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Potensi aktivitas antibakteri ekstrak jinten hitam nigella sativa linn terhadap streptococcus pyogenes = Antibacterial activity potency of black cumin extract nigella sativa linn against streptococcus pyogenes
"[Pendahuluan: Penyakit menular di Indonesia masih menjadi permasalahan
utama. Salah satu etiologi ISPA tersering ialah Streptococcus pyogenes. Seiring
meningkatnya angka resistensi bakteri terhadap antibiotik lini utama, ekstrak
Nigella sativa Linn. dikembangkan sebagai alternatif terapi. Biji jintan hitam
(Nigella sativa Linn.) dipercaya memiliki potensi efek antibakteri. Penelitian ini
ditujukan untuk mengetahui potensi aktivitas antibakteri dari ekstrak Nigella
sativa Linn.
Metode: Percobaan dilakukan di Departemen Mikrobiologi Klinik FKUI. Potensi
aktivitas antibakteri diamati melalui tiga percobaan. Percobaan pertama
menggunakan lima konsentrasi berbeda yakni 200 mg/mL, 100 mg/mL, 50
mg/mL, 25 mg/mL, 12,5 mg/mL. Percobaan kedua dan ketiga menggunakan lima
konsentrasi lain, yakni 1000 mg/mL, 500 mg/mL, 250 mg/mL, 125 mg/mL dan
62,5 mg/mL. Ekstrak kemudian diuji secara in vitro dengan metode difusi cara
sumuran, dibandingkan dengan antibiotik amoksisilin 10 ug/mL sebagai kontrol
positif dan larutan akuades sebagai kontrol negatif. Setiap percobaan dilakukan
dengan empat kali pengulangan.
Hasil: Tidak terdapat zona hambat pada sumuran ekstrak Nigella sativa Linn.
Hasil ini berbeda dengan penelitian sebelumnya yang menunjukkan ekstrak
Nigella sativa Linn. memiliki aktivitas antibakteri terhadap S. Pyogenes. Beberapa
faktor yang berpotensi memengaruhi hasil penelitian ialah penggunaan pelarut
ekstrak, sifat dari bahan dasar biji jintan hitam, serta metode uji, Introduction: Infectious diseases in Indonesia are still a major problem. One of
the most common etiology of respiratory infection is Streptococcus pyogenes.
Several studies have shown an increase of antibiotic resistance for treatment of
Streptococcus pyogenes, extracts of Nigella sativa Linn. was developed as an
alternative therapy. Black cumin seeds (Nigella sativa Linn.) is believed to have
the potential antibacterial effect. This study aimed to determine the potential
antibacterial activity of extracts of Nigella sativa Linn.
Methods: Experiments were performed at the Department of Clinical
Microbiology, Faculty of Medicine Universitas Indonesia. Potential antibacterial
activity was observed through three experiments. The first experiments using five
different concentrations of the 200 mg/mL, 100 mg/mL, 50 mg/mL, 25 mg/mL,
12.5 mg/mL. The second and third experiments using five different
concentrations, 1000 mg/mL, 500 mg/mL, 250 mg/mL, 125 mg/mL and 62.5
mg/mL. Extracts were then tested in vitro using agar well plate method, compared
with the antibiotic amoxicillin 10 ug/mL as a positive control and aquades as a
negative control. Each experiment was tested with four repetitions.
Results: There was no inhibition zone on extracts of Nigella sativa Linn. These
results differ from previous studies that showed antibacterial activity of Nigella
sativa Linn. Some of the factors that could potentially influence the outcome of
research is the use of solvent extract, the nature of the basic ingredients of black
cumin seeds, as well as test methods.]"
Fakultas Kedokteran Universitas Indonesia, 2014
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UI - Skripsi Membership  Universitas Indonesia Library
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Potensi efek antibakteri ekstrak jintan hitam (Nigella Sativa LNN.) terhadap bakteri gram negatif Pseudomonas Aeruginosa = Antibacterial effect of black cumin extract (Nigella Sativa LINN.) towards gram negative pseudomonas aeruginosa
"[Di Indonesia, penyakit menular akibat infeksi virus dan bakteri masih
mendominasi penyebab kematian bersama dengan non communicable disease.
Salah satu bakteri yang menyebabkan morbiditas dan mortalitas tinggi serta
resistensi terhadap berbagai antibiotik yaitu bakteri gram negatif, Pseudomonas
aeruginosa.Karena itu diperlukan suatu alternatif antibiotik untuk infeksi bakteri
ini. Tujuan dari penelitian ini adalah untuk menilai efek antibakteri dari ekstrak
Nigella sativa Linn. terhadap bakteri Pseudomonas aeruginosa. Penelitian
dilakukan di Laboratorium Mikrobiologi FKUI dengan desain penelitian
eksperimental secara in vitro menggunakan metode sumuran. Penelitian
menggunakan lima konsentrasi berbeda dari ekstrak Nigella sativa Linn. yaitu 1
g/ml, 0.5 g/ml, 0.25 g/ml, 0.125 g/ml, 0.0625 g/ml dibandingkan dengankontrol
positif yaitu antibiotik siprofloksasin dengan konsentrasi 1 mg/ml dan kontrol
negatif yaitu akuades. Penelitian dilakukan dua kali dengan masing-masing empat
pengulangan. Hasil penelitian menunjukkan tidak terdapat efek antibakteri dari
Nigella sativa Linn. terhadap Pseudomonas aeruginosa., Of all the causes of death in Indonesia, communicable diseases caused by
bacterial and viral infections, along with the non communicable diseases, have
been the leading causes of death. The gram negative bacteria, Pseudomonas
aeruginosa, is one of the causes of high morbidity, mortality, and antibiotic
resistance. For that reason, we need to find another alternative antibiotic choice
for infections caused by this bacteria. The aim of this study is to assess the
antibacterial effect of the Nigella sativa Linn.extract towards Pseudomonas
aeruginosa. This in vitro experimental trial was done in Laboratorium
Mikrobiologi FKUI using the agar welldilution method. This study used five
different concentration ofNigella sativa Linn.extract: 1 g/ml, 0.5 g/ml, 0.25 g/ml,
0.125 g/ml, 0.0625 g/ml. Ciprofloxacin 1mg/ml was used for the positive control
and aquades was used for the negative. The trials were done twice with four
repetitions. The results showed no antibacterial effects of Nigella sativa
Linn.extract towards Pseudomonas aeruginosa.]"
Fakultas Kedokteran Universitas Indonesia, 2014
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UI - Skripsi Membership  Universitas Indonesia Library
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Nasution, Vizzi Alvi Fitrah
Efektivitas antibakteri ekstrak Jinten Hitam Nigella Sativa Linn terhadap Staphylococcus Aureus = Antimicrobial effectiveness of black cumin extract nigella sativa linn against staphylococcus aureus
"Penyakit yang disebabkan oleh infeksi merupakan penyebab kematian tertinggi nomor dua di Indonesia. Staphylococcus aureus (S. aureus) adalah salah satu patogen tersering yang dapat menyebabkan penyakit infeksi. Resistensi terhadap antibiotik untuk mengobati S. aureus adalah masalah yang perlu dicari solusinya. Salah satu alternatif yang digunakan sebagai pengobatan adalah ekstrak Nigella sativa Linn. Penelitian ini bertujuan untuk mengetahui efek antimikroba dari ekstrak Nigella sativa Linn.terhadap bakteri S. aureus. Ekstrak Nigella sativa Linn. diekstrak dari bijinya menggunakan pelarut metanol di Laboratorium Farmasi Fakultas Kedokteran Universitas Indonesia (FKUI) dan kemudian disiapkan dalam lima konsentrasi berbeda, yaitu 1000 mg/mL, 500 mg/mL, 250 mg/mL, 125 mg/mL, dan 62,5 mg/mL. Masing-masing ekstrak kemudian diuji secara in vitro dengan cara sumuran dan dibandingkan dengan kontrol positif antibiotik siprofloksasin 1 mg/mL dan kontrol negatif akuades. Pengujian dilakukan sebanyak dua kali dengan pengulangan masing-masing sebanyak empat kali di Laboratorium Mikrobiologi Klinik FKUI. Hasil penelitian menunjukkan bahwa ekstrak Nigella sativa Linn. tidak memiliki efek antibakteri terhadap S. aureus. Faktor yang dapat memengaruhi hasil penelitian diantaranya adalah sifat bahan dasar, pelarut ekstrak, serta pemilihan metode uji.
Infectious disease is the second cause of death in Indonesia. Staphylococcus aureus (S. aureus) is one of the most pathogen that can cause those diseases. The resistance of antibiotic to treat S. aureus is a problem that needs to be resolved. The alternative treatment which can be used is Nigella sativa Linn.’s extract. This research aimed to find out the antimicrobial effect of Nigella sativa Linn.’s extract against S. aureus. Nigella sativa Linn.’s extract was extracted from the seeds using methanol in the Pharmacy Laboratory of Faculty of Medicine Universitas Indonesia (FMUI). The extract then prepared in five different concentrations : 1000 mg/mL, 500 mg/mL, 250 mg/mL, 125 mg/mL, and 62,5 mg/mL. Each extract was tested in vitro using agar well plate method and compared with ciprofloxacin 1 mg/mL as positive control and aquadest as negative control. The experiment was done twice with each repetition as much as four times in Clinical Microbiology Laboratory of FMUI. The result showed that Nigella sativa Linn.’s extract does not have antimicrobial effect against S. aureus. Some factors that may affected the result were characteristic of the seeds, solvent extract, and the test method."
2014
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UI - Skripsi Membership  Universitas Indonesia Library
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Bramantya Wicaksana
Keampuhan efek antibakteri ekstrak Nigella Sativa Linn, terhadap bakteri Shigella Dysenteriae = Potency antibacteria of nigella sativa linn, to shigella dysenteriae
"Penyakit menular di Indonesia merupakan masalah kesehatan. Salah satu penyakit penyakit menular disentri basiler akibat Shigella dysenteriae. Pengobatan disentri basiler adalah siprofloksasin. Resistensi S. dysenteriae terhadap siprofloksasin sudah terjadi. Berdasarkan studi di Dhana dan Matlab tahun 2010, 4 dari 273 S. dysenteriae mengalami resistensi siprofloksasin. Nigella sativa Linn sudah diketahui memiliki efek antibakteri. Oleh karena itu, penelitian ini ingin menunjukkan apakah ekstrak Nigella sativa Linn memiliki efek antibakteri terhadap Shigella dysenteriae dengan harapan menjadi pengobatan alternatif guna mencegah resistensi siprofloksasin. Ekstrak Nigella sativa Linn dibuat di Laboratorium Farmasi Fakultas Kedokteran Universitas Indonesia (FKUI) dengan pelarut metanol. Peneliti membuat lima konsentrasi yaitu 1000 mg/mL, 500 mg/mL, 250 mg/mL, 125 mg/mL, dan 62.5 mg/mL. Kemudian setiap konsentrasi dilakukan uji in vitro dengan metode difusi cara sumuran dan dibandingkan dengan siprofloksasin (5 μg) sebagai kontrol positif dan akuades sebagai kontrol negatif. Pengujian dilakukan sebanyak dua kali dengan jumlah pengulangan empat kali di Laboratorium Mikrobiologi FKUI. Hasil penelitian menunjukkan bahwa tidak terdapat zona hambat pada ekstrak Nigella sativa Linn. Hasil penelitian ini berbeda dengan penelitian sebelumnya yang menyebutkan bahwa ekstrak Nigella sativa Linn memiliki efek antibakteri terhadap Shigella dysenteriae. Faktor yang mungkin memengaruhi ialah bahan metode penelitian, pelarut ekstrak, dan sifat zat bahan ekstrak.
Infectious diseases in Indonesia is health problem. One of infectious disease is bacillary dycentry that caused by Shigella dysenteriae. First choice of treatment bacillary dycentry is ciprofloxacin. Resistance Shigella dysenteriae to ciprofloxacin is already known. Study in Dhana and Matlab 2010 show that 4 of 273 Shigella dysenteriae are resistance to ciprofloxacin. Nigella sativa Linn is already know have antibacterial effect. Therefore, this research want to know effect antibacterial Nigella sativa Linn against Shigella dysenteriae for the solution of alternative treatment bacillary dycentry to reduce occurrence resistance ciprofloxacin. Nigella sativa Linn extract was made at Laboratory of Pharmacy Faculty of Medicine Universitas Indonesia (FMUI) with methanol as solvent. Five concentrations was made: 1000 mg/mL, 500 mg/mL, 250 mg/mL, 125 mg/mL, and 62.5 mg/mL. Then, each concentration extract was tested in vitro using agar well plate method and compared to ciprofloxacin (5 μg) as positive control and aquades as negative control. Test are conduceted twice the number of repetitions four times in Laboratory of Microbiology FMUI. Result showed that there was no inhibition zone on extracts Nigella sativa Linn. This result differs from previous research that says extracts Nigella sativa Linn has an antibacterial effect against Shigella dysenteriae. Factors that may contribute to this research are method, solvent extracts, and extract material substance."
Depok: Fakultas Kedokteran Universitas Indonesia, 2014
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UI - Skripsi Membership  Universitas Indonesia Library
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Nurul Gusti Khatimah
Pengaruh Ekstrak Daun Moringa oleifera Lamk. sebagai Antibakteri terhadap Streptococcus pyogenes = The Influence of Moringa oleifera Lamk. Leaf Extract as An Antibacterial against Streptococcus pyogenes
"ABSTRAK
Infeksi Streptococcus pyogenes paling sering menyebabkan faringitis. Terdapat 10% populasi yang alergi terhadap penisilin sebagai terapi lini pertama, sehingga diberikan alternatif berupa eritromisin. Namun, S. pyogenes dilaporkan resisten terhadap eritromisin dan dapat menyebabkan kematian. Moringa oleifera Lamk. merupakan tumbuhan yang banyak ditemui di Indonesia dan diketahui memiliki efek antibakteri. Tujuan penelitian ini untuk mengetahui efek antibakteri ekstrak daun M. oleifera Lamk. terhadap S. pyogenes. Penelitian ini menggunakan ekstrak daun M. oleifera Lamk. dengan metode makrodilusi untuk melihat nilai Konsentrasi Hambat Minimum (KHM) dan Konsentrasi Bunuh Minimum (KBM) terhadap S. pyogenes. Ekstrak dibagi menjadi konsentrasi 150 mg/mL, 75 mg/mL, 37,50 mg/mL, 18,75 mg/mL, dan 9,38 mg/mL dengan kontrol positif berupa media dengan bakteri dan media dengan DMSO dan bakteri, serta kontrol negatif berupa media, ekstrak, antibiotik, dan antibiotik dengan bakteri. Antibiotik yang digunakan adalah amoksisilin dan inokulum bakteri dibuat berdasarkan standar McFarland 0,5. Jumlah koloni bakteri pada seluruh uji dan kontrol dihitung dengan metode pour plate, dan hasil jumlah koloni yang didapat dianalisis menggunakan SPSS dengan uji normalitas Shapiro-Wilk dan uji ANOVA. Ekstrak daun M. oleifera Lamk. memiliki efek antibakteri terhadap S. pyogenes dengan nilai KHM 18,75 mg/mL dan KBM 37,50 mg/mL dengan hasil perhitungan jumlah koloni didapatkan data terdistribusi normal dengan rerata dan standar deviasi pada KHM sebesar 22,50 ± 6,091. Uji ANOVA menunjukkan terdapat perbedaan bermakna (p<0,05) dengan uji Post Hoc Bonferroni terdapat perbedaan bermakna (p<0,05) antara KHM dengan konsentrasi 9,38 mg/mL dan KHM dengan masing-masing kontrol positif, sedangkan antara kedua kontrol positif tidak terdapat perbedaan bermakna (p>0,05).
ABSTRACT
Streptococcus pyogenes infection mostly causes pharyngitis. Penicilin as the first-line therapy is not used by 10% of the population because of alergic reaction, so as an alternative therapy erythromisin is given. However, S. pyogenes is reported resistant to erytromycin and causes mortality. Moringa oleifera Lamk. abundantly grows in Indonesia and is known to have an antibacterial effect. This research is conducted to determine the antibacterial effect of M. oleifera Lamk. leaf extract against S. pyogenes. This research used M. oleifera Lamk. leaf extract to see Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) against S. pyogenes using macrodilution method. The extract is divided into 5 concentrations such as 150 mg/mL, 75 mg/mL, 37.50 mg/mL, 18.75 mg/mL, and 9.38 mg/mL with positive controls such as medium with bacteria, and medium with DMSO and bacteria, and negative controls such as medium, extract, antibiotic, and antibiotic with bacteria. The antibiotic that is used in this research is amoxicillin and the inoculum of bacteria is made using McFarland 0.5 standard. Colony counting among all samples and controls is conducted using pour plate method, and the results are analyzed using normality test Shapiro-Wilk and ANOVA test using SPSS. M. oleifera Lamk. leaf extract has an effect as an antibacterial against S. pyogenes with MIC in concentration 18.75 mg/mL and MBC in concentration 37.50 mg/mL. The result of colony counting is distributed normally with mean ± standard deviation in MIC is 22.50 ± 6.091. Both ANOVA test and Post Hoc Bonferroni test show that there are statistically significant (p<0.05). Between MIC and concentration 9.38 mg/mL and MIC with each positive control are statistically significant (p<0.05), while between each positive control is not statistically significant (p>0.05).
"
Jakarta: Fakultas Kedokteran Universitas Indonesia, 2019
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UI - Skripsi Membership  Universitas Indonesia Library
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Pradipta
The Role of Papaya seeds (Carica papaya L) in rthanol 96% as an antibacterial agent for streptococcus pyogenes = Pengaruh dan efek dari ekstrak biji pepaya dalam ethanol 96% sebagai agen antibakterial bagi Streptococcus pyogenes
"Penyakit infeksi masih menjadi masalah kesehatan di Indonesia, dimana salah satu bakteri penyebabnya adalah Streptococcus pyogenes. Bakteri ini dapat menyebabkan penyakit-penyakit penting mulai dari infeksi kulit hingga penyakit yang dapat membahayakan nyawa seperti glomerulonephritis. Hingga saat ini, penyembuhan untuk bakteri Streptococcus pyogenes masih bergantung dengan antibiotik jenis penicillin maupun ciprofloxacin. Penelitian ini bertujuan untuk mengetahui apakah ekstrak biji pepaya (Carica papaya L) memiliki aktivitas antibakteri terhadap bakteri Streptococcus pyogenes dengan melihat konsentrasi hambat minimum (KHM) dan konsentrasi bunuh minimum (KBM). Penelitian ini dilakukan menggunakan uji in-vitro dengan cara mikrodilusi tabung. Ekstrak biji pepaya digunakan dengan variasi konsentrasi 16.5%, 11%, 8.25%, dan 5.5%. KHM ekstrak biji pepaya ditemukan pada konsentrasi 16.5% ditandai dengan larutan yang bening pada tabung dengan konsentrasi ekstrak sebesar 16.5%. Dilain pihak, KBM ekstrak biji pepaya ditemukan pada konsentrasi 5.5%, yang ditandai dengan tidak adanya pertumbuhan koloni bakteri pada agar darah. Dengan demikian, dapat disimpulkan bahwa ekstrak biji pepaya berpotensi sebagai agen antibakteri untuk melawan bakteri Streptococcus pyogenes
Nowadays, infection is still a major problem in Indonesian health management. Streptococcus pyogenes is an example of a bacteria that needs more attention since it can cause a mild infection on skin untill a deadly infection such as glomerulonephritis. In Indonesia, treatment for Streptococcus pyogenes infection is still heavily dependent on the use of penicillin or ciprofloxacin. This reasearch’s objective is to discover if papaya’s seed (Carica papaya L) has an antibacterial activity for Streptococcus pyogenes by measuring the Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC). This reasearch was done by in vitro test using a microdilution tube. Papaya’s seed extracted in varied concentration which is 16.5%, 11%, 8.25%, and 5.5%. The results showed that Minimum Inhibition Concentration (MIC) of papaya’s seed extract concentration is 16.5% shown by a clean solution in tube. On the other hand, Minimum Bactericidal Concentration (MBC) of papaya’s seed extract is 5.5% with no colony growth found in the blood agar specimen. In conclusion, papaya’s seed extract has a good potential to be an antibacterial to treat Sptretococcus pyogenes."
Jakarta: Fakultas Kedokteran Universitas Indonesia , 2017
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UI - Skripsi Membership  Universitas Indonesia Library
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Mirza Suranta Hanafiah
Potensi Ekstrak Etanol Daun Centella asiatica Sebagai Antimikroba Terhadap Streptococcus pyogenes ATCC 19615 = Potential of Ethanol Extract of Centella asiatica Leaves as Antimicrobial against Streptococcus pyogenes ATCC 19615
"Latar Belakang Streptococcus pyogenes (S. pyogenes) adala bakteri penyebab berbagai penyakit, mulai dari faringitis, pioderma, serta penyakit pasca Streptococcus seperti demam rematik dan glomerulonefritis. Penelitian sebelumnya menunjukkan bahwa beberapa strain S. pyogenes telah resisten terhadap beberapa antibiotik sehingga diperlukan terapi baru. Centella asiatica (C. asiatica) adalah tanaman herbal yang berpotensi menghambat pertumbuhan berbagai bakteri. Penelitian ini bertujuan untuk mengukur Minimum Inhibitory Concentration (MIC) dari ekstrak etanol 70% C. asiatica terhadap S. pyogenes untuk mengevaluasi potensinya sebagai agen antibakteri. Metode Nilai Minimum Inhibitory Concentration (MIC) diukur menggunakan metode broth dilution dimana pada 10 tabung akan ditambahkan berbagai konsentrasi ekstrak C. asiatica mulai dari 750 hingga 1,46 mg/ml. Setelah penambahan 1 μl S. pyogenes dengan kekeruhan McFarland 0,5, tabung-tabung tersebut diinkubasi selama 24 jam pada suhu 35°C. Kekeruhan tabung kemudian diamati; kaldu yang tetap jernih menandakan terhambatnya pertumbuhan bakteri, sedangkan kaldu yang keruh menandakan adanya pertumbuhan bakteri. Minimum Inhibitory Concentration (MIC) adalah konsentrasi ekstrak terendah yang dapat menghambat pertumbuhan bakteri. Hasil MIC ditemukan pada konsentrasi 375 mg/ml, yang merupakan konsentrasi ekstrak terendah yang efektif menghambat pertumbuhan S. pyogenes. Pada konsentrasi yang lebih rendah, tabung tetap terlihat keruh. Hasil ini konsisten dalam tiga percobaan terpisah, yang semuanya dilakukan secara duplo. Kesimpulan Penelitian ini menemukan bahwa ekstrak etanol 70% dari daun C. asiatica memiliki sifat antibakteri terhadap S. pyogenes pada konsentrasi 375 mg/ml.
Introduction Streptococcus pyogenes (S. pyogenes) can cause various infections, from pharyngitis, pyoderma, and post-streptococcal diseases such as rheumatic fever and glomerulonephritis. Previous studies have shown that some strains of S. pyogenes have become resistant to several antibiotics, requiring new therapies. Centella asiatica (C. asiatica) is an herbal plant that has the potential to inhibit the growth of various bacteria. This study aims to measure the Minimum Inhibitory Concentration (MIC) of 70% ethanol extract of C. asiatica against S. pyogenes to evaluate its potential as an antibacterial agent. Method The Minimum Inhibitory Concentration (MIC) value was measured using the broth dilution method where 10 tubes were added with various concentrations of C. asiatica extract ranging from 750 to 1.46 mg/ml. After the addition of 1 μl of S. pyogenes with a McFarland turbidity of 0.5, the tubes were incubated for 24 hours at 35°C. The turbidity of the tubes was then observed; broth that remained clear indicated inhibition of bacterial growth, while turbid broth indicated bacterial growth. Minimum Inhibitory Concentration (MIC) is the lowest concentration of extract that can inhibit bacterial growth. Results The MIC was found at a concentration of 375 mg/ml, which is the lowest concentration of extract that effectively inhibits the growth of S. pyogenes. At lower concentrations, the tubes remained cloudy. These results were consistent across three separate experiments, all of which were performed in duplicate. Conclusion This study found that 70% ethanol extract of C. asiatica leaves has antibacterial properties against S. pyogenes at a concentration of 375 mg/ml."
Jakarta: Fakultas Kedokteran Universitas Indonesia, 2024
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UI - Skripsi Membership  Universitas Indonesia Library
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Potensi ekstrak Nigella Sativa Linn sebagai antibakteri Salmonella TYPHI = The potential of nigella sativa linn extract as an antibacterial agent for salmonella TYPHI
"[Dari tahun ke tahun, terdapat kecenderungan peningkatan prevalensi kasus penyakit demam tifoid yang disebabkan oleh bakteri Salmonella typhi. Telah banyak dilaporkan hasil penelitian mengenai aktivitas antibiotik untuk menangani infeksi S. typhi yang sudah tidak sensitif. Oleh karena itu diperlukan tatalaksana alternatif untuk infeksi S. typhi. Di berbagai negara, Nigella sativa Linn. dipercaya oleh masyarakat untuk mengobati berbagai macam penyakit. Tujuan dari penelitian ini adalah untuk mengetahui potensi ekstrak Nigella sativa Linn. sebagai antibakteri Salmonella typhi. Penelitian dilakukan di Laboratorium Mikrobiologi Klinik Fakultas Kedokteran Universitas Indonesia dengan desain eksperimental secara in vitro pada agar nutrisi menggunakan metode difusi cara sumuran. Nigella sativa Linn. diuji potensinya sebagai antibakteri dalam bentuk ekstrak dengan pelarut metanol pada konsentrasi 1000 mg/mL, 500 mg/mL, 250 mg/mL, 125 mg/mL, dan 62,5 mg/mL sebanyak empat kali pengulangan, serta diukur dalam bentuk zona hambat yang dibandingkan dengan larutan antibiotik siproflokasasin konsentrasi 5 μg/mL sebagai kontrol positif dan akuades sebagai kontrol negatif. Penelitian menunjukan bahwa ekstrak Nigella sativa Linn. tidak berpotensi sebagai antibakteri Salmonella typhi., There is a trend of increasing prevalence of typhoid fever cases caused by Salmonella typhi. It has been widely reported, some research results on the activity of antibiotics to deal with S. typhi infections that are not sensitive. Therefore, we need an alternative for the treatment of S. typhi infection. In many countries, Nigella sativa Linn. is trusted by the community to treat various diseases. The purpose of this study was to determine the potential of Nigella sativa Linn. extract as an antibacterial agent for Salmonella typhi. The study was conducted at the Laboratory of Clinical Microbiology, Faculty of Medicine, Universitas Indonesia with experimental design, in vitro on nutrient agar using well diffusion method. The potential of Nigella sativa Linn. was tested in the form of extract with methanol at a concentration of 1000 mg/mL, 500 mg/mL, 250 mg/mL, 125 mg/mL, and 62.5 mg/mL, four times repetition, and measured in terms of inhibition zone that were compared to antibiotic ciprofloxacin solution at a concentration of 5 mg/mL as a positive control and to distilled water as a negative control. The experiment showed that the extract of Nigella sativa Linn. has no potential as an antibacterial agent for Salmonella typhi.]"
Fakultas Kedokteran Universitas Indonesia, 2014
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UI - Skripsi Membership  Universitas Indonesia Library
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Dwitya Wilasarti
Potensi Ekstrak Jinten Hitam (Nigella sativa Linn..) sebagai Agen Antibakteri Escherichia coli = The Potential of Black Cumin (Nigella sativa Linn.) Extract as Antibacterial Agent for Escherichia coli
"[ABSTRAK
Penyakit diare masih merupakan masalah serius di Indonesia, terutama pada anak-anak. Salah satu patogen tersering penyebab diare adalah Escherichia coli, terutama ETEC. Penggunaan Nigella sativa untuk berbagai penyakit sudah diteliti, namun hasil penelitian terhadap Escherichia coli belum konklusif. Oleh karena itu dilakukan percobaan untuk mengetahui potensi antibakteri Nigella sativa Linn. terhadap Escherichia coli. Penelitia dilakukan di Laboratorium Mikrobiologi FKUI secara in vitro, menggunakan metode sumuran. Konsentrasi ekstrak N. sativa yang digunakan ialah 1000 mg/ml, 500 mg/ml, 250 mg/ml, 125 mg/ml, dan 62,5 mg/ml, dengan siprofloksasin sebagai kontrol positif dan akuades sebagai kontrol negatif. Percobaan dilakukan tiga kali dengan pengulangan masing-masing empat kali. Pada penelitian ini tidak ditemukan adanya efek antibakteri Nigella sativa Linn. terhadap Escherichia coli. Hal ini dapat disebabkan oleh karakteristik Nigella sativa di Indonesia
ABSTRACT
Diarrhea is still a serious problem in Indonesia, especially in children. One of the most common pathogen causing diarrhea is Escherichia coli, particularly ETEC. The use of Nigella sativa for various diseases have been studied, but the results of a study of Escherichia coli has not been conclusive. Therefore an experiment is conducted to determine the antibacterial activity of Nigella sativa Linn. against Escherichia coli. The experiment is conducted at the Laboratory of Microbiology Faculty of Medicine in vitro, using agar dilution method. N. sativa extract concentration used was 1000 mg / mL, 500 mg / mL, 250 mg / mL, 125 mg / ml, and 62.5 mg / ml, with ciprofloxacin as a positive control and distilled water as a negative control. Experiments were performed three times with each repetition of four times. The study results show no antibacterial effects of Nigella sativa Linn. against Escherichia coli. It can be caused by the characteristics of Nigella sativa in Indonesia;Diarrhea is still a serious problem in Indonesia, especially in children. One of the most common pathogen causing diarrhea is Escherichia coli, particularly ETEC. The use of Nigella sativa for various diseases have been studied, but the results of a study of Escherichia coli has not been conclusive. Therefore an experiment is conducted to determine the antibacterial activity of Nigella sativa Linn. against Escherichia coli. The experiment is conducted at the Laboratory of Microbiology Faculty of Medicine in vitro, using agar dilution method. N. sativa extract concentration used was 1000 mg / mL, 500 mg / mL, 250 mg / mL, 125 mg / ml, and 62.5 mg / ml, with ciprofloxacin as a positive control and distilled water as a negative control. Experiments were performed three times with each repetition of four times. The study results show no antibacterial effects of Nigella sativa Linn. against Escherichia coli. It can be caused by the characteristics of Nigella sativa in Indonesia;Diarrhea is still a serious problem in Indonesia, especially in children. One of the most common pathogen causing diarrhea is Escherichia coli, particularly ETEC. The use of Nigella sativa for various diseases have been studied, but the results of a study of Escherichia coli has not been conclusive. Therefore an experiment is conducted to determine the antibacterial activity of Nigella sativa Linn. against Escherichia coli. The experiment is conducted at the Laboratory of Microbiology Faculty of Medicine in vitro, using agar dilution method. N. sativa extract concentration used was 1000 mg / mL, 500 mg / mL, 250 mg / mL, 125 mg / ml, and 62.5 mg / ml, with ciprofloxacin as a positive control and distilled water as a negative control. Experiments were performed three times with each repetition of four times. The study results show no antibacterial effects of Nigella sativa Linn. against Escherichia coli. It can be caused by the characteristics of Nigella sativa in Indonesia, Diarrhea is still a serious problem in Indonesia, especially in children. One of the most common pathogen causing diarrhea is Escherichia coli, particularly ETEC. The use of Nigella sativa for various diseases have been studied, but the results of a study of Escherichia coli has not been conclusive. Therefore an experiment is conducted to determine the antibacterial activity of Nigella sativa Linn. against Escherichia coli. The experiment is conducted at the Laboratory of Microbiology Faculty of Medicine in vitro, using agar dilution method. N. sativa extract concentration used was 1000 mg / mL, 500 mg / mL, 250 mg / mL, 125 mg / ml, and 62.5 mg / ml, with ciprofloxacin as a positive control and distilled water as a negative control. Experiments were performed three times with each repetition of four times. The study results show no antibacterial effects of Nigella sativa Linn. against Escherichia coli. It can be caused by the characteristics of Nigella sativa in Indonesia]"
Depok: Fakultas Kedokteran Universitas Indonesia, 2015
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Ajrina Busri
Efek antibakteri ekstrak etanol temulawak terhadap dual species streptococcus mutans dan streptococcus sanguinis (in vitro) = Antibacterial effect of java tumeric ethanol extract against dual species streptococcus mutans and streptococcus sanguinis (in vitro)
"Latar belakang: Kadar Bunuh Minimal (KBM) ekstrak etanol temulawak (Curcuma xanthorriza Roxb.) terhadap Streptococcus mutans 25% dan 15% terhadap Streptococcus sanguinis single species (in vitro). Streptococcus mutans dan Streptococcus sanguinis saling berkompetisi untuk memperoleh nutrisi.
Tujuan: Menganalisis efek antibakteri ekstrak etanol temulawak terhadap dual species Streptococcus in vitro.
Metode: Uji antibakteri dengan metode perhitungan koloni dan kuantifikasi dengan Real-time PCR. Analisis data menggunakan Kruskal Wallis, Mann-Whitney dan Unpaired T-test.
Hasil: KHM ekstrak etanol temulawak terhadap dual species Streptococcus 0,2% dan KBM 10%. Di dalam biofilm dual species Streptococcus, proporsi S.mutans lebih tinggi daripada S. sanguinis (p<0.05).
Simpulan: Konsentrasi efektif ekstrak etanol temulawak sebagai antibakteri terhadap S.mutans dan S.sanguinis dalam dual species lebih rendah dari pada terhadap kedua bakteri tersebut sebagai single species. Di dalam biofilm dual species, S. sanguinis lebih sensitif terhadap ekstrak temulawak daripada S.mutans.
Background: Minimal Bactericidal Concentration (MBC) of Java turmeric (Curcuma xanthorriza Roxb.) ethanol extract against Streptococcus mutans is 25% and 15% against Streptococcus sanguinis. In dental biofilm S.mutans and S.sanguinis competes each other to obtain nutrients.
Objectives: Analize the antibacterial effect of Java tumeric ethanol extract (MIC and MBC) against dual species Streptococcus in vitro.
Methods: Antibacteria activity of the extract was analyzed by measuring the growth of the bacteria after being exposed to the extract by counting colony formation and by quantifying the existing bacterial cell number using real-time PCR. Statistic analysis using Kruskal Wallis, Mann Whitney test and Unpaired t-test.
Results: The MIC of the extract was 0,2% and the MBC was 10%. After exposure of the extract to the dual species biofilm, the growth of S.mutans was higher than S.sanguinis (p<0,05).
Conclutions: Java tumeric ethanol extract is more effective against S.mutans and S.sanguinis as dual species Streptococcus than as single species. S.sanguinis is more sensitive to Java tumeric ethanol extract than S. mutans."
Jakarta: Fakultas Kedokteran Gigi Universitas Indonesia, 2013
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