Pomegranate is originated from Iran to the Himalayas and also cultivated in Mediterranean , drier parts of southeast Asia , tropical Africa , Spain and California.

Pomegranate is a favorite fruit in the mythology of the region since earliest time. This name is derived from Latin pomagranita that means seeded Apple, pomegranate used in healing with pliny. . 

It is used to treat dysentery.  its  astringent  properties are useful in the treatment of diarrhea.
Since Pomegranate is listed as a sour fruit that able to increase saliva flow so it helps digestion. The Juice is also said to be cooling and nutritious that is good for treatment of bleeding gums.