Uji Daya Hambat Perasan Lengkuas Merah (Alpinia Purpurata) (Vicill.) (K.Sch.) Terhadap Pertumbuhan Bakteri Staphylococcus Aureus

Red galangal is a plant that belongs to the Zingiberaceae group that can live in the highlands and lowlands. Red galangal has chemical properties namely flavonoids, phenols, terpenoids, tannins which can be used as a treatment for skin diseases such as scabies, tinea versicolor, ringworm and burns which are often caused by Staphylococcus aureus bacteria. This study aims to determine the inhibition of red galangal juice on the growth of Staphylococcus aureus. This study uses an experimental method using the disc diffusion method. The sampling technique uses a purposive sampling technique. The sample used in this study was the extract of red galangal rhizome. The results showed that red ginger juice could inhibit the growth of Staphylococcus aureus at a concentration of 60% obtained by inhibition zones 13.88, 80% concentrations obtained by inhibition zones 16.5 and 100% concentrations obtained by inhibition zones 18.33 mm and included in the category.