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Applications of Phytochemicals in Drug Synthesis

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: 20 November 2025 | Viewed by 270

Special Issue Editor

Special Issue Information

Dear Colleagues,

I am pleased to announce the launch of a Special Issue dedicated to the synthesis of new potential drugs from natural compounds. Nature represents our widest source of chemicals: natural products can be obtained by terrestrial or marine organisms and microbial sources and play a crucial role in the continuous development of medicine. Among the many examples of natural compounds converted to drugs are antimicrobials, painkillers, anesthetics, and anticancer agents. With the development of chemical synthesis, medicine went further and began to transform these molecules into new semi-synthetic agents characterized by higher efficacy and selectivity but also higher safety for human and animal use. However, there is still further progress to be made, such as in developing novel drugs to counteract diseases such as cancer and microbial infections, considering that many of the therapeutic agents that are currently available show low efficacy and selectivity. Additionally, the resistance of tumor cells and microorganisms to chemotherapy is an urgent issue. As well as discovering novel potential drugs from natural sources, there is the need to develop new semi-synthetic approaches to improving the pharmacological properties and safety of known natural compounds, paying attention to sustainability and affordability.

Our aim for this Special Issue is to collect original research articles, reviews, and perspectives dealing with analytical and synthetic chemistry, specifically, the identification of novel natural compounds with potential uses as drugs, their isolation and purification, and, in particular, approaches to their transformation into potent and safe drugs. Synthetic approaches can also involve biotechnological transformations performed using specific microbes or enzymes. Interested authors are invited to submit manuscripts by the deadline. I look forward to reading your contributions.

Dr. Gregorio Peron
Guest Editor

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Keywords

  • natural products
  • phytochemistry
  • chemical synthesis
  • drugs
  • medicinal plants
  • natural sources
  • byproducts

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Published Papers (1 paper)

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Research

19 pages, 3271 KiB  
Article
Investigation of In Vitro and In Silico Anti-Inflammatory Potential of Carthamus caeruleus L. Root Juice
by Idir Moualek, Hamdi Bendif, Ali Dekir, Karima Benarab, Yousra Belounis, Walid Elfalleh, Karim Houali and Gregorio Peron
Int. J. Mol. Sci. 2025, 26(13), 5965; https://doi.org/10.3390/ijms26135965 (registering DOI) - 21 Jun 2025
Abstract
This study aimed to evaluate the anti-inflammatory properties of Carthamus caeruleus L. root juice (CRJ), which is used in the traditional medicine of Algeria. The product was characterized by colorimetric assays (total polyphenols, flavonoids, and tannins) and by RP-HPLC-DAD analysis. Experiments were conducted [...] Read more.
This study aimed to evaluate the anti-inflammatory properties of Carthamus caeruleus L. root juice (CRJ), which is used in the traditional medicine of Algeria. The product was characterized by colorimetric assays (total polyphenols, flavonoids, and tannins) and by RP-HPLC-DAD analysis. Experiments were conducted in vitro to assess the ability of CRJ to stabilize human erythrocyte membranes under various stress conditions and inhibit albumin denaturation, a process linked to inflammation. An in silico study was also performed to investigate the inhibitory effects on cyclooxygenase-2 (COX-2) and assess the phenolic constituents with the highest activity. Moderate levels of polyphenols, flavonoids, and tannins were assessed; among these, 22 compounds were identified via chromatographic analysis. While present at low concentrations, some of these compounds, including myricetin, luteolin, and quercetin, are known to exhibit bioactivity at micromolar levels. CRJ provided erythrocyte membranes with notable protection against disruption caused by hypotonic NaCl solutions (protection levels of 90.51%, 87.46%, and 76.87% at NaCl concentrations of 0.7%, 0.5%, and 0.3%, respectively), heat stress (81.54%), and oxidative damage from HClO (75.43%). Additionally, a protection of 61.5% was observed against albumin denaturation. Docking analysis indicated favorable COX-2 binding for myricetin, luteolin, and quercetin. In conclusion, the root juice derived from C. caeruleus demonstrated potential anti-inflammatory activity in vitro and in silico. However, further studies, including in vivo investigations, are necessary to confirm efficacy and fully elucidate the mechanisms of action. Full article
(This article belongs to the Special Issue Applications of Phytochemicals in Drug Synthesis)
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