Hydrangenol

Hydrangenol is a strong contact sensitizer found in hydrangea (Hydrangea sp.; Hydrangeaceae), it can significantly inhibit the passive cutaneous anaphylaxis (PCA) reaction, it has antiallergic activity. Hydrangenol has anti-inflammatory, and antifungal activities,it can attenuate NO production and inducible NO synthase expression in lipopolysaccharide (LPS)-stimulated BV2 microglial cells by inhibiting NF-κB activation and by stimulating the Nrf2-mediated HO-1 signaling pathway. Hydrangenol has antifungal activity.