Rosemary Oleoresin is sourced from the leaves of Rosmarinus officinalis or Rosemary, which belongs to the Mint Family. Â Rosemary contains plant compounds like Rosmarinic Acid, Rosmaridiphenol, Carnosol, Rosmanol, having powerful antioxidant, antimicrobial and anti-inflammatory properties. Rosemary Oleoresin also includes a fair amount of iron, calcium, and vitamins A, C,