Research Article

Safety Assessment of Methanol Extract of Melastoma malabathricum L. Leaves following the Subacute and Subchronic Oral Consumptions in Rats and Its Cytotoxic Effect against the HT29 Cancer Cell Line

Table 4

Haematological profiles of Sprague-Dawley rats following the 90-day oral pretreatment with vehicle (Tween 80) or MEMM in the subchronic toxicity study.

Haematological parametersMale
ControlTreatment
Tween 80MEMM (mg/kg)
505001000

RBC (×1012/L)8.15 ± 0.328.25 ± 0.176.98 ± 0.916.61 ± 0.73
WBC (×109/L)153.30 ± 9.42155.80 ± 2.50133.31 ± 15.80132.80 ± 14.73
Hb (g/L)0.40 ± 0.020.41 ± 0.01 00.34 ± 0.040.35 ± 0.04
PCV (L/L)49.25 ± 0.7549.75 ± 1.3249.25 ± 1.6052.25 ± 0.63
MCV (fL)383.00 ± 11.71380.80 ± 10.04393.00 ± 6.55385.30 ± 6.30
MCHC (g/L)8.44 ± 1.867.85 ± 0.6911.08 ± 3.128.30 ± 1.87
Neutrophils (×109/L)2.51 ± 0.503.48 ± 0.583.03 ± 0.923.53 ± 0.83
Lymphocytes (×109/L)4.89 ± 1.163.60 ± 0.206.42 ± 1.243.92 ± 0.93
Monocytes (×109/L)0.55 ± 0.140.46 ± 0.080.61 ± 0.140.53 ± 0.17
Eosinophils (×109/L)0.32 ± 0.080.32 ± 0.050.35 ± 0.040.32 ± 0.02

Values a reexpressed as means ± SEM. Groups (n = 6): control (treated with Tween 80); treatments (treated with 50 mg/kg MEMM, 250 mg/kg MEMM, and 1000 mg/kg MEMM)