scholarly journals UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL BAWANG DAYAK (Eleutherine americana Merr) TERHADAP BAKTERI Staphylococcus aureus, Escherichia coli DAN Salmonella typhi

PHARMACON ◽  
2020 ◽  
Vol 9 (4) ◽  
pp. 525
Author(s):  
Rafi’a Adinda Putri ◽  
Herny E.I. Simbala ◽  
Deby A. Mpila
Keyword(s):  
Antibacterial Activity ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Salmonella Typhi ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
E Coli ◽  
Activity Test ◽  
Paper Disk ◽  
Eleutherine Americana

ABSTRACTDayak onions (Eleutherine americana Merr) has been used as a traditional plant which has  benefits  for  many  diseases,  one  of  them  is  antibacterial. This study aims to determine the growth inhibition of ethanol extract of Dayak onions leaves on the bacterium S. aureus, E. coli and  S. typhi using three concentrations of 20%, 40% and 60%. Extraction was done by maceration method using ethanol 96%. Antibacterial activity test was performing using the paper disk diffusion method (Kirby-Bauer diffusion). The results showed that ethanol extract of bawang dayak has the potential as an antibacterial and has antibacterial strength against S. aureus, E. coli and S. typhi. At concentrations of 20%, 40% and 60% forming inhibition zone diameters (16.23 mm, 19.18 mm, 21.25 mm) S. aureus, (10.7 mm, 13.98 mm, 15.87 mm) E. coli, and  (14.43 mm, 14.6 mm, 17.2 mm) S. typhi. At concentration of 20%, 40% and 60% included strong groups to inhibit E. coli and  S. typhi, while at concentration of 60%, it is included in a very strong group to inhibit the S. aureus bacteria. Keywords: Antibacterial activity, Bawang Dayak , Kirby-Bauer diffusion method   ABSTRAK Bawang Dayak (Eleutherine americana Merr) telah digunakan sebagai tanaman tradisional yang bermanfaat bagi banyak penyakit salah satunya sebagai antibakteri. Penelitian ini bertujuan untuk mengetahui ekstrak etanol bawang dayak terhadap bakteri S. aureus, E.coli dan S. typhi menggunakan tiga kosentrasi yaitu 20%, 40% dan 60%. Ekstraksi dilakukan dengan metode maserasi menggunakan etanol 96%. Pengujian aktivitas antibakteri dilakukan dengan  menggunkan metode difusi dengan cakram kertas (difusi Kirby-Bauer). Hasil penelitian menunjukkan bahwa ekstrak etanol bawang dayak berpotensi sebagai antibakteri dan memiliki kekuatan antibakteri terhadap S. aureus, E. coli dan S. typhi. Pada konsentrasi 20%, 40% dan 60% membentuk diameter zona hambat (16.23 mm, 19.18 mm, 21.25 mm) pada S. aureus, (10.7 mm, 13.98 mm, 15,87 mm) pada E. coli, (14.43 mm, 14.6 mm, 17.2 mm) pada S. typhi. Pada konsentrasi 20%, 40% dan 60% termasuk golongan kuat untuk menghambat bakteri E. coli dan S. typhi, sedangkan pada konsentrasi 60% termasuk dalam golongan sangat kuat untuk menghambat bakteri S. aureus. Kata kunci: Aktivitas antibakteri, Bawang Dayak, metode difusi Kirby-Bauer

scholarly journals UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL RIMPANG KUNYIT (Curcuma longa L.) TERHADAP Staphylococcus aureus DAN Pseudomonas aeruginosa

2019 ◽  
Vol 4 (1) ◽  
pp. 278-287
Author(s):  
Lia Fikayuniar ◽  
Neni Sri Gunarti ◽  
Mellya Apriliani
Keyword(s):  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Curcuma Longa ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Negative Control ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Paper Disk

ABSTRAK Kunyit (Curcuma longa L.) merupakan salah satu jenis tanaman obat yang termasuk dalam keluarga Zingiberaceae. Senyawa aktif yang terkandung dalam rimpang kunyit (Curcuma longa L.) mampu bekerja sebagai antibakteri. Penelitian ini bertujuan untuk mengetahui aktivitas antibakteri dari ekstrak etanol rimpang kunyit (Curcuma longa L.) terhadap Staphylococcus aureus dan Pseudomonas aeruginosa. Ekstraksi dilakukan dengan cara refluks menggunakan pelarut etanol 96%. Pengujian aktivitas antibakteri dilakukan menggunakan metode difusi paper disk dengan masing-masing konsentrasi ekstrak 10%, 20%, 30%, 40% b/v. Kontrol positif yang digunakan adalah Ciprofloxacin sedangkan kontrol negatif yang digunakan adalah DMSO. Hasil skrining fitokimia ekstrak etanol rimpang kunyit mengandung alkaloid, flavonoid, fenol, tanin dan terpenoid. Berdasarkan hasil penelitian, ekstrak etanol rimpang kunyit dapat menghambat bakteri Staphylococcus aureus dan Pseudomonas aeruginosa pada konsentrasi 10%, 20%, 30%, 40% dan konsentrasi 40% merupakan konsentrasi yang memberikan diameter zona hambat terbesar terhadap kedua bakteri uji yaitu 8,63 mm dan 7,8 mm. Kata Kunci : aktivitas antibakteri, Curcuma longa L., Staphylococcus aureus,    ABSTRACT Turmeric (Curcuma longa L.) is one type of medicinal plant that belongs to the Zingiberaceae family. The active compounds contained in the Curcuma longa L. rhizome can work as antibacterial. This study aims to determine the antibacterial activity of the ethanol extract of Curcuma longa L. Antibacterial activity testing was carried out using the paper disk diffusion method with each extract concentration of 10%, 20%, 30%, 40%. The positive control used was Ciprofloxacin while the negative control used was DMSO. The results of phytochemical screening of the ethanol extract of Curcuma longa L. rhizome contain alkaloids, flavonoids, phenols, tannins and terpenoids. Based on the results of the study, the ethanol extract of turmeric rhizome can inhibit Staphylococcus aureus and Pseudomonas aeruginosa bacteria at concentrations of 10%, 20%, 30%, 40% and 40% concentrations which give the largest inhibition zone diameter of the two test bacteria which is 8.63 mm and 7.8 mm. Keywords: antibacterial activity, Curcuma longa L., Staphylococcus aureus,  

scholarly journals SKRINING FITOKIMIA DAN UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL DAUN RACUN AYAM (Brucea javanica [L.] Merr.) ASAL KALIMANTAN SELATAN

2021 ◽  
Vol 6 (1) ◽  
pp. 59-68
Author(s):  
Sutomo Sutomo ◽  
◽  
Arnida Arnida ◽  
Fahriah Fahriah
Keyword(s):  
Antibacterial Activity ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Negative Control ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Inhibition Zone Diameter ◽  
E Coli ◽  
Zone Diameter ◽  
Brucea Javanica

Racun ayam is one of the plants which has several activities in its fruits, one of which is an antibacterial. This study aims to determine the antibacterial activity of ethanol extract of racun ayam leaves. The extraction was done by maceration method using ethanol as a solvent. Antibacterial activity assay was carried out on S. aureus, E. coli, and P. aeruginosa bacteria by disk diffusion method at the concentrations of 80, 100, and 120 ppm. The results showed that the ethanol extract of B. javanica leaves had the greatest inhibition zone on E. coli with inhibition zone diameter values ​​at 80, 100, and 120 ppm were 11.7 mm, 14.5 mm and 19.67 mm respectively. Inhibition zones in S. aureus could only be seen at 100 and 120 ppm which had inhibition zone diameters at 1.17 mm and 2.17 mm respectively, whereas in P. aeruginosa they did not have any inhibitory zone values. The results of statistical analysis showed a significance of the inhibition zone diameter values ​​of E. coli bacteria starting at 80 ppm with a sig value of 0.034. Due to a sig value was <0.05, it was categorized as significantly different from the negative control. The bacteria of S. aureus which had ​​<0.05 for sig values only found on 100 ppm and 120 ppm. Bacteria P. aeruginosa which had sig value >0.05 was not significantly different at all concentrations

scholarly journals DAYA HAMBAT EKSTRAK ETANOL Schismatoglottis sp. TERHADAP BAKTERI Staphylococcus aureus dan Escherichia coli

2015 ◽  
Vol 17 (1) ◽  
pp. 149
Author(s):  
Fahri Bian ◽  
Febby E.F. Kandou ◽  
Marhaenus J. Rumondor
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Inhibition Zone Diameter ◽  
E Coli ◽  
Zone Diameter ◽  
Paper Disk

DAYA HAMBAT EKSTRAK ETANOL Schismatoglottis sp. TERHADAP BAKTERI Staphylococcus aureus dan Escherichia coliABSTRAK Penelitian ini bertujuan untuk mengetahui daya hambat ekstrak etanol daun Schismatoglottis sp. terhadap bakteri Staphylococcus aureus dan Escherichia coli. Daya hambat ekstrak etanol Schismatoglottis sp. terhadap bakteri menggunakan metode Kirby-Bauer, yaitu metode difusi dengan cakram kertas. Ekstrak etanol Schismatoglottis sp. menghambat pertumbuhan S. aureus pada konsentrasi 60% dan 90% dengan diameter zona hambat 16,10 mm dan 31,33 mm serta  terhadap E. coli pada konsentrasi 30%, 60%, dan 90% dengan diameter zona hambat berturut-turut 11,72 mm, 16,38 mm, dan  29,27 mm. Berdasarkan hasil penelitian, dapat disimpulkan bahwa ekstrak etanol Schismatoglottis sp. terhadap S. aureus pada konsentrasi 60% dan 90% masing-masing memiliki kekautan antibakteri termasuk kategori kuat dan sangat kuat, sedangkan terhadap E. coli pada konsentrasi 30% dan 60%, memiliki kekuatan antibakteri kategoti kuat sedangkan pada konsentrasi 90% memiliki kekuatan antibakteri kategori sangat kuat. Kata kunci : Schismatoglottis sp, Antibakteri, Staphylococcus aureus, Escherichia coli THE INHIBITION OF ETHANOL EXTRACT OF Schismatoglottis sp. AGAINST BACTERIA Staphylococcus aureus AND Escherichia coli. ABSTRACT This study aimed to determine the inhibition of ethanol extract of leaves Schismatoglottis sp. against S. aureus and E. coli. Inhibition of the ethanol extract of Schismatoglottis sp. against to bacterial using the Kirby-Bauer method, is the paper disk diffusion method. Schismatoglottis sp. ethanol extract inhibit the growth of S. aureus at a concentration of 60% and 90% inhibition zone with a diameter of 16.10 mm and 31.33 mm and against E. coli at a concentration of 30%, 60%, and 90% with inhibition zone diameter respectively 11, 72 mm, 16.38 mm and 29.27 mm. Based on the results, it can be concluded that the ethanol extract Schismatoglottis sp. against S. aureus at concentrations of 60% and 90% respectively have antibacterial kekautan categorized as strong and very strong, while against E. coli at a concentration of 30% and 60%, have a strong kategoti antibacterial strength while at a concentration of 90% has antibacterial strength very strong category. Keywords: Schismatoglottis sp, antibacterials, Staphylococcus aureus, Escherichia coli.

scholarly journals ANTIBACTERIAL ACTIVITY TEST OF EXTRACT ETHANOL OF JACKFRUIT LEAVES (Artocarpus heterophyllus. Lamk.) OF BACTERIA Staphylococcus aureus, Escherichia coli, Staphylococcus epidermidis and Salmonella typhi

2020 ◽  
Vol 2 (2) ◽  
pp. 49-54
Author(s):  
Kasta Gurning ◽  
Dameria Siahaan ◽  
Iksen Iksen
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Staphylococcus Epidermidis ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Salmonella Typhi ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Artocarpus Heterophyllus

Jackfruit leaves (Artocarpus heterophyllus Lamk.) have health benefits as an antimicrobial. The leaves contain flavonoids, tannins, saponins which act as antimicrobials. The purpose of this study was to study the potential antibacterial activity of ethanol extract of jackfruit leaves (Artocarpus heterophyllus Lamk.) On the bacteria Staphylococcus aureus, Escherichia coli, Staphylococcus epidermidis, and Salmonella typhi. This research conducted with an experimental method that included the collection and processing of samples, the examination of the simplicia characterization and phytochemical screening. The concentration of jackfruit leaf ethanol extract. Used was at a concentration of 500 mg mL, 400 mg/mL, 300 mg/mL, 200 mg/mL, 100 mg/mL, 100 mg/mL, 50 mg/mL , 25 mg/mL, 10 mg/mL 30 mg/ml chloramphenicol and blanks. Using the disk diffusion method to measure the clear zone against the bacteria Staphylococcus aureus, Escherichia coli, Staphylococcus epidermidis, and Salmonella typhi. Antimicrobial inhibition of ethanol extract of jackfruit leaves against Staphylococcus aureus bacteria at a concentration of 500 mg/mL has a strong antibacterial inhibition with a diameter of 10.8 mm. The bacteria Escherichia coli, Staphylococcus epidermidis, and Salmonella typhi at a concentration of 500 mg/mL have inhibitory power, 9.2 mm, 9.6 mm, and 8.8 mm in the medium category. Positive control chloramphenicol has powerful antibacterial inhibition with an inhibition zone diameter of 28.6 mm.

scholarly journals Uji Aktivitas Antibakteri Ekstrak Metanol dan Fraksi Daun Kenikir (Cosmos caudatus Kunth) terhadap Salmonella typhi

2020 ◽  
Vol 8 (3) ◽  
pp. 177
Author(s):  
Achmad Syarifudin Noor ◽  
Bawon Triatmoko ◽  
Nuri Nuri
Keyword(s):  
Antibacterial Activity ◽  
Typhoid Fever ◽  
Ethyl Acetate ◽  
Methanol Extract ◽  
Inhibition Zone ◽  
Salmonella Typhi ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Water Fraction ◽  
Zone Diameter

The leaves of kenikir are known to have many benefits, one of which can be used as medicine. Kenikir leaves are reported to have antibacterial activity against the bacteria Salmonella typhi (S.typhi). S. typhi is a bacterium that causes typhoid fever. Typhoid fever is still an endemic disease in Asian countries, especially Indonesia. Typhoid fever became the third largest disease in Indonesia in 2010. The study related to the antibacterial activity of kenikir leaf fraction to S. typhi has never been reported. Therefore, it is necessary to conduct research related to the antibacterial activity of extracts and leaf fractions of kenikir to compare their potential against S. typhi. The study was conducted using the disk diffusion method using 5 series of concentrations namely 5%, 10%, 15%, 20%, and 30%. Tests were carried out on methanol extract, hexane, ethyl acetate, and methanol-water fraction. The results showed that highest inhibition zone diameter is 7,75 mm which is reached by methanol extract. The order of the highest inhibiting zone diameter are extract, hexane, ethyl acetate, and methanol-water fraction.

scholarly journals UJI AKTIVITAS ANTIBAKTERI EKSTRAK DAUN TEMBELEKAN (Lantana camara Linn) TERHADAP PERTUMBUHAN Staphylococcus aureus dan Escherichia coli

Biocelebes ◽  
2022 ◽  
Vol 15 (2) ◽  
pp. 90-97
Author(s):  
Gaby Maulida Nurdin
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Ethanol Extract ◽  
Lantana Camara ◽  
Diffusion Method ◽  
E Coli ◽  
Activity Test ◽  
Growth Inhibitory ◽  
One Way Anova

This study aimed to determine the effect of concentration ethanol extract from tembelakan leaf (Lantana camara Linn)  on bacteria growth of Staphylococcus aureus and Escherichia coli. Extraction was done by maceration using ethanol 96% and then separated using rotary evaporator. Antibacterial activity test of the ethanol extract by Well agar diffusion method. Variation in crude extract saponin used in this study was 5%, 10%, 15%, 20%, 25% and positive controls were used for comparison with Amoxicilin and Chloramphenicole concentration of 25 µg/mL and DMSO as a negative control. The results of antibacterial activity test is indicated by the formation of growth inhibitory region S. aureus and E. coli. The result of growth inhibitory regions was analyzed by One way ANOVA. One way ANOVA test results indicate that there are effects of ethanol extract concentration of tembelekan leaf (L. camara Linn) against S. aureus and E. coli. Effective concentration of ethanol extract tembelekan leaf (L. camara Linn) when compared with positive control to inhibit the growth of S. aureus and E. coli is at 25% with a relatively strong antibacterial activity. Test with phytochemicals screening method which is showed that tembelekan leaf contains the flavanoid, saponins, and tannins compounds as antibacterial

scholarly journals Skrining Aktivitas Antibakteri Ekstrak Etanol Daun Terhadap Salmonella Typhi Resisten Kloramfenikol

2017 ◽  
Vol 2 (02) ◽  
pp. 66
Author(s):  
Ika Trisharyanti
Keyword(s):  
Antibacterial Activity ◽  
Inhibitory Concentration ◽  
Minimum Bactericidal Concentration ◽  
Ethanol Extract ◽  
Salmonella Typhi ◽  
Diffusion Method ◽  
Dilution Method ◽  
Tea Leaves ◽  
Disk Diffusion Method ◽  
Phaleria Macrocarpa

<em><span lang="EN-US">Typhoid fever is an infectious disease caused by Salmonella typhi, antibiotic chloramphenicol can be use to treatment, but S. typhi resistant with antibiotic choramphenicol so need to alternative treatment. The purpose of this study was to determine the antibacterial activity of ethanol extract of ten leaves against Salmonella typhi, and knowing the compounds contained in extracts of leaves that have the best antibacterial activity. The leaves was extracted with  ethanol 96% by maceration method. Screening antibacterial activity used disk diffusion method with 10% extract concentration. The best antibacterial activity was determined Minimum Inhibitory Concentration and Minimum Bactericidal Concentration used liquid dilution method, identification test of compounds with thin-layer chromatograpy (TLC), and bioautografi test. There were six extracts had antibacterial activity against S. Typhi, Phaleria macrocarpa leaves, Acalypha siamensis leaves, cherry leaves, clove leaves, tea leaves, and Eugenia polyantha leaves. Minimum Bactericidal Concentration from clove leaf extract was 2,5%. The results of identification by TLC compounds were alkaloids, phenolics, flavonoids, terpenoids, triterpenoids, and saponins. Based on bioautografi test,  phenolic can inhibit the growth of Salmonella typhi.</span></em>

scholarly journals Antibacterial Activity of Polygonum pulchrum Blume Ethanol Extract on Staphylococcus aureus and Escherichia coli

2018 ◽  
Vol 3 (2) ◽  
pp. 26
Author(s):  
Asman Sadino ◽  
Idin Sahidin ◽  
Wahyuni Wahyuni
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Health Concern ◽  
Diffusion Method ◽  
Resistant Bacteria ◽  
E Coli ◽  
Weak Antibacterial Activity

The emergence of resistant bacteria strain has become a global health concern. It encourages the exploration of potential antibacterial agents, particularly from natural sources. The aim of this study was to investigate the antibacterial activity of ethanol extract of root, stems, leaves, and flowers of Polygonum pulchrum Blume against Staphylococcus aureus and Escherichia coli, through disc diffusion method using cup-plate method. Inhibition zone against S. aureus from roots, stems, leaves, and flowers ethanol extract were 3.5 mm, 2.5 mm, 2.25 mm, and 2.62 mm, respectively, while the inhibition zone against E. coli were 2.25 mm, 2.12 mm, 1.62 mm, and 1.75 mm, respectively. In conclusion, ethanol extract of root, stem, leaves, and flower of P. pulchrum Bl possessed weak antibacterial activity against S. aureus and E. coli.Keywords: P. pulchrum Bl, antibacterial, E. coli, S. aureus, cup-plate technique

scholarly journals AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL DAUN DAN KULIT BATANG BERENUK TERHADAP Bacillus cereus

2018 ◽  
Vol 15 (2) ◽  
pp. 31
Author(s):  
Devi Nisa Hidayati ◽  
Cicih Sumiarsih ◽  
Umroh Mahmudah ◽  
Anita Dwi Puspitasari
Keyword(s):  
Antibacterial Activity ◽  
Bacillus Cereus ◽  
Ethanol Extract ◽  
Disk Diffusion ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Activity Test ◽  
Activity Measurements ◽  
Crescentia Cujete

ABSTRACTThe plants (Crecentia cujete Linn) Are known to have antibacterial activity and can be used as a diarrhea drug due to microorganisms. Bacillus cereus is one of the bacteria that causes diarrhea.This aims to the study was antibacterial activity of ethanol extract of leaves (EL) and bark broodstock (EB) on Bacillus cereus. EL and EB were extracted with ethanol 96% using maceration method. Antibacterial activity test was carried out with disk diffusion method in EL with a concentration of 30%, 60%, 90%, 120% and 150%, and in EB using concentrations of 60%, 70%, 80%, 90% and 100% then antibacterial activity measurements were taken. by looking at the Diameter of the Inhibitory Area (DDH). The results of the EL and EB of antibacterial activity proved that EL and EB berenuk have antibacterial activity against Bacillus cereus.Keywords: Antibacterial, Crescentia cujete Linn, Bacillus cereus.

scholarly journals Aktivitas Antibakteri Ekstrak Etanol Daun Gamal (Gliricidia sepium) pada Berbagai Konsentrasi terhadap Pertumbuhan Bakteri Streptococcus mutans secara In-Vitro

2018 ◽  
Vol 9 (3) ◽  
pp. 336
Author(s):  
Ni Luh Budi Artaningsih ◽  
Nur Habibah ◽  
Mastra Nyoman
Keyword(s):  
Antibacterial Activity ◽  
Streptococcus Mutans ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Gliricidia Sepium ◽  
Disk Diffusion ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Growth Inhibition Zone

<p><em>Streptococcus mutans</em> is a positive gram bacteria which cause dental caries. From the several previous studies, Gamal leaf has been predicted as the antibacterial agent because of their active substance such as tannins, alkaloids, saponins, and flavonoids. The objective of the study was to know the antibacterial activity of ethanol extract of Gamal leaf (<em>Gliricidia sepium</em>) for <em>Streptococcus mutans</em> in various concentrations. This study was a true experimental with post-test only control design. The determination of antibacterial activity in this study was conducted by using Kirby Bauer disk diffusion method with the various concentrations, there were 40, 50, 60, 70 and 80%. The positive and negative controls in this study were 30 µg disk diffusion of chloramphenicol and the 96% of ethanol. The average inhibition of zone diameter in the concentrations of 40, 50, 60, 70 and 80% were 11.3, 12.3, 13.4, 15.3 and 19.2 mm, respectively. One Way ANOVA statistical analysis showed that the value of p was 0.000, so there was a difference of growth inhibition zone of <em>Streptococcus mutans</em> in various concentrations of ethanol extract of Gamal leaf (<em>Gliricidia sepium</em>). Based on the result, it can be concluded that the ethanol extract of Gamal leaf (<em>Gliricidia sepium</em>) have strong antibacterial activity, especially to <em>Streptococcus mutans</em> bacteria.</p>

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