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 3

Haematological profiles of Sprague-Dawley rats following the 28-day oral pretreatment with vehicle (Tween 80) or MEMM in the subacute toxicity study.

Haematological parametersMaleFemale
ControlTreatmentControlTreatment
Tween 80MEMM (mg/kg)Tween 80MEMM (mg/kg)
50010005001000

RBC (×1012/L)8.36 ± 0.228.42 ± 0.318.66 ± 0.777.73 ± 0.937.89 ± 0.839.46 ± 0.47
WBC (×109/L)3.74 ± 0.413.02 ± 0.814.86 ± 0.934.83 ± 0.516.30 ± 1.623.62 ± 0.70
Hb (g/L)138.40 ± 3.06129.40 ± 5.04122.20 ± 8.41125.71 ± 11.44108.40 ± 13.11134.00 ± 12.36
PCV (L/L)0.36 ± 0.010.33 ± 0.010.31 ± 0.020.41 ± 0.100.27 ± 0.030.32 ± 0.02
MCV (fL)43.40 ± 2.5139.00 ± 1.0535.80 ± 2.6537.21 ± 0.6234.60 ± 0.8734.20 ± 1.99
MCHC (g/L)382.80 ± 7.81395.20 ± 6.49401.20 ± 10.85388.67 ± 22.21393.80 ± 18.00413.20 ± 16.46
Neutrophils (×109/L)10.80 ± 1.2010.60 ± 1.949.50 ± 2.512.61 ± 1.2714.20 ± 2.6016.00 ± 2.52
Lymphocytes (×109/L)71.60 ± 1.6079.20 ± 3.4081.25 ± 3.8468.77 ± 5.3457.00 ± 4.6773.33 ± 2.73
Monocytes (×109/L)5.00 ± 0.556.40 ± 1.445.08 ± 0.415.41 ± 0.526.40 ± 1.034.67 ± 0.33
Eosinophils (×109/L)3.40 ± 0.752.40 ± 0.242.75 ± 0.483.22 ± 0.434.20 ± 1.724.00 ± 1.16

Values are expressed as means ± SEM. Groups (n = 6): control (treated with Tween 80); treatments (treated with 500 mg/kg MEMM and 1000 mg/kg MEMM).