Is Carnosol a Phytochemical?

Abstract. Carnosol is a naturally occurring phytopolyphenol found in rosemary. Carnosol functions as antioxidant and anticarcinogen. In the present study, we compared the antioxidant activity of carnosol and other compounds extracted from rosemary.

Is Carnosic acid a polyphenol?

Carnosic acid (1) is a phenolic diterpene with a formula C₂₀H₂₈O₄. It belongs to the largest class of over 50,000 plant secondary metabolites termed terpenoids, also known as isoprenoids or terpenes (Hill and Connoly, 2013). Because carnosic acid (1) contains a phenolic group, it is often classified among polyphenols.

What is carnosic acid used for?

Carnosic acid and carnosol, a derivative of the acid, are used as antioxidant preservatives in food and nonfood products, where they're labelled as "extracts of rosemary" (E392).