Rosmarinic acid is a polyphenolic compound found in various herbs, particularly in rosemary, mint, and sage. It exhibits strong antioxidant properties, contributing to its role in food preservation and health benefits. The compound is known for its anti-inflammatory, antimicrobial, and antiviral activities, making it significant in both culinary and medicinal applications. Its sensory characteristics include a slightly bitter taste and astringent mouthfeel, which can enhance the flavor profile of dishes. Rosmarinic acid is also studied for its potential therapeutic effects, including neuroprotective and anti-cancer properties.