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All Journal Jurnal Ilmiah Ibnu Sina (JIIS): Ilmu Farmasi dan Kesehatan Herbal Medicine Journal
Fradine, Chossy
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Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology

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AKTIVITAS ANTIBIOFILM DAN ANTIBAKTERI DAUN BINAHONG (Anredera cordifolia (Ten) Steenis) TERHADAP Pseudomonas aeruginosa Fradine, Chossy; Ismi Rahmawati; Opstaria Saptarini
Jurnal Ilmiah Ibnu Sina (JIIS): Ilmu Farmasi dan Kesehatan 2023: Webinar Nasional & Call For Paper
Publisher : Sekolah Tinggi Ilmu Kesehatan ISFI Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36387/jiis.v8i3.1705

Abstract

Plant in Indonesia that has antibacterial activity is binahong (Anredera cordifolia (Ten.) Stennis). Binahong leaf contains flavonoid, saponins, tannins and terpenoids compounds. The purpose of the study are determining the potential of extracts and fractions (n-hexane, ethyl acetate and water) in inhibiting the formation of biofilms, biofilm degradation and the value of P. aeruginosa bacterial MBC and to determining the working location of the most active binahong leaf fraction. Binahong leaf is extracted by using maceration method with ethanol as solvent. Then the viscous extract is fractionated with n-hexane, ethyl acetate and water. Antibiofilm activity test is carried out using a microplate and absorbance readings using a microplate reader at a wavelength of 595 nm. The antibacterial activity test uses the dilution method. The IC50 value of the biofilm inhibition test on the extract, water fraction, ethyl acetate and n-hexane for P.aeruginosa bacteria was 0,94; 1,21; 1,03; 0,78. The EC50 value of the biofilm degradation test on the extract, n-hexane, ethyl acetat, water e for P. aeruginosa bacteria is 10,95; 16,06; 12,35; 5,92. The minimum bactericidal concentration value of binahong leaf water fraction for P. aeruginosa is 512 mg/ml.
Isolasi dan Uji Aktivitas Enzim Superoksida Dismutase (SOD) dari Bakteri Endofita Daun Tanaman Sukun (Artocarpus altilis) dengan Metode Water Soluble Tetrazolium Salt-1 (Wst-1) Fradine, Chossy; Wulandari, Destik; Purwaningsih, Desi
Herbal Medicine Journal Vol 8 No 2 (2025): Herbal Medicine Journal
Publisher : Program Studi S1 Farmasi, STIKES Senior, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58996/hmj.v8i2.166

Abstract

Endophytic bacteria are bacteria that carry out symbiosis with host plants without causing disease without the host plant. Some endophytic bacteria found in plants are able to produce potential compounds as antioxidants by producing the enzyme SOD (Super Oxide Dismutase). This research aims to determine the results of endophytic bacterial fermentation from the leaves of the breadfruit plant (Artocarpus altilis). This research began with the identification of endophytic bacteria, then continued with the extraction of the SOD enzyme by adding PBS and centrifuging. Purification of the SOD enzyme was carried out using the ammonium sulfate precipitation method. Determination of total protein content using the Lowry method. SOD activity was measured by measuring the percent inhibition value using the Superoxide Dismutase Activity Assay Kit WST-1. The results of the research showed that the isolated bacteria had morphological characteristics in sequence from colony shape, color, size, elevation, edges, cell shape and Gram type for AL 4 bacteria Filamentous, white, medium, flat, Rhizoid, coccus, Gram +, citrate -, Catalase -, for IL11 bacteria Irregular, white, large, flat, entire, bacilli, and Gram +, citrate +, Catalase +. The extraction results from the crude extract produced a sediment weight of 2,915 g for AL4 and 1,653 g for IL11. The total protein content of the crude extract and 30% ammonium sulfate precipitation for isolate AL4 was 1.74 mg/mL and IL11 1.79 mg/ml. Then the percent inhibition value for isolate AL4 with a concentration of 20% was 64.02% and a concentration of 80% was 71.43%.
Co-Authors Desi Purwaningsih Ismi Rahmawati Opstaria saptarini Wulandari, Destik