Figure 2

![Figure 2: Cell viability and toxicity assessments confirm the safety profile of quercetin concentrations used in the nasal epithelial cell experiments.]()

> 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="Cell viability and toxicity assessments confirm the safety profile of quercetin concentrations used in the nasal epithelial cell experiments." />
  <figcaption>Figure 2. Cell viability and toxicity assessments confirm the safety profile of quercetin concentrations used in the nasal epithelial cell experiments.<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>