Research Article
Semisynthesis of Derivatives of Oleanolic Acid from Syzygium aromaticum and Their Antinociceptive and Anti-Inflammatory Properties
Figure 4
Formalin-induced pain behavior test. OA (oleanolic acid), AOA (3-acetyloleanolic acid), AOAm (28-methylester, 3-acetyloleanane), and OAm (28-methyloleanane). Results are presented as mean number of licks/bites ± SEM for 6 animals; and . (a) shows a comparison of the tested compounds with control group, whereas (b) shows the comparison of the oleanane derivatives with OA.
(a) |
(b) |