Uddin Ahmed and
  • Ridhwan Abdul Wahab

12 February 2019

Porcupine bezoars (PBs) are masses of undigested calcareous concretions formed within the gastrointestinal tract. There are undocumented claims that PBs have antioxidant activity and can treat cancers. However, limited scientific study has been carri...

  • Article
  • Open Access
17 Citations
4,667 Views
10 Pages

9 February 2019

Thirty-six pregnant Holstein–Friesian cows were used to study the effect of Yerba Mate (YM) supplementation during the dry period on redox balance. The treatments groups were Control (no YM), YM 250 (250 g/cow/day), and YM 500 (500 g/cow/day)....

  • Article
  • Open Access
51 Citations
8,559 Views
16 Pages

Evaluation of the In Vitro Wound-Healing Activity of Calabrian Honeys

  • Paolo Governa,
  • Gabriele Carullo,
  • Marco Biagi,
  • Vittoria Rago and
  • Francesca Aiello

6 February 2019

The healing of skin wounds and particularly chronic wounds, such as diabetic foot ulcers, is still a clinical emergency. Despite the many therapeutic tools that are available so far, none seems to be really effective and safe. In this context, we hig...

  • Article
  • Open Access
39 Citations
7,428 Views
11 Pages

Optimization of the Microwave-Assisted Extraction Process of Bioactive Compounds from Annatto Seeds (Bixa orellana L.)

  • Julian Quintero Quiroz,
  • Angélica Celis Torres,
  • Luisa Muñoz Ramirez,
  • Mariluz Silva Garcia,
  • Gelmy Ciro Gomez and
  • John Rojas Camargo

6 February 2019

This study deals with the extraction, optimization, and evaluation of the antioxidant and antimicrobial activities of bioactive compounds obtained from the seeds of annatto using microwave-assisted extraction as compared to leaching. Annatto seeds we...

  • Review
  • Open Access
489 Citations
30,993 Views
28 Pages

5 February 2019

Inflammation has been reported to be intimately linked to the development or worsening of several non-infectious diseases. A number of chronic conditions such as cancer, diabetes, cardiovascular disorders, autoimmune diseases, and neurodegenerative d...

  • Article
  • Open Access
23 Citations
5,750 Views
11 Pages

Correction of Experimental Retinal Ischemia by l-Isomer of Ethylmethylhydroxypyridine Malate

  • Anna Peresypkina,
  • Anton Pazhinsky,
  • Mikhail Pokrovskii,
  • Evgenya Beskhmelnitsyna,
  • Anna Pobeda and
  • Mikhail Korokin

3 February 2019

An important task of pharmacology and ophtalmology is to find specific and highly effective agents for correcting retinal ischemia. The objective of this study is to increase the effectiveness of pharmacological correction of retinal ischemia by usin...

  • Perspective
  • Open Access
31 Citations
8,004 Views
9 Pages

2 February 2019

Mitochondrial dihydrolipoamide dehydrogenase (DLDH) is a redox enzyme involved in decarboxylation of pyruvate to form acetyl-CoA during the cascade of glucose metabolism and mitochondrial adenine triphosphate (ATP) production. Depending on physiologi...

  • Article
  • Open Access
19 Citations
6,065 Views
14 Pages

Hyperoxidation of Peroxiredoxin 6 Induces Alteration from Dimeric to Oligomeric State

  • Sharifun Shahnaj,
  • Rimpy Kaur Chowhan,
  • Potshangbam Angamba Meetei,
  • Pushpa Kakchingtabam,
  • Khundrakpam Herojit Singh,
  • Laishram Rajendrakumar Singh,
  • Potshangbam Nongdam,
  • Aron B. Fisher and
  • Hamidur Rahaman

2 February 2019

Peroxiredoxins(Prdx), the family of non-selenium glutathione peroxidases, are important antioxidant enzymes that defend our system from the toxic reactive oxygen species (ROS). They are thiol-based peroxidases that utilize self-oxidation of their per...

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Antioxidants - ISSN 2076-3921