Compound Monograph
Withanolide A
A C28 steroidal lactone (withanolide) from ashwagandha (Withania somnifera) root, studied for neuroprotective and nerve-regenerating effects and used as a marker for extract standardisation.
Classification
Withanolide A is one of the triterpenes, part of the terpenoids class. The largest class of plant compounds, built from five-carbon isoprene units — the essential-oil aromatics, resins, bitter principles, saponins, and plant sterols.
Where Does It Come From? (1)
Withanolide A is one of the triterpenes, found in Ashwagandha.