ABSTRACT Mon gosteen peel contains antioxidants that protect against cell damage. Former? that is misused as a food preservative is source of oxidants. This study is conducted to prove the effect of man gosteen peel extract on BcI-2 protein expression and the number of renal tubular dead cells in Wistar rots caused by formalin. A number of .18 mole Wistor rats were given 200mg/kgbw/day formc…