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Natural Antioxidants from Plants and Foods

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Natural Products Chemistry".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1478

Special Issue Editor


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Guest Editor
Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98122 Messina, Italy
Interests: biomarkers; natural compounds; inflammation; oxidative stress
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue “Natural Antioxidants from Plants and Foods” is a collection of research articles and review papers that explore the role of antioxidant compounds from plants and food. 

Fruits and vegetables have received a great deal of attention due to their high content of antioxidants such as phenolics and flavonoids. Knowing the antioxidant potentials and exploring the possible benefits of the plant and food remain a hot topic for the past decades. Taking good use of natural products from our daily life still remains a top solution in solving challenges nowdays like anti-covid, anti-virus, anti-bacterial, anti-cancer and so on. In this sense, it is necessary to explore more about the antioxidative compounds from plant and foods in aspect of extracting methods, biological properties and pharmaceutical applications... which continues to develop. 

The use of bioactive natural compounds (such as alkaloids, phenolics, terpenes, saponins, and volatile organic compounds) of animal or vegetal origin to treat oxidative stress and inflammation is increasing worldwide, thanks to their limited side effects. Various medicinal plant bioactive extracts and their identified/isolated active constituents have shown a variety of medicinal pharmacological properties against various acute and chronic diseases/disorders.
 
The objective of this Special Issue is to study, at a molecular level, the mechanisms of action of bioactive natural compounds to reduce pathological complications associated with oxidant and inflamamtor diseases. Importantly, the exact active ingredient of natural origin extract must be reported in the submitted research manuscript, since papers describing the effects of mixed extraction from natural origin are not in the scope of the journal.

Dr. Ramona D'Amico
Guest Editor

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Keywords

  • natural compounds
  • polyphenols
  • oxidative stress
  • reactive oxygen species
  • inflammation
  • molecular pathways
  • in vivo models

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Published Papers (1 paper)

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Research

16 pages, 2235 KiB  
Article
Changes in the Antioxidant Potential of Camellia sinensis Cultures under the Influence of Phenolic Precursors
by Maria A. Aksenova, Tatiana L. Nechaeva, Evgenia A. Goncharuk, Maria Y. Zubova, Varvara V. Kazantseva, Petr V. Lapshin, Andrej Frolov and Natalia V. Zagoskina
Molecules 2024, 29(2), 474; https://doi.org/10.3390/molecules29020474 - 18 Jan 2024
Cited by 2 | Viewed by 1213
Abstract
The viability, productivity and survival of higher plants under the adverse factors influence are largely determined by the functional activity of the antioxidant system. The aim of our work was to investigate changes in formation of high-molecular (superoxide dismutase and peroxidase) and low-molecular [...] Read more.
The viability, productivity and survival of higher plants under the adverse factors influence are largely determined by the functional activity of the antioxidant system. The aim of our work was to investigate changes in formation of high-molecular (superoxide dismutase and peroxidase) and low-molecular (phenolics, including flavanols and proanthocyanidins) antioxidants in callus culture of Camellia sinensis under influence of phenolic precursors (L-phenylalanine—3 mM, trans-cinnamic acid—1 mM, naringenin—0.5 mM). According to the data obtained, the effect of precursors on tea callus cultures did not lead to significant increasing of superoxide dismutase and peroxidase activity in most cases. However, it led to the increased accumulation of the total phenolics content, as well as flavanols and proanthocyanidins contents. For C. sinensis callus cultures, the most promising regulator of phenolic compounds was L-phenylalanine, in the presence of which its content increased almost twice. Thus, the exogenous effect of various precursors is possible to use for the targeted regulation of certain phenolics classes accumulation in plant cells. Full article
(This article belongs to the Special Issue Natural Antioxidants from Plants and Foods)
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