Anticancer and Anti-Inflammatory Activities of a Standardized Dichloromethane Extract from Piper umbellatum L. Leaves

Figure 1

Relative tumor weight of Ehrlich solid tumor after treatment with vehicle and P. umbellatum SDE. Relative tumor weight was expressed as tumor weight divided by body weight; groups () were treated daily (during 12 days) by oral route with vehicle (PBS, pH 7.0 + Tween 80 0.3%) and SDE 100, 200, and 400 mg/kg; ANOVA, Newman-Keuls Multiple Comparison Test, , significantly different from negative control group (vehicle).