Research Article

Assessment of Acute and Chronic Toxicity in Wistar Rats (Rattus norvegicus) and New Zealand Rabbits (Oryctolagus cuniculus) of an Enriched Polyphenol Extract Obtained from Caesalpinia spinosa

Table 4

Effects of P2Et extract on hematological parameters in rats following 180 days of administration.

Parameters (reference values)Group value
Test (N = 6)Control (N = 8)

ErythrogramErythrocyte (6.6 to 9.0 million/mm3)6.62 ± 0.216.71 ± 0.520.69
Hemoglobin (13.2 to 16.4 g/dL)14.43 ± 0.5114.08 ± 0.830.37
Hematocrit (41.1 to 51.1%)43.87 ± 2.1243.25 ± 2.600.56
MCV (52.5 to 65.4 μ3)66.33 ± 4.3264.54 ± 2.410.34
MCH (16.5 to 21.3 pg)21.83 ± 0.8521.01 ± 0.930.12
MCHC (30.2 to 34.5 g/dL)32.93 ± 1.0732.58 ± 0.840.49

LeucogramLeukocytes (7.3 to 12.6 thousands/mm3)5.52 ± 1.616.14 ± 1.330.44
Neutrophil (28 to 44%)39.17 ± 7.5537.88 ± 3.940.68
Eosinophil (1 to 5%)0.67 ± 0.820.50 ± 0.760.70
Lymphocytes (39 to 72%)57.83 ± 7.3659.13 ± 3.800.68
Monocytes (3 to 12%)2.33 ± 1.212.50 ± 1.200.80

CoagulogramPT (seconds)16.94 ± 1.5016.14 ± 0.630.20
Platelets (0.84 to 1.24 million/mm3)0.73 ± 0.160.73 ± 0.140.99
PPT (seconds)21.16 ± 4.3625.84 ± 4.510.09

Total protein6.8 to 8.7 g/dL7.00 ± 0.227.13 ± 0.380.49

N: number of animals in the group, data expressed as mean ± standard deviation. MCV: mean corpuscular volume; MCH: mean corpuscular hemoglobin; MCHC: mean corpuscular hemoglobin concentration (MCHC); PT: prothrombin time; PPT: partial thromboplastin time.