Changsha Staherb Natural Ingredients Co Ltd

Product Name: Rosmarinic acid 
Synonyms:Rosemary acid; Benzenepropanoic acid, alpha-((3-(3,4-dihydroxyphenyl)-1-oxo-2-propenyl)oxy)-3,4-dihydroxy-;(2S)-3-(3,4-dihydroxyphenyl)-2-[3-(3,4-dihydroxyphenyl)prop-2-enoyloxy]propanoic acid 
CAS No.: 20283-92-5
Molecular formula: C18H16O8 
Molecular weight: 360.33 
CAS No: 80225-53-2 
Botanical Source: Rosemary 
Solubility: slightly soluble in water, but well soluble in most organic solvents. 
Appearance: red-orange powder

Molecular Structure


Rosmarinic acid, C18H16O8, is a natural polyphenol antioxidant carboxylic acid found in many Lamiaceae herbs used commonly as culinary herbs such as lemon balm, rosemary, oregano, sage, thyme and peppermint. Chemically, rosmarinic acid is an ester of caffeic acid with 3,4-dihydroxyphenyl lactic acid. It is a red-orange powder that is slightly soluble in water, but well soluble in most organic solvents. 

Biological importance 
Because of the antioxidant activity of Lamiaceaeous herbs in laboratory test models they have been suggested to have beneficial effects in humans. Rosmarinic acid has a number of interesting biological activities, e.g. antiviral, antibacterial, antiinflammatory and antioxidant. The presence of rosmarinic acid in medicinal plants, herbs and spices has beneficial and health promoting effects. In plants, rosmarinic acid is supposed to act as a preformed constitutively accumulated defense compound. 

Metabolism 
Rosmarinic acid is known to undergo metabolism in humans and rats to methylated rosmarinic acid, coumaric acid, ferulic acid and caffeic acid.