Figure 7. AlamarBlue cell viability assay of Tualang honey (0.4%), ascorbic acid (100 µM) and 5HMF(100 µM) treated HCEP cells after H₂O₂ induction.

The resistance of treated cells against H₂O₂ was tested at (A) 0, (B) 50 and (C) 100 µM for 24 h. Significant difference in viability was found between Tualang honey and ascorbic acid-treated group using ANOVA with Tukey multiple comparisons test (*p<0.05; ***p<0.01 compared to untreated control). Abbreviation: 5HMF, 5-hydroxymethyl-2-furancarboxaldehyde.