1)       Rosmarinic acid exhibits various pharmacological activities including prevention of oxidation of low density lipoprotein,inhibition of murine cell proliferative activity and of cyclooxygenase,and anti-allergic action.
2)      The biological activity of rosmarinic acid is described as antibacterial,antiviral,and antioxidative.

3)      Its activity especially against rheumatic and inflammatory conditions makes it a sought-after substance for use in phytotherapy.

4)      More recently,rosmarinic acid or its salts were reported to have anti-HIV activies.