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All Journal Biomedika Jurnal Teknologi Laboratorium
Sudarmanto, I Gede
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The potential of traditional balinese spices against the growth of Salmonella sp in vitro Jirna, I Nyoman; Sudarmanto, I Gede; Kurniawan, Surya Bayu; Ratih, Gusti Ayu Made; Rasyid, Burhannuddin
Jurnal Teknologi Laboratorium Vol 9 No 1 (2020): 2020 (1)
Publisher : POLTEKKES KEMENKES YOGYAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29238/teknolabjournal.v9i1.200

Abstract

Prevention by utilizing medicinal plants can be used as an alternative treatment. This study aims to identify active antimicrobial substances and test the antimicrobial potential of traditional Balinese spices, namely Basa Selem, Basa Gede, Basa Wangen, Basa Bawang Jahe, and Basa Rajang against Salmonella sp bacteria in vitro. The True-experimental method with Posttest only-control design was used in this study, by intervening in the treatment group as well as the presence of positive and negative controls. The maceration method with 96% EtOH solvent was used to extract active substances and identify the levels of antimicrobial active substances. The TLC Spectrophotodensitometer instrument and the diffusion method (discs) were used to test antimicrobial potential. Data analysis was performed using the one-way ANOVA test. All five samples showed flavonoids, alkaloids, tannins, and phenols in qualitative tests. Based on quantitative test results of five samples, the highest compound content obtained in Basa Wangen (6.66 mg/ml of tannins), Basa Gede (3.74 mg/ml of flavonoids), Basa Bawang Jahe (2.49 mg/ml of tannins), Basa Selem (2.87 mg/ml of tannin), and Basa Rajang (6.96 mg/ml of flavonoids). There are differences in the antimicrobial potential of various types of traditional Balinese spices against the growth of Salmonella sp in vitro (sig = 0.037). The traditional Balinese spices have the antimicrobial potential of the intermediate category with a range of inhibition (16-20 mm) based on the NCCLS standard.
ISOLASI DAN UJI AKTIVITAS ANTIMIKROBA BAKTERI ASAM LAKTAT DARI BLONDO VIRGIN COCONUT OIL TERHADAP BAKTERI Staphylococcus aureus Rasyid, Burhannuddin; Sandi, Ketut Meina; Sudarmanto, I Gede; Karta, I Wayan
Biomedika Vol 13, No 1 (2021): Biomedika Februari 2021
Publisher : Universitas Muhamadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/biomedika.v13i1.11070

Abstract

ABSTRAKBlondo merupakan limbah produksi virgin coconut oil (VCO) dapat menjadi sumber untuk mengisolasi bakteri asam laktat. Bakteri asam laktat mampu menghasilkan zat antimikroba yang dapat dikembangkan untuk mengobati kasus infeksi oleh bakteri Staphylococcus aureus. Bakteri Staphylococcus aureus dapat menyebabkan infeksi mulai dari keracunan makanan, infeksi kulit hingga infeksi sistemik. Penelitian ini bertujuan untuk mengisolasi dan menguji aktivitas antimikroba bakteri asam laktat dari blondo terhadap bakteri Staphylococcus aureus.  Penelitian ini merupakan penelitian deskriptif cross-sectional. Sampel blondo diambil dari kelompok wanita tani di Tabanan yang berjumlah 16 sampel dengan pengambilan sampel secara simple random sampling.  Bakteri diisolasi menggunakan media selektif yaitu agar de Man Rogosa and Sharpe (MRS) dan identifikasi dengan uji pewarnaan gram, uji katalase dan uji produksi gas dari glukosa. Uji aktivitas antimikroba bakteri asam laktat dilakukan dengan menggunakan metode difusi sumuran. Hasil penelitian ini menunjukkan bahwa di dalam sampel blondo terdapat bakteri asam laktat dari genus Lactobacillus dan Streptococcus. Bakteri asam laktat yang diisolasi dari blondo VCO mampu menghambat Staphylococcus aureus dengan terbentuknya zona hambat berupa zona bening dengan rata-rata diameter zona hambat 11,02 mm. Zona hambat yang terbentuk termasuk dalam kategori sedang dan kuat, dengan zona hambat tertinggi yang dihasilkan yaitu 20,8 mm dan terendah yaitu 9,2 mm.  Bakteri asam laktat dari blondo memiliki aktivitas antimikroba terhadap bakteri Staphylococcus aureus.Kata Kunci: Bakteri Asam Laktat, Blondo, Potensi Antimikroba ABSTRACTBlondo is a waste from the virgin coconut oil (VCO) producted which can be used as a source of lactic acid bacteria. Lactic acid bacteria are capable of producing antimicrobial compounds to inhibit the growth of pathogenic bacteria. The purpose of this study was to isolate and test the antimicrobial activity of lactic acid bacteria from blondo against Staphylococcus aureus bacteria. This research is a descriptive cross¬-sectional. Blondo samples were taken at group of farm women in Tabanan Regency, which was 16 samples with simple random sampling. Bacteria were isolated using selective medium de Man Rogosa and Sharpe (MRS) agar and identified with gram staining test, catalase test and gas production test from glucose. The antimicrobial activity test of lactic acid bacteria  was performed by using wells-diffusion method. The results of this study indicated there was lactic acid bacteria from the genus Lactobacillus and Streptococcus in the blondo sample. Lactic acid bacteria isolated from blondo were able to inhibit Staphylococcus aureus by forming a clear zone with an average diameter of inhibition zone was 11.02 mm. There were two antimicrobial potential category, medium and strong category, with the highest resulting inhibit zone was 20.8 mm and the lowest was 9.2 mm. Lactic acid bacteria from blondo had antimicrobials potential against Staphylococcus aureus Keywords: Lactic Acid Bacteria, Blondo, Antimicrobial Potential
Co-Authors Burhannuddin I Nyoman Jirna, I Nyoman I Wayan Karta Kurniawan, Surya Bayu Ratih, Gusti Ayu Made Sandi, Ketut Meina