Phytochemical screening of kaempferia galanga l. Rhizome in Banguntapan, Bantul, yogyakarta

Abstract

The rhizome of Kaempferia galanga L. is a medicinal plant with many benefits for human health. Kaempferia galanga L. rhizome extract has long been used in traditional medicine because it contains active compounds that have potential as medicinal ingredients. The place where Kaempferia galanga L. rhizomes are taken can affect the compounds contained therein. This research aimed to determine the secondary metabolites in Kaempferia galanga L. rhizomes harvested in Banguntapan, Bantul Regency, Yogyakarta. This type of research is qualitative and quantitative. The research design is experimental. The method used for extraction is maceration using 96% ethanol solvent. Phytochemical screening for alkaloids, phenols, flavonoids, essential oils, and tannins is carried out by adding color reagents and observing color changes in the ethanol extract of Kaempferia galanga L rhizomes. The data analysis used
in this research is descriptive by interpreting the results of the tables presented in this research. The percentage yield from ethanol extraction of Kaempferia galanga L. rhizomes was 14.89%. The phytochemical screening test of the ethanol extract of Kaempferia galanga L. rhizomes showed that the test results with Mayer's reagent were positive for alkaloids (white precipitate), positive for FeCl3 for phenols and tannins (blackish green), concentrated HCl and Mg positive for flavonoids (orange), cheerful for anisaldehyde-sulphuric acid solution for essential oil (red). Screening results using Dragendorff and Wagner reagents produced negative alkaloids (no orange and brown precipitates). Based on the results of this research conclude that the ethanol extract of Kaempferia galanga L. from the Banguntapan area, Bantul Regency, Yogyakarta, positively had phytochemical contents such as alkaloids, phenols, flavonoids, essential oils, and tannins