Kerai Payung (Filicium decipiens) belongs to the Sapindaceae family, which contains several active compounds that can be used as antibacterial. This study aims to determine secondary metabolites contained in the parasol leaf and the antibacterial activity of n-hexane fraction of the parasol leaf against Staphylococcus epidermidis bacteria. Identification of compound components in the n-hexane fraction of Kerai Payung leaves was carried out qualitatively by TLC using a solvent ratio of n-hexane: ethyl acetate (9:1), (8:2) and (7:3). The best separation result was using nhexane:ethyl acetate (7:3) solvent to produce 7 spots visible at 366 nm UV. The antibacterial activity was tested using the disc diffusion method (Kirby and Bauer diffusion). The concentration variations of the n-hexane fraction were 25%, 50%, 75%, 100%, control (+) cifroploxacin and control (-) DMSO (Dimethyl sulfoxide). The results of the antibacterial test against Staphylococcus epidermidis showed that the average value of the largest inhibition zone diameter was obtained at a concentration of 75%, which was 12.77 mm. The concentration groups of 25%, 50%, and 100% were 9.77 mm, 11.42 mm, 10.75 mm, respectively. Meanwhile, the K(+) group, namely Cifrofloxacin, was 31.95 mm.
The Filicium decipiens (umbrella sunshade) tree, known as ormo kiara ormo or ki soap, belongs to the Sapindaceae family, namely saponin-producing plants which are estimated to have high levels of saponins and toxicity. This study aims to determine the antibacterial activity of the ethyl acetate fraction of parasol leaves against Staphylococcus epidermidis. The extract was macerated using methanol as a solvent. The results of phytochemical screening showed that the parasol leaf contains phenolic compounds, flavonoids, alkaloids, saponins, tannins and steroids. Then proceed with the fractionation process of parasol leaf extract to obtain the n-hexane fraction with liquid:liquid partition using water:ethyl acetate = 1:1 as solvent. The antibacterial activity was tested using the disc diffusion method (Kirby and Bauer diffusion). The concentration variations of the n-hexane fraction were 25%, 50%, 75%, 100%, control (+) cifroploxacin and control (-) DMSO. The highest concentration results were shown at a concentration of 75%, namely 12.52 and a decreasing concentration of 25%, namely 11.12, 100% concentration, 11.02, and 50% concentration, which was 10.62. While the concentration of K(+) namely Cifrofloxacin was 31.95. And shows that the largest concentration is targeted by a concentration of 75% which is 12.52.
Terpenoids screening were carried out using Liebermann Burchard and Salkowski reagent on the extract of Saputangan leaves. It showed that the leaves contained terpenoid compounds with appeared of a reddish brown ring in the extract and a reddish brown stain appeared on the TLC plate tested with 1% CeSO4 reagent in 10% H2SO4. The macerate of saputangan leaves processed separation using the partition method (Liquid-liquid Extraction). Extracts dissolved with methanol were partitioned with n-Hexane and then partitioned between aquadest and ethyl acetate in a ratio of 1: 1 to obtain 50 g of total terpenoids. Furthermore, TLC analysis was performed on total terpenoids using n-hexane: ethyl acetate (80:20 v/v) solvent to obtain 11 separate stains on the TLC plate with different Rf each. Analysis was enhanced in HPLC using 100% acetonitrile and 0.1% phosphoric acid at a wavelength of 210 nm, a flow rate of 0.500 mL/min and eluted for 30 minutes. Based on the HPLC results, there were 25 peaks which indicated the presence of total terpenoid compounds with the highest peak being peak no. 8 (ret.time's 6.234, area's 8503532 and height's 276032), peak no. 9 (ret.time's 6.674, area's 3322572 and height's 141859) and peak no. 10 (ret.time's 7.288, area's 2758231 and height's 103927)
Natural products can be used as an alternative in the treatment of various diseases such as infectious diseases due to the bioactive compounds contained therein. Moreover nowdays, there are many antibiotic resistance in the treatment of infectious diseases. Citrus maxima is one of the natural products. Citrus maxima have been used for many diseases in traditional medicine.The aim of this study was to investigate the antibacterial activity of flavonoid-rich fractions of citrus maxima peel extract. The bioactive compounds contained in Citrus maxima peel were extracted by maceration method using 96% ethanol solvent. Fractionation was conducted using liquid-liquid extraction using a solvent of water and ethyl acetate obtained ethyl acetate fraction. In this fraction, the TLC test was carried out to confirm the presence of phenolic and flavonoid compounds. The antibacterial activity testing for ethyl acetate fraction against S.aureus and E.coli was determined by disk diffusion method with concentration of 25 ppm, 50 ppm, 75 ppm and 100 ppm. The ciprofloxacin and distilled water were used as positive and negative control, respectively. The result of this study showed that ethyl acetate fraction ( flavonoid-rich fractions) Of Citrus Maxima has potential as antibacterial for bacterial S.aureus and E.coli with medium inhibitory ability in all of concentration ranges. The highest inhibition zone for S.aureus was found at a concentration of 100 ppm while for E.coli was at a concentration of 75 ppm.
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