Wilforlide A acetate is a reference material that can be used as an analytical standard for the identification of natural products. It is a natural product found in plants, which is extracted and purified from the leaves of Wilfordia suffruticosa. Wilforlide A acetate has been shown to have a number of bioactive properties, including anti-inflammatory, antioxidant, and antimicrobial activities. It also has been found to inhibit the synthesis of pro-inflammatory cytokines and prostaglandins by inhibiting cyclooxygenase-2 (COX-2).