Effect of extracts of Allium porrum in some hematological parameters of rat

The research was aimed to know the effect of aqueous and alcoholic extracts of Allium porrum on some hematological parameters of male rats (n=35). Rats were divided into groups and  were administrated different concentrations (200, 400, and 800) mg/kg of extract daily for one week to study the parameters of hematological parameters compared to control group. The treatment with A. porrum extracts led to increasing RBC and P.C.V. for all extract concentrations and to both kinds. The aqueous extract 800 mg/kg shows more significant effect than the other levels. A significant increase in hemoglobin concentration for aqueous extract 800 mg/kg and 400 mg/kg and alcoholic extract 800 mg/kg and alcoholic extract 800 mg/kg were more significant than the other levels and a significant decrease in WBC count for alcoholic extract 400 mg/kg compared to the control group.


Introduction
Medical plants have grown significant sources of phytosanitary drugs or active substances that used in the preparation of drugs. 1, 2Medicinal plants contain the secondary metabolic products produced by them as natural products known for their essential biological and pharmacological activity and as chemical agents.This literature is considered a starting point in the formation and development of modern medicine. 3,4 s study is to observe the changes in hematological parameters, measure the amount of blood hemoglobin, and calculate the size of blood cells packed cell volume (PVC) of rat using the aqueous and alcohol extracts of the widespread Allium porrum (leek plant) in Iraq.

Materials and Methods
In this study, 35 male rats were used.Rats were divided into groups, the first injected with the phthalic solution.The second, third and fourth groups mixed with an aqueous extract at a concentration of 200, 400 and 800 mg/kg, respectively.While the fourth, fifth and sixth groups injected with a concentrated alcohol extract of 200, 400 and 800 mg/kg, respectively.They were given daily for a week.After 24 hours of the last dose, the animals were weighed and anesthetized with ether, and the blood withdrawn with 1 mL syringe.The blood was removed from the heart directly and kept in tube containing EDTA for blood tests.Dacie  and Lewis (1984) method was adopted using the hemocytometer after blood dilution of 200: 1 with Hymes solution and the number of red blood cells calculated in the small squares according to the following equation 5 : No. of red blood cells in 1 mm 3 = Number of cells in five squares x 10,000 Large quantities of leek leaves were collected from the field where the leaves were well washed and cleaned from dust and dirt and then dried well and then grinded and turned into dry powder.It was then used to prepare the extracts.Harborne, 1974 method was used to prepare the hot water extract for leek leaves. 6100 g of dried leaves powder was taken and placed in 1,000 mL of distilled boiled water with well mixing for 15 min and leaving the beaker for 30 min.The solution was filtered through a cloth and placed in a centrifuge for 3,000 rpm for 15 min.The filtrate was then placed in glass bottles.The glass bottles containing the liquid extract were placed in an electric oven for 40 min.Then filtered through a filter paper by millipore for the purpose of sterilization and then return to the electric oven to obtain a dry extract.Then the sample was stored in a refrigerator.20 g of dry powder of plant leaves was placed in thimbles in the Soxhlet extractor. 6200 mL of ethyl alcohol was added and the extraction was carried out within 24 hours and the sample evaporated in a rotary evaporator at 40°C and low pressure.

Abstract
The research was aimed to know the effect of aqueous and alcoholic extracts of Allium porrum on some hematological parameters of male rats (n=35).Rats were divided into groups and were administrated different concentrations (200, 400, and 800) mg/kg of extract daily for one week to study the parameters of hematological parameters compared to control group.The treatment with A. porrum extracts led to increasing RBC and P.C.V. for all extract concentrations and to both kinds.The aqueous extract 800 mg/kg shows more significant effect than the other levels.A significant increase in hemoglobin concentration for aqueous extract 800 mg/kg and 400 mg/kg and alcoholic extract 800 mg/kg and alcoholic extract 800 mg/kg were more significant than the other levels and a significant decrease in WBC count for alcoholic extract 400 mg/kg compared to the control group.

Article Info
Depa After obtaining the gelatinous solution, apply during millipore for the purpose of sterilization.
Then it was put in the oven at 40°C to obtain a dry extract.
The method of Dacie and Lewis (1984) was adopted using the blood cell count after dilution of blood by 20:1 by the solution of nitrate according to the following equation 5 : No. of white blood cells in 1 mm 3 = Number of white blood cells in large squares x 50 The method of hematocrit used in Dacie and Lewis  (1984) as blood drawn by capillary tube containing a coagulation inhibitor. 5One of the ends was closed with synthetic clay and placed in a microcentrifuge at 10,000 rpm for 10 min.
According to Makarem (1974), hemoglobin was estimated using the special test kits manufactured by Randox, using the spectrophotometer, to measure the level of hemoglobin in the blood. 7

Statistical analysis
The t-Student test was used to find the moral significance.Low Significance Differences (LSD) were also used to compare the rates as well as the standard methods used to determine the mean and Standard deviation (SD). 7

Results
Table I shows a significant increase (p<0.05) in the number of red blood cells in all groups treated with leek extract compared to the control group, as it was 0.9 ± 6 million cells kg mm -3 .The highest value was 7.9 ± 1.7 million cells mg kg -3 in the treatment group with the aqueous extract 800 mg/kg.Table I shows a significant decrease (p<0.05) of the number of white blood cells in the treated group with the extract of 400 mg/kg compared to the control group (6.4 ± 0.3 million cells mm -3 ).Whereas, is decreased to 5.0 ± 0.4 million cells mm -3 in the group treated with alcohol extract 400 mg/kg.The value of PVC increased in all treatment groups compared with control group.It was 40.3% ± 2.1 and increased of 47.8% ± 0.9 in the group treated with the aqueous extract 800 mg/kg (Table I).Tables I shows a significant increase (p<0.05) in hemoglobin in the treatment groups with the aqueous extract 400 and 800 mg/kg and the alcoholic extract by 800 mg/kg compared to the control group 13.7 ± 0.7 μm.The highest value was 17.9 ± 1.0 μm in the treatment group with alcohol extract 800 mg/kg.

Discussion
The results showed a significant increase of the number of red blood cells in all groups treated with leek extract, as well as a considerable increase in the size of blood cells, as well as a significant increase in hemoglobin.The increase in the number of red blood cells means an increase in the activity of dividing cells in bone marrow by the extract.This result agreed with the findings of Hassan and  Ahmed (2002) in the white mice with a dose of 200 mg/kg of alcohol and aqueous extract of the black sesame seed for a week led to a significant increase in mitosis of the cells of the bone. 8The increased concentration of the extract leads to the rise in the division.The reason for this increase is the black sesame seed, which contains catalysts for the process of division.This result is consistent with Haq et al. (1995) as the black sesame seed contains mitogen substances and their ability to stimulate cells to divide without adding any other catalysts. 9his increase in red blood cell production explained by increased blood cell size and increased hemoglobin.The number of white blood cells was not significantly affected in the treatment groups except the treatment by the aqueous extract 400 mg/kg.This decrease may attribute to the fact that high concentrations of the extract cause stress, which affects the preparation of white blood cells.This finding is consistent with Al-Muzayel and Snake (2001), who observed a decrease in the number of white blood cells when treated with high doses of black seed semen. 10This finding differed with Ayoub (1999), who observed increased numbers of these cells at high doses 800 mg/kg.
t e t of E olog , Fa ult of S ie e, U i e sit of Kufa, Kufa st eet,

Table I Effects of the aqueous and alcohol extracts on the physiological parameters
Data are mean ± SD; Significant difference ( a p<0.05) between the treatment groups and the control group