Figure 7

![Figure 7: Dual roles of melatonin in humans (sleep regulation, antioxidant defense) and phytomelatonin in plants (stress tolerance, growth regulation) are diagrammed side by side.]()

> Source: Marino B Arnao et al. "Melatonin from Microorganisms, Algae, and Plants as Possible Alternatives to Syn." *Metabolites*, 2023. PMID: [36676997](https://pubmed.ncbi.nlm.nih.gov/36676997/)

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  <img src="" alt="Dual roles of melatonin in humans (sleep regulation, antioxidant defense) and phytomelatonin in plants (stress tolerance, growth regulation) are diagrammed side by side." />
  <figcaption>Figure 7. Dual roles of melatonin in humans (sleep regulation, antioxidant defense) and phytomelatonin in plants (stress tolerance, growth regulation) are diagrammed side by side.<br>  Source: Marino B Arnao et al. "Melatonin from Microorganisms, Algae, and Plants as Possible Alternatives to Syn." <em>Metabolites</em>, 2023. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/36676997/">36676997</a></figcaption>
</figure>