Figure 1

![Figure 1: Quercetin's dose-dependent effect on thioredoxin production in nasal epithelial cells is measured, showing enhanced antioxidant protein expression at therapeutic concentrations.]()

> Source: Yukako Edo et al. "Quercetin Enhances the Thioredoxin Production of Nasal Epithelial Cells In Vitro." *Medicines (Basel, Switzerland)*, 2018. PMID: [30469393](https://pubmed.ncbi.nlm.nih.gov/30469393/)

<figure>
  <img src="" alt="Quercetin's dose-dependent effect on thioredoxin production in nasal epithelial cells is measured, showing enhanced antioxidant protein expression at therapeutic concentrations." />
  <figcaption>Figure 1. Quercetin's dose-dependent effect on thioredoxin production in nasal epithelial cells is measured, showing enhanced antioxidant protein expression at therapeutic concentrations.<br>  Source: Yukako Edo et al. "Quercetin Enhances the Thioredoxin Production of Nasal Epithelial Cells In Vitro." <em>Medicines (Basel, Switzerland)</em>, 2018. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/30469393/">30469393</a></figcaption>
</figure>