Research Article

Preclinical Safety of the Root Extract of Polygala tenuifolia Willdenow in Sprague-Dawley Rats and Beagle Dogs

Table 5

Gross findings of beagle dogs orally treated with Polygala tenuifolia extracts in single dose oral toxicity study.

Sex: male
GroupGross observationFrequency
(mg/kg)LocationGross findingsDeathSurvivors

0No gross findings*0/02/2
1,000No gross findings0/02/2
No gross findings0/00/2
2,000DuodenumHemorrhage on mucous membrane0/01/2
LungDark red discoloration of right lobule0/01/2

Sex: female
GroupGross observationFrequency
(mg/kg)LocationGross findingsDeathSurvivors

0No gross findings*0/02/2
1,000No gross findings0/02/2
2,000No gross findings0/02/2

Number of animals with the sign/Number of animals examined.