Quality Control of Coumarins, Furocoumarins and Polymethoxyflavones in Citrus Essential Oils: In Silico Analysis

Citrus essential oils (EOs) contain a variety of secondary metabolites, including coumarins (Cs), furocoumarins (FCs) and polymethoxyflavones (PMFs), all with different biological activities. While Regulation (EC) No 1334/2008 strictly regulates the use of coumarins, undesirable side effects of consuming furocoumarins remain without established maximum toxicity limits for human dietary intake. This study is based on an in‐silico approach aimed at determining these toxicity limits for the oxygenated heterocyclic compounds of citrus EOs approved for use in food. In addition, an innovative quantitative structure‐property relationship (QSPR) using the linear retention index system was explored to characterize the oxygenated heterocyclic compounds (COHs) present in these essential oils. Molecular docking of the studied compounds provided crucial insights into the structure‐odor relationships, offering insights into their mechanisms of action. In addition, an analysis of the pharmacokinetic and pharmacodynamic properties through ADME‐Tox deconstruction provides insight into the potential side effects of their consumption. The results are consolidated by dynamic simulations, providing crucial data for the development of regulations on the maximum toxicity limits of citrus EOs, given the health implications of the various compounds such as coumarins, furocoumarins and polymethoxyflavones present in these essential oils.

• Publication year

  2024

• Venue

  ChemistrySelect

• Publication date

  2024-02-02

• Fields of study

  Not labeled

• Identifiers
  DOI 10.1002/slct.202303037
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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