Results 21 to 30 of about 402,611 (211)

Cholesterol oxidized products in foods: potential health hazards and the role of antioxidants in prevention

open access: yesGrasas y Aceites, 2004
Cholesterol is a molecule with a double bond in its structure, and therefore it is susceptible to oxidation leading to the formation of oxysterols. These oxidation products are found in many commonly consumed foods and are formed during their manufacture
Alfonso Valenzuela   +2 more
doaj   +1 more source

Oxidative stress and antioxidants-a critical review on in vitro antioxidant assays

open access: yes, 2022
Antioxidants have been widely studied in the fields of biology, medicine, food, and nutrition sciences. There has been extensive work on developing assays for foods and biological systems.
Kotha, Raghavendhar R. R.   +2 more
core   +1 more source

Erratum: Hunaefi, D., et al. The Effect of Lactobacillus plantarum ATCC 8014 and Lactobacillus acidophilus NCFM Fermentation on Antioxidant Properties of Selected in Vitro Sprout Culture of Orthosiphon aristatus (Java Tea) as a Model Study. Antioxidants 2012, 1, 4–32

open access: yesAntioxidants, 2015
Article [1] was published on 26 September 2012. In order to update the spelling of the second author’s name—“Divine N. Akumo” was written as “Divine Akumo”, it was updated a few days after publication and prior to issue release. [...]
Antioxidants Editorial Office
doaj   +1 more source

Potassium (K+) Starvation-Induced Oxidative Stress Triggers a General Boost of Antioxidant and NADPH-Generating Systems in the Halophyte Cakile maritima

open access: yesAntioxidants, 2022
Potassium (K+) is an essential macro-element for plant growth and development given its implication in major processes such as photosynthesis, osmoregulation, protein synthesis, and enzyme function.
Hayet Houmani   +5 more
doaj   +1 more source

Changes in the Content of Some Groups of Phenolic Compounds and Biological Activity of Extracts of Various Parts of Heather (Calluna vulgaris (L.) Hull) at Different Growth Stages

open access: yesPlants, 2020
Heather (Calluna vulgaris (L.) Hull.) is noted for a diverse chemical composition and a broad range of biological activity. The current study was aimed at monitoring changes in the accumulation of certain groups of phenolic compounds in various organs of
Victoria Chepel   +2 more
doaj   +1 more source

NADP-Dependent Malic Enzyme Genes in Sweet Pepper Fruits: Involvement in Ripening and Modulation by Nitric Oxide (NO)

open access: yesPlants, 2023
NADPH is an indispensable cofactor in a wide range of physiological processes that is generated by a family of NADPH dehydrogenases, of which the NADP-dependent malic enzyme (NADP-ME) is a member.
Jorge Taboada   +4 more
doaj   +1 more source

Nitric Oxide (NO) Differentially Modulates the Ascorbate Peroxidase (APX) Isozymes of Sweet Pepper (Capsicum annuum L.) Fruits

open access: yesAntioxidants, 2022
Nitric oxide (NO) is a free radical which modulates protein function and gene expression throughout all stages of plant development. Fruit ripening involves a complex scenario where drastic phenotypical and metabolic changes take place. Pepper fruits are
Salvador González-Gordo   +5 more
doaj   +1 more source

Protein nitration: A connecting bridge between nitric oxide (NO) and plant stress

open access: yesPlant Stress, 2021
Nitric oxide (•NO) is a free radical which exerts a myriad of functions in the physiology of higher plants either under physiological and environmental stress conditions.
Francisco J. Corpas   +2 more
doaj   +1 more source

Docosahexaenoic acid (DHA), essentiality and requirements: why and how to provide supplementation

open access: yesGrasas y Aceites, 2006
Lipids comprize from 50-60% of the structural matter of the brain and docosahexaenoic acid (C22:6, DHA) is the most  important omega-3 long-chain polyunsaturated fatty acid in the brain phospholipids comprizing 25% of the total fatty acids of the grey ...
Alfonso Valenzuela   +2 more
doaj   +1 more source

Pepper Fruit Extracts Show Anti-Proliferative Activity against Tumor Cells Altering Their NADPH-Generating Dehydrogenase and Catalase Profiles

open access: yesAntioxidants, 2023
Cancer is considered one of the main causes of human death worldwide, being characterized by an alteration of the oxidative metabolism. Many natural compounds from plant origin with anti-tumor attributes have been described.
Marta Rodríguez-Ruiz   +8 more
doaj   +1 more source

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