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 5

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

Parameters and reference valuesGroup value
Test (N = 7)Control (N = 5)

ErythrogramErythrocytes (5.1 to 7.9 million/mm3)6.07 ± 0.345.65 ± 0.390.08
Hemoglobin (10.0 to 17.4 g/dL)13.34 ± 0.7112.24 ± 0.520.02
Hematocrit (33.0 to 50.0%)38.11 ± 2.2436.18 ± 2.010.16
MVC (57.8 to 66.5 μ3)62.80 ± 0.9964.24 ± 5.370.87
MHC (17.1 to 23.5 pg)21.99 ± 0.3521.68 ± 1.060.49
MCHC (29.0 to 37.0 g/dL)35.03 ± 0.4333.86 ± 1.470.10

LeucogramLeukocytes (5.2 to 12.5 thousands/mm3)7.34 ± 1.646.18 ± 2.340.33
Neutrophil (20 to 75%)56.29 ± 9.6244.60 ± 8.620.06
Eosinophil (1 to 4%)0.43 ± 0.531.40 ± 1.520.19
Lymphocytes (30 to 85%)39.43 ± 9.3652.40 ± 7.600.03
Monocytes (1 to 4%)3.86 ± 3.081.60 ± 0.890.11

CoagulogramPT (7.2 to 7.8 seconds)6.29 ± 0.266.72 ± 0.650.14
Platelets (250 to 650 thousands/mm3)382.71 ± 116.43271.60 ± 36.790.05
PTT (35 seconds)19.29 ± 1.9516.86 ± 0.650.02

Total protein5.4 to 8.5 g/dL6.11 ± 0.286.12 ± 0.440.38

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