Uji Bioaktivitas Antibakteri Ekstrak Kayu Akar Bayur (Pterospermum subpeltatum C.B.Rob) (Bioactivity Test of Antibacterals of Wood Root Extract Bayur (Pterospermum subpeltatum C.B.Rob))

Abstract

Abstract: Pterospermum subpeltatum C.B. Rob or bayur is traditionally and widely used as medicine for infection diseases caused 6y bacteria. Four extract from root stem of this plant were evaluated for their antibacterial activity properties against Escherichia coli, Shigella boydii, staphylococcus aureus darr Streptococcus mutan. All the extact were able to inhibited the bacterial strain except Staphylococcus oureus- Chloroform extract exhibited effect for Shigella boydii and Streptococcus mutqn. Hexana exhact for Escherichia coli,while methanol extract for Shigelta boydii. All extract showed an effect at the same extend (MC; 50 mg/ml)