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Plant Natural Products for Human Health and Disease

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Bioactives and Nutraceuticals".

Deadline for manuscript submissions: 30 December 2025 | Viewed by 1575

Special Issue Editor

Special Issue Information

Dear Colleagues,

Natural products of plant origin have long been recognized for their therapeutic potential, serving as a rich source of bioactive compounds with diverse therapeutic effects and molecular mechanisms. Historically, many modern drugs are derived from phytochemicals such as alkaloids, flavonoids, terpenoids, and polyphenols, which interact at the cellular and molecular levels to modulate physiological pathways. Advances in molecular biology and phytochemistry have deepened our understanding of how these natural compounds affect human health by targeting specific enzymes, receptors, and signalling cascades involved in the pathogenesis of noncommunicable diseases such as cancer, cardiovascular, and neurodegenerative conditions.

This Special Issue aims to highlight recent advances in the elucidation of the molecular mechanisms and bioactivity of plant-derived compounds. It will cover research aimed at the isolation, structural characterization, and bioassays of natural products, as well as their mechanisms of action at the molecular level, including gene expression modulation, enzyme inhibition, antioxidant activity, and immune system regulation. In addition, it will cover emerging approaches such as molecular docking and omics technologies to optimize the therapeutic efficacy of plant natural products. By integrating interdisciplinary research, this collection seeks to accelerate the translation of phytochemicals into novel, effective, and safe interventions for human health and disease management.

Dr. Rumyana Simeonova
Guest Editor

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Keywords

  • medicinal plants
  • phytochemistry
  • bioactive compounds
  • metabolomics
  • proteomics
  • antioxidants
  • signal transduction
  • immunomodulation
  • phytopharmacology
  • ethnopharmacology

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Published Papers (1 paper)

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14 pages, 859 KB  
Brief Report
Comparative Bioavailability of DHA and EPA from Microalgal and Fish Oil in Adults
by Eileen Bailey, Jérôme Wojcik, Maike Rahn, Franz Roos, Anneleen Spooren and Kyoko Koshibu
Int. J. Mol. Sci. 2025, 26(19), 9343; https://doi.org/10.3390/ijms26199343 - 24 Sep 2025
Viewed by 1278
Abstract
Microalgae offer a promising sustainable source of essential nutrients, docosahexaenoic acid (DHA), and eicosapentaenoic acid (EPA). DHA and EPA are mainly obtained through fish, which are limited in number due to global climate change. Microalgal oil, on the other hand, has emerged as [...] Read more.
Microalgae offer a promising sustainable source of essential nutrients, docosahexaenoic acid (DHA), and eicosapentaenoic acid (EPA). DHA and EPA are mainly obtained through fish, which are limited in number due to global climate change. Microalgal oil, on the other hand, has emerged as a sustainable and limitless source of DHA and EPA but the bioavailability of these nutrients has not been directly compared to fish oil. Therefore, the objective of this study is to evaluate and demonstrate the comparable DHA and EPA plasma bioavailability of microalgal and fish oil. We analyzed the plasma phospholipid levels of 74 adult men and women after 6 and 14 weeks of consuming omega-3 supplements derived from either microalgal or fish oil in a randomized double-blind placebo-controlled parallel-group clinical trial. We found that the bioavailability of DHA and EPA in plasma phospholipids from microalgal oil supplements are statistically non-inferior compared to fish oil supplements, despite the differences in production process and composition, indicating that microalgal oil is a reliable and bioavailable source of DHA and EPA. Full article
(This article belongs to the Special Issue Plant Natural Products for Human Health and Disease)
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