Antibacterial and antispore activities of Sengkubak Pycnarrhena cauliflora (Miers.) Diels leaf extract against Bacillus spp.

Sengkubak [Pycnarrhena cauliflora (Miers.) Diels], a liana plant used as a spice in Dayak cuisine, has been reported to possess antimicrobial activity. However, the antibacterial and antispore activities of its methanolic and ethanolic leaf extracts against Bacillus species are not well-known. In this study, the antibacterial properties of P. cauliflora leaf extracts were evaluated against four Bacillus strains. The susceptibility test was conducted using the disc diffusion assay, minimum...