@article{anggraeni_Lingga_2022, title={TEST THE ANTIBACTERIAL ACTIVITY OF ETHANOL EXTRACT OF CRASSOCEPHALUM CREPIDIOIDES LEAF AGAINST STREPTOCOCCUS PYOGENES}, volume={4}, url={https://ejournal.medistra.ac.id/index.php/JFM/article/view/1082}, DOI={10.35451/jfm.v4i2.1082}, abstractNote={<p><em>The ethanol extract of Crassocephalum crepidioides leaves was tested against Streptococcus pyogenes bacteria.</em> <em>Extracts from the leaves of Crassocephalum crepidioides are known to have the potential to suppress microbial growth because contain active compounds of alkaloids and flavonoids.</em> <em>The test was carried out by the diffusion method using disc paper that had been soaked in a solution of ethanol extract of Crassocephalum crepidioides leaves with a concentration of 20%, 30%, 40%, 50%.</em> <em>Amoxicillin as a positive control and DMSO as a negative control.</em> <em>It is known that the inhibition of bacterial growth at a concentration of 20% the inhibition zone is 11mm, the concentration of the inhibition zone of 30% is 11.8mm, the concentration of 40% of the inhibition zone is 12.2mm, the concentration of 50% is the inhibition zone is 12.6mm.</em> <em>The higher the concentration of the ethanol extract of Crassocephalum crepidioides leaves, the wider the area of inhibition against Streptococcus pyogenes bacteria.</em></p>}, number={2}, journal={JURNAL FARMASIMED (JFM)}, author={anggraeni, Ratih and Lingga, Nola Monalisa}, year={2022}, month={Apr.}, pages={121–126} }