Rehmannioside B is a desacyl derivative of Picrorhizaoside B, which can be isolated from the methanol extract of the rhizomes of Picrorhiza kurroa Royle ex Benth. (Plantaginaceae).

TNF-α (31-45), human is a potent NF-kB pathway activator. TNF-αis a proinflammatory cytokine that induces necrosis or apoptosis. TNF alpha stimulates NF-κB pathway via TNFR2 promotes cancer growth, invasion, and metastasis.

Lappaol C has antioxidant and antiaging properties, it may promote the C. elegans longevity and stress resistance through a JNK-1-DAF-16 cascade.