Assay of rosmarinic acid (hydroxycinnamic acid), carnosic acid and carnosol

The determination of rosmarinic acid (hydroxycinnamic acid), carnosic acid, and carnosol targets three bioactive compounds from aromatic plants (including rosemary and sage), widely used for their antioxidant and preservative properties. Rosmarinic acid (a hydroxycinnamic acid), carnosic acid, and carnosol are quantified primarily by HPLC or LC-MS, depending on sensitivity requirements.

These compounds are sought in plant extracts, food or cosmetic formulations, and natural preservatives. This analysis helps ensure the quality of plant ingredients, their functional effectiveness, and their regulatory compliance.

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