Zi-han ZHAO, Lin ZHANG, Liu YANG, et al. Safety Evaluation of Over-ground Parts of Glycyrrhiza uralensis[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(3): 74-80.
DOI:
Zi-han ZHAO, Lin ZHANG, Liu YANG, et al. Safety Evaluation of Over-ground Parts of Glycyrrhiza uralensis[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(3): 74-80. DOI: 10.13422/j.cnki.syfjx.20190218.
Safety Evaluation of Over-ground Parts of Glycyrrhiza uralensis
To evaluate the toxicological safety of over-ground parts of
Glycyrrhiza uralensis
in order to provide basis for the rational utilization of over-ground parts of Glycyrrhizae Radix et Rhizoma recourses.
Method:
2
Mice acute oral toxicity test
micronucleus test of mice bone marrow
mice sperm shape abnormality test and toxicological test based on chronic nonbacterial prostatitis model were carried out.
Result:
2
Maximal tolerable dose(MTD) of over-ground parts of
G
.
uralensis
water extract (WE) and alcohol extract (AE) were 96
128 g·kg
-1
respectively. Macro-porous resin enriched product of AE was harmful to mice
with gender differences. Micronucleus rates of each dose(8
16
32 g·kg
-1
) group and control group for female mouse were 0.28%
0.34%
0.26% and 0.22%
respectively. Micronucleus rates of each dose(8
16
32 g·kg
-1
) group and control group for male mouse were 0.32%
0.30%
0.36% and 0.28%
respectively. Sperm shape abnormality rates of each dose group and control group were 3.16%
3.01%
2.67% and 3.23%
respectively. Micronucleus rate and sperm shape abnormality rate had no significant increase compared with the negative control. The 30-day repeated intragastric WE and AE had no effect on the general conditions of the model rats. Compared with normal group
AE group showed a significant decrease in heart weight
and significant increases in liver weight
liver index and kidney index (
P
<
0.05). Both of AE and WE group showed significant increases in globulin (GLB) and creatinine (CRE) levels (
P
<
0.05). The transaminases of individual rats were abnormal. Four liver pathological changes were found in necropsy
histopathological examination revealed that liver cells degeneration
necrosis and liver tissue inflammation occurred in the individual rats with abnormalities in biochemical index and organ index.
Conclusion:
2
The results indicated that both of WE and AE have potential toxicity. WE does not show any genetic toxicity to mice. Therefore
further studies shall be made for toxicological safety of over-ground parts of
G
.
uralensis
.
关键词
Keywords
references
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